./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-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 5de8a6e48c671522e021c00f8053da339f3153b1fcc0b54263671efa3814086b --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:54:23,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:54:23,783 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:54:23,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:54:23,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:54:23,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:54:23,820 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:54:23,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:54:23,821 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:54:23,822 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:54:23,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:54:23,822 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:54:23,823 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:54:23,823 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:54:23,823 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:54:23,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:54:23,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:54:23,825 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:54:23,825 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:54:23,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:54:23,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:54:23,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:54:23,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:54:23,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:54:23,827 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:54:23,827 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:54:23,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:54:23,827 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:54:23,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:54:23,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:54:23,828 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:54:23,828 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:54:23,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:54:23,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:54:23,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:54:23,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:54:23,829 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:54:23,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:54:23,829 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:54:23,829 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:54:23,829 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:54:23,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:54:23,830 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5de8a6e48c671522e021c00f8053da339f3153b1fcc0b54263671efa3814086b [2024-11-08 15:54:24,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:54:24,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:54:24,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:54:24,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:54:24,097 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:54:24,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2024-11-08 15:54:25,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:54:25,646 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:54:25,647 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2024-11-08 15:54:25,690 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d58eee36/3ca5c37374fb41c69356566695b73c4c/FLAG02449c559 [2024-11-08 15:54:25,703 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d58eee36/3ca5c37374fb41c69356566695b73c4c [2024-11-08 15:54:25,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:54:25,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:54:25,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:54:25,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:54:25,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:54:25,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:54:25" (1/1) ... [2024-11-08 15:54:25,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c1c50f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:25, skipping insertion in model container [2024-11-08 15:54:25,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:54:25" (1/1) ... [2024-11-08 15:54:25,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:54:26,051 WARN L250 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.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[8424,8437] [2024-11-08 15:54:26,069 WARN L250 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.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[12951,12964] [2024-11-08 15:54:26,096 WARN L250 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.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[20701,20714] [2024-11-08 15:54:26,119 WARN L250 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.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[27792,27805] [2024-11-08 15:54:26,187 WARN L250 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.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[49016,49029] [2024-11-08 15:54:26,265 WARN L250 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.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[80107,80120] [2024-11-08 15:54:26,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:54:26,386 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:54:26,416 WARN L250 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.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[8424,8437] [2024-11-08 15:54:26,442 WARN L250 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.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[12951,12964] [2024-11-08 15:54:26,455 WARN L250 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.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[20701,20714] [2024-11-08 15:54:26,468 WARN L250 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.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[27792,27805] [2024-11-08 15:54:26,492 WARN L250 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.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[49016,49029] [2024-11-08 15:54:26,520 WARN L250 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.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[80107,80120] [2024-11-08 15:54:26,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:54:26,600 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:54:26,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:26 WrapperNode [2024-11-08 15:54:26,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:54:26,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:54:26,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:54:26,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:54:26,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:26" (1/1) ... [2024-11-08 15:54:26,638 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:26" (1/1) ... [2024-11-08 15:54:26,735 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6424 [2024-11-08 15:54:26,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:54:26,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:54:26,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:54:26,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:54:26,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:26" (1/1) ... [2024-11-08 15:54:26,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:26" (1/1) ... [2024-11-08 15:54:26,766 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:26" (1/1) ... [2024-11-08 15:54:26,815 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]. [2024-11-08 15:54:26,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:26" (1/1) ... [2024-11-08 15:54:26,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:26" (1/1) ... [2024-11-08 15:54:26,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:26" (1/1) ... [2024-11-08 15:54:26,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:26" (1/1) ... [2024-11-08 15:54:26,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:26" (1/1) ... [2024-11-08 15:54:26,933 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:26" (1/1) ... [2024-11-08 15:54:26,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:54:26,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:54:26,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:54:26,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:54:26,955 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:26" (1/1) ... [2024-11-08 15:54:26,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:54:26,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:54:26,985 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) [2024-11-08 15:54:26,987 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 [2024-11-08 15:54:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:54:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:54:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:54:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:54:27,384 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:54:27,386 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:54:29,795 INFO L? ?]: Removed 1251 outVars from TransFormulas that were not future-live. [2024-11-08 15:54:29,795 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:54:29,835 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:54:29,835 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 15:54:29,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:54:29 BoogieIcfgContainer [2024-11-08 15:54:29,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:54:29,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:54:29,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:54:29,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:54:29,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:54:25" (1/3) ... [2024-11-08 15:54:29,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797539c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:54:29, skipping insertion in model container [2024-11-08 15:54:29,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:26" (2/3) ... [2024-11-08 15:54:29,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797539c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:54:29, skipping insertion in model container [2024-11-08 15:54:29,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:54:29" (3/3) ... [2024-11-08 15:54:29,845 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2024-11-08 15:54:29,857 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:54:29,858 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-08 15:54:29,943 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:54:29,948 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;@7b6f1d9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:54:29,948 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-08 15:54:29,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 1290 states, 1283 states have (on average 1.7716289945440373) internal successors, (2273), 1289 states have internal predecessors, (2273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:29,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 15:54:29,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:29,980 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] [2024-11-08 15:54:29,981 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:29,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:29,988 INFO L85 PathProgramCache]: Analyzing trace with hash 692081489, now seen corresponding path program 1 times [2024-11-08 15:54:30,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:30,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816126814] [2024-11-08 15:54:30,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:30,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:30,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:30,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:30,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816126814] [2024-11-08 15:54:30,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816126814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:30,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:30,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:54:30,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081394713] [2024-11-08 15:54:30,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:30,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:54:30,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:30,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:54:30,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:54:30,455 INFO L87 Difference]: Start difference. First operand has 1290 states, 1283 states have (on average 1.7716289945440373) internal successors, (2273), 1289 states have internal predecessors, (2273), 0 states have call successors, (0), 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 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:31,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:31,728 INFO L93 Difference]: Finished difference Result 2514 states and 4326 transitions. [2024-11-08 15:54:31,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:54:31,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2024-11-08 15:54:31,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:31,759 INFO L225 Difference]: With dead ends: 2514 [2024-11-08 15:54:31,759 INFO L226 Difference]: Without dead ends: 1590 [2024-11-08 15:54:31,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:54:31,769 INFO L432 NwaCegarLoop]: 1054 mSDtfsCounter, 7092 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7092 SdHoareTripleChecker+Valid, 1556 SdHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:31,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7092 Valid, 1556 Invalid, 1274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 15:54:31,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2024-11-08 15:54:31,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1584. [2024-11-08 15:54:31,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1584 states, 1578 states have (on average 1.309252217997465) internal successors, (2066), 1583 states have internal predecessors, (2066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:31,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2066 transitions. [2024-11-08 15:54:31,916 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2066 transitions. Word has length 52 [2024-11-08 15:54:31,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:31,916 INFO L471 AbstractCegarLoop]: Abstraction has 1584 states and 2066 transitions. [2024-11-08 15:54:31,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:31,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2066 transitions. [2024-11-08 15:54:31,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 15:54:31,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:31,923 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] [2024-11-08 15:54:31,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 15:54:31,924 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:31,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:31,924 INFO L85 PathProgramCache]: Analyzing trace with hash -736362272, now seen corresponding path program 1 times [2024-11-08 15:54:31,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:31,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524411978] [2024-11-08 15:54:31,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:31,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:32,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:32,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:32,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524411978] [2024-11-08 15:54:32,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524411978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:32,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:32,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:54:32,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065696833] [2024-11-08 15:54:32,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:32,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:54:32,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:32,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:54:32,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:54:32,105 INFO L87 Difference]: Start difference. First operand 1584 states and 2066 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:32,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:32,891 INFO L93 Difference]: Finished difference Result 3198 states and 4201 transitions. [2024-11-08 15:54:32,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:54:32,894 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2024-11-08 15:54:32,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:32,901 INFO L225 Difference]: With dead ends: 3198 [2024-11-08 15:54:32,901 INFO L226 Difference]: Without dead ends: 2208 [2024-11-08 15:54:32,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:54:32,904 INFO L432 NwaCegarLoop]: 698 mSDtfsCounter, 4976 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4976 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:32,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4976 Valid, 1044 Invalid, 890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 15:54:32,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2024-11-08 15:54:32,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 2194. [2024-11-08 15:54:32,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2194 states, 2188 states have (on average 1.3194698354661791) internal successors, (2887), 2193 states have internal predecessors, (2887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:32,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 2194 states and 2887 transitions. [2024-11-08 15:54:32,935 INFO L78 Accepts]: Start accepts. Automaton has 2194 states and 2887 transitions. Word has length 53 [2024-11-08 15:54:32,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:32,936 INFO L471 AbstractCegarLoop]: Abstraction has 2194 states and 2887 transitions. [2024-11-08 15:54:32,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:32,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states and 2887 transitions. [2024-11-08 15:54:32,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-08 15:54:32,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:32,938 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] [2024-11-08 15:54:32,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 15:54:32,939 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:32,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:32,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1386389066, now seen corresponding path program 1 times [2024-11-08 15:54:32,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:32,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400314016] [2024-11-08 15:54:32,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:32,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:33,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:33,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:33,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400314016] [2024-11-08 15:54:33,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400314016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:33,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:33,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:54:33,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114631268] [2024-11-08 15:54:33,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:33,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:54:33,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:33,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:54:33,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:54:33,050 INFO L87 Difference]: Start difference. First operand 2194 states and 2887 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:33,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:33,714 INFO L93 Difference]: Finished difference Result 4499 states and 5989 transitions. [2024-11-08 15:54:33,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:54:33,715 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2024-11-08 15:54:33,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:33,722 INFO L225 Difference]: With dead ends: 4499 [2024-11-08 15:54:33,722 INFO L226 Difference]: Without dead ends: 3072 [2024-11-08 15:54:33,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:54:33,725 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 4462 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4462 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:33,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4462 Valid, 932 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 15:54:33,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3072 states. [2024-11-08 15:54:33,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3072 to 3062. [2024-11-08 15:54:33,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3056 states have (on average 1.3236256544502618) internal successors, (4045), 3061 states have internal predecessors, (4045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:33,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 4045 transitions. [2024-11-08 15:54:33,773 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 4045 transitions. Word has length 53 [2024-11-08 15:54:33,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:33,774 INFO L471 AbstractCegarLoop]: Abstraction has 3062 states and 4045 transitions. [2024-11-08 15:54:33,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:33,774 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 4045 transitions. [2024-11-08 15:54:33,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 15:54:33,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:33,777 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] [2024-11-08 15:54:33,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 15:54:33,777 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:33,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:33,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1763239895, now seen corresponding path program 1 times [2024-11-08 15:54:33,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:33,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067879375] [2024-11-08 15:54:33,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:33,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:34,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:34,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067879375] [2024-11-08 15:54:34,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067879375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:34,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:34,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:54:34,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375898690] [2024-11-08 15:54:34,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:34,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 15:54:34,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:34,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 15:54:34,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 15:54:34,115 INFO L87 Difference]: Start difference. First operand 3062 states and 4045 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:35,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:35,161 INFO L93 Difference]: Finished difference Result 4439 states and 5985 transitions. [2024-11-08 15:54:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:54:35,163 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2024-11-08 15:54:35,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:35,174 INFO L225 Difference]: With dead ends: 4439 [2024-11-08 15:54:35,175 INFO L226 Difference]: Without dead ends: 3735 [2024-11-08 15:54:35,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-08 15:54:35,179 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 6207 mSDsluCounter, 1579 mSDsCounter, 0 mSdLazyCounter, 1851 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6207 SdHoareTripleChecker+Valid, 2210 SdHoareTripleChecker+Invalid, 1861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:35,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6207 Valid, 2210 Invalid, 1861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1851 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 15:54:35,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3735 states. [2024-11-08 15:54:35,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3735 to 3062. [2024-11-08 15:54:35,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3056 states have (on average 1.3232984293193717) internal successors, (4044), 3061 states have internal predecessors, (4044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:35,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 4044 transitions. [2024-11-08 15:54:35,259 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 4044 transitions. Word has length 55 [2024-11-08 15:54:35,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:35,259 INFO L471 AbstractCegarLoop]: Abstraction has 3062 states and 4044 transitions. [2024-11-08 15:54:35,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:35,260 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 4044 transitions. [2024-11-08 15:54:35,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 15:54:35,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:35,263 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] [2024-11-08 15:54:35,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 15:54:35,264 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:35,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:35,265 INFO L85 PathProgramCache]: Analyzing trace with hash 622296368, now seen corresponding path program 1 times [2024-11-08 15:54:35,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:35,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568788459] [2024-11-08 15:54:35,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:35,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:35,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:35,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:35,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568788459] [2024-11-08 15:54:35,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568788459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:35,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:35,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 15:54:35,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167634154] [2024-11-08 15:54:35,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:35,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:54:35,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:35,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:54:35,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:54:35,595 INFO L87 Difference]: Start difference. First operand 3062 states and 4044 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:37,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:37,244 INFO L93 Difference]: Finished difference Result 5435 states and 7347 transitions. [2024-11-08 15:54:37,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:54:37,245 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2024-11-08 15:54:37,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:37,257 INFO L225 Difference]: With dead ends: 5435 [2024-11-08 15:54:37,257 INFO L226 Difference]: Without dead ends: 4865 [2024-11-08 15:54:37,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-08 15:54:37,261 INFO L432 NwaCegarLoop]: 714 mSDtfsCounter, 5544 mSDsluCounter, 3124 mSDsCounter, 0 mSdLazyCounter, 3863 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5544 SdHoareTripleChecker+Valid, 3838 SdHoareTripleChecker+Invalid, 3917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 3863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:37,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5544 Valid, 3838 Invalid, 3917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 3863 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 15:54:37,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4865 states. [2024-11-08 15:54:37,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4865 to 3062. [2024-11-08 15:54:37,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3056 states have (on average 1.3229712041884816) internal successors, (4043), 3061 states have internal predecessors, (4043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:37,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 4043 transitions. [2024-11-08 15:54:37,321 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 4043 transitions. Word has length 55 [2024-11-08 15:54:37,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:37,322 INFO L471 AbstractCegarLoop]: Abstraction has 3062 states and 4043 transitions. [2024-11-08 15:54:37,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:37,323 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 4043 transitions. [2024-11-08 15:54:37,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 15:54:37,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:37,325 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] [2024-11-08 15:54:37,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 15:54:37,326 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:37,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:37,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1268497001, now seen corresponding path program 1 times [2024-11-08 15:54:37,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:37,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396798017] [2024-11-08 15:54:37,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:37,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:37,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:37,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:37,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396798017] [2024-11-08 15:54:37,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396798017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:37,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:37,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 15:54:37,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411121520] [2024-11-08 15:54:37,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:37,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:54:37,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:37,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:54:37,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:54:37,582 INFO L87 Difference]: Start difference. First operand 3062 states and 4043 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:38,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:38,711 INFO L93 Difference]: Finished difference Result 4387 states and 5878 transitions. [2024-11-08 15:54:38,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:54:38,711 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2024-11-08 15:54:38,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:38,725 INFO L225 Difference]: With dead ends: 4387 [2024-11-08 15:54:38,725 INFO L226 Difference]: Without dead ends: 4381 [2024-11-08 15:54:38,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-08 15:54:38,728 INFO L432 NwaCegarLoop]: 656 mSDtfsCounter, 5271 mSDsluCounter, 2316 mSDsCounter, 0 mSdLazyCounter, 2570 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5271 SdHoareTripleChecker+Valid, 2972 SdHoareTripleChecker+Invalid, 2607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:38,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5271 Valid, 2972 Invalid, 2607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2570 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:54:38,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4381 states. [2024-11-08 15:54:38,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4381 to 3062. [2024-11-08 15:54:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3056 states have (on average 1.3226439790575917) internal successors, (4042), 3061 states have internal predecessors, (4042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:38,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 4042 transitions. [2024-11-08 15:54:38,785 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 4042 transitions. Word has length 55 [2024-11-08 15:54:38,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:38,786 INFO L471 AbstractCegarLoop]: Abstraction has 3062 states and 4042 transitions. [2024-11-08 15:54:38,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 8 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:38,786 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 4042 transitions. [2024-11-08 15:54:38,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 15:54:38,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:38,788 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] [2024-11-08 15:54:38,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 15:54:38,789 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:38,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:38,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1662572980, now seen corresponding path program 1 times [2024-11-08 15:54:38,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:38,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706958471] [2024-11-08 15:54:38,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:38,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:38,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:38,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:38,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706958471] [2024-11-08 15:54:38,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706958471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:38,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:38,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:54:38,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408862745] [2024-11-08 15:54:38,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:38,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:54:38,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:38,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:54:38,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:54:38,855 INFO L87 Difference]: Start difference. First operand 3062 states and 4042 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:38,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:38,902 INFO L93 Difference]: Finished difference Result 4018 states and 5491 transitions. [2024-11-08 15:54:38,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:54:38,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-08 15:54:38,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:38,910 INFO L225 Difference]: With dead ends: 4018 [2024-11-08 15:54:38,910 INFO L226 Difference]: Without dead ends: 3081 [2024-11-08 15:54:38,912 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 [2024-11-08 15:54:38,912 INFO L432 NwaCegarLoop]: 1186 mSDtfsCounter, 579 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1790 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:38,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1790 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:54:38,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3081 states. [2024-11-08 15:54:38,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3081 to 3079. [2024-11-08 15:54:38,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3079 states, 3073 states have (on average 1.33875691506671) internal successors, (4114), 3078 states have internal predecessors, (4114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:38,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 4114 transitions. [2024-11-08 15:54:38,949 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 4114 transitions. Word has length 56 [2024-11-08 15:54:38,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:38,949 INFO L471 AbstractCegarLoop]: Abstraction has 3079 states and 4114 transitions. [2024-11-08 15:54:38,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:38,949 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 4114 transitions. [2024-11-08 15:54:38,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 15:54:38,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:38,951 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] [2024-11-08 15:54:38,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 15:54:38,952 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:38,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:38,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1775531576, now seen corresponding path program 1 times [2024-11-08 15:54:38,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:38,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325185469] [2024-11-08 15:54:38,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:38,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:39,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:39,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:39,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325185469] [2024-11-08 15:54:39,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325185469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:39,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:39,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:54:39,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965705924] [2024-11-08 15:54:39,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:39,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:54:39,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:39,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:54:39,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:54:39,021 INFO L87 Difference]: Start difference. First operand 3079 states and 4114 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:39,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:39,073 INFO L93 Difference]: Finished difference Result 4753 states and 6649 transitions. [2024-11-08 15:54:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:54:39,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-08 15:54:39,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:39,087 INFO L225 Difference]: With dead ends: 4753 [2024-11-08 15:54:39,088 INFO L226 Difference]: Without dead ends: 3509 [2024-11-08 15:54:39,090 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 [2024-11-08 15:54:39,090 INFO L432 NwaCegarLoop]: 1145 mSDtfsCounter, 587 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 1728 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:39,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 1728 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:54:39,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3509 states. [2024-11-08 15:54:39,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3509 to 3507. [2024-11-08 15:54:39,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3507 states, 3501 states have (on average 1.3701799485861184) internal successors, (4797), 3506 states have internal predecessors, (4797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:39,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3507 states to 3507 states and 4797 transitions. [2024-11-08 15:54:39,131 INFO L78 Accepts]: Start accepts. Automaton has 3507 states and 4797 transitions. Word has length 56 [2024-11-08 15:54:39,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:39,132 INFO L471 AbstractCegarLoop]: Abstraction has 3507 states and 4797 transitions. [2024-11-08 15:54:39,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:39,132 INFO L276 IsEmpty]: Start isEmpty. Operand 3507 states and 4797 transitions. [2024-11-08 15:54:39,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 15:54:39,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:39,134 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] [2024-11-08 15:54:39,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 15:54:39,134 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:39,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:39,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1498951000, now seen corresponding path program 1 times [2024-11-08 15:54:39,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:39,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193018673] [2024-11-08 15:54:39,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:39,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:39,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:39,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:39,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193018673] [2024-11-08 15:54:39,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193018673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:39,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:39,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:54:39,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483816913] [2024-11-08 15:54:39,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:39,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:54:39,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:39,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:54:39,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:54:39,207 INFO L87 Difference]: Start difference. First operand 3507 states and 4797 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:39,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:39,299 INFO L93 Difference]: Finished difference Result 7489 states and 10501 transitions. [2024-11-08 15:54:39,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:54:39,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-08 15:54:39,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:39,307 INFO L225 Difference]: With dead ends: 7489 [2024-11-08 15:54:39,307 INFO L226 Difference]: Without dead ends: 5080 [2024-11-08 15:54:39,311 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 [2024-11-08 15:54:39,314 INFO L432 NwaCegarLoop]: 1215 mSDtfsCounter, 657 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 1963 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:39,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 1963 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:54:39,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5080 states. [2024-11-08 15:54:39,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5080 to 5074. [2024-11-08 15:54:39,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5074 states, 5068 states have (on average 1.3681925808997633) internal successors, (6934), 5073 states have internal predecessors, (6934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:39,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5074 states to 5074 states and 6934 transitions. [2024-11-08 15:54:39,380 INFO L78 Accepts]: Start accepts. Automaton has 5074 states and 6934 transitions. Word has length 56 [2024-11-08 15:54:39,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:39,381 INFO L471 AbstractCegarLoop]: Abstraction has 5074 states and 6934 transitions. [2024-11-08 15:54:39,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:39,381 INFO L276 IsEmpty]: Start isEmpty. Operand 5074 states and 6934 transitions. [2024-11-08 15:54:39,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 15:54:39,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:39,383 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] [2024-11-08 15:54:39,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 15:54:39,384 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:39,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:39,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1118792296, now seen corresponding path program 1 times [2024-11-08 15:54:39,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:39,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674901287] [2024-11-08 15:54:39,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:39,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:39,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:39,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:39,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674901287] [2024-11-08 15:54:39,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674901287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:39,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:39,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:54:39,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186245421] [2024-11-08 15:54:39,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:39,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:54:39,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:39,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:54:39,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:54:39,934 INFO L87 Difference]: Start difference. First operand 5074 states and 6934 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:41,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:41,314 INFO L93 Difference]: Finished difference Result 10633 states and 14817 transitions. [2024-11-08 15:54:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:54:41,315 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2024-11-08 15:54:41,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:41,329 INFO L225 Difference]: With dead ends: 10633 [2024-11-08 15:54:41,329 INFO L226 Difference]: Without dead ends: 10570 [2024-11-08 15:54:41,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-08 15:54:41,333 INFO L432 NwaCegarLoop]: 1019 mSDtfsCounter, 6138 mSDsluCounter, 5302 mSDsCounter, 0 mSdLazyCounter, 1805 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6138 SdHoareTripleChecker+Valid, 6321 SdHoareTripleChecker+Invalid, 1845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:41,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6138 Valid, 6321 Invalid, 1845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1805 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:54:41,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10570 states. [2024-11-08 15:54:41,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10570 to 5061. [2024-11-08 15:54:41,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5061 states, 5056 states have (on average 1.3684731012658229) internal successors, (6919), 5060 states have internal predecessors, (6919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:41,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5061 states to 5061 states and 6919 transitions. [2024-11-08 15:54:41,414 INFO L78 Accepts]: Start accepts. Automaton has 5061 states and 6919 transitions. Word has length 57 [2024-11-08 15:54:41,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:41,414 INFO L471 AbstractCegarLoop]: Abstraction has 5061 states and 6919 transitions. [2024-11-08 15:54:41,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 5061 states and 6919 transitions. [2024-11-08 15:54:41,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 15:54:41,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:41,417 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] [2024-11-08 15:54:41,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 15:54:41,417 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:41,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:41,418 INFO L85 PathProgramCache]: Analyzing trace with hash -677466950, now seen corresponding path program 1 times [2024-11-08 15:54:41,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:41,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668424512] [2024-11-08 15:54:41,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:41,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:41,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:41,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:41,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668424512] [2024-11-08 15:54:41,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668424512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:41,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:41,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:54:41,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450219756] [2024-11-08 15:54:41,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:41,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:54:41,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:41,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:54:41,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:54:41,465 INFO L87 Difference]: Start difference. First operand 5061 states and 6919 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:41,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:41,549 INFO L93 Difference]: Finished difference Result 9491 states and 13200 transitions. [2024-11-08 15:54:41,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:54:41,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2024-11-08 15:54:41,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:41,557 INFO L225 Difference]: With dead ends: 9491 [2024-11-08 15:54:41,557 INFO L226 Difference]: Without dead ends: 5440 [2024-11-08 15:54:41,562 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 [2024-11-08 15:54:41,563 INFO L432 NwaCegarLoop]: 826 mSDtfsCounter, 820 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:41,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 1221 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:54:41,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5440 states. [2024-11-08 15:54:41,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5440 to 4347. [2024-11-08 15:54:41,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4347 states, 4343 states have (on average 1.3845268247755007) internal successors, (6013), 4346 states have internal predecessors, (6013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:41,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 4347 states and 6013 transitions. [2024-11-08 15:54:41,614 INFO L78 Accepts]: Start accepts. Automaton has 4347 states and 6013 transitions. Word has length 57 [2024-11-08 15:54:41,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:41,614 INFO L471 AbstractCegarLoop]: Abstraction has 4347 states and 6013 transitions. [2024-11-08 15:54:41,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:41,614 INFO L276 IsEmpty]: Start isEmpty. Operand 4347 states and 6013 transitions. [2024-11-08 15:54:41,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 15:54:41,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:41,616 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] [2024-11-08 15:54:41,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 15:54:41,617 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:41,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:41,617 INFO L85 PathProgramCache]: Analyzing trace with hash -611117000, now seen corresponding path program 1 times [2024-11-08 15:54:41,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:41,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555392692] [2024-11-08 15:54:41,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:41,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:41,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:41,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:41,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555392692] [2024-11-08 15:54:41,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555392692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:41,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:41,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:54:41,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656679425] [2024-11-08 15:54:41,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:41,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:54:41,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:41,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:54:41,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:54:41,664 INFO L87 Difference]: Start difference. First operand 4347 states and 6013 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:41,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:41,749 INFO L93 Difference]: Finished difference Result 8377 states and 11806 transitions. [2024-11-08 15:54:41,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:54:41,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2024-11-08 15:54:41,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:41,757 INFO L225 Difference]: With dead ends: 8377 [2024-11-08 15:54:41,757 INFO L226 Difference]: Without dead ends: 4765 [2024-11-08 15:54:41,761 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 [2024-11-08 15:54:41,762 INFO L432 NwaCegarLoop]: 697 mSDtfsCounter, 638 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:41,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 1002 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:54:41,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4765 states. [2024-11-08 15:54:41,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4765 to 3818. [2024-11-08 15:54:41,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3818 states, 3815 states have (on average 1.397640891218873) internal successors, (5332), 3817 states have internal predecessors, (5332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:41,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3818 states to 3818 states and 5332 transitions. [2024-11-08 15:54:41,803 INFO L78 Accepts]: Start accepts. Automaton has 3818 states and 5332 transitions. Word has length 57 [2024-11-08 15:54:41,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:41,803 INFO L471 AbstractCegarLoop]: Abstraction has 3818 states and 5332 transitions. [2024-11-08 15:54:41,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:41,804 INFO L276 IsEmpty]: Start isEmpty. Operand 3818 states and 5332 transitions. [2024-11-08 15:54:41,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-08 15:54:41,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:41,805 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] [2024-11-08 15:54:41,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 15:54:41,805 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:41,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:41,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1274837938, now seen corresponding path program 1 times [2024-11-08 15:54:41,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:41,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721562437] [2024-11-08 15:54:41,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:41,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:41,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:41,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:41,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721562437] [2024-11-08 15:54:41,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721562437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:41,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:41,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:54:41,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655903469] [2024-11-08 15:54:41,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:41,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:54:41,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:41,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:54:41,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:54:41,855 INFO L87 Difference]: Start difference. First operand 3818 states and 5332 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:41,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:41,953 INFO L93 Difference]: Finished difference Result 7682 states and 10899 transitions. [2024-11-08 15:54:41,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:54:41,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2024-11-08 15:54:41,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:41,963 INFO L225 Difference]: With dead ends: 7682 [2024-11-08 15:54:41,963 INFO L226 Difference]: Without dead ends: 4206 [2024-11-08 15:54:41,966 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 [2024-11-08 15:54:41,968 INFO L432 NwaCegarLoop]: 643 mSDtfsCounter, 549 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:41,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 904 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:54:41,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4206 states. [2024-11-08 15:54:42,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4206 to 3371. [2024-11-08 15:54:42,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3371 states, 3368 states have (on average 1.4133016627078385) internal successors, (4760), 3370 states have internal predecessors, (4760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:42,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 3371 states and 4760 transitions. [2024-11-08 15:54:42,007 INFO L78 Accepts]: Start accepts. Automaton has 3371 states and 4760 transitions. Word has length 57 [2024-11-08 15:54:42,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:42,008 INFO L471 AbstractCegarLoop]: Abstraction has 3371 states and 4760 transitions. [2024-11-08 15:54:42,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:42,008 INFO L276 IsEmpty]: Start isEmpty. Operand 3371 states and 4760 transitions. [2024-11-08 15:54:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-08 15:54:42,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:42,009 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] [2024-11-08 15:54:42,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 15:54:42,009 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:42,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:42,010 INFO L85 PathProgramCache]: Analyzing trace with hash -410378211, now seen corresponding path program 1 times [2024-11-08 15:54:42,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:42,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395120727] [2024-11-08 15:54:42,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:42,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:42,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:42,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:42,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395120727] [2024-11-08 15:54:42,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395120727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:42,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:42,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:54:42,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478729123] [2024-11-08 15:54:42,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:42,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:54:42,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:42,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:54:42,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:54:42,493 INFO L87 Difference]: Start difference. First operand 3371 states and 4760 transitions. Second operand has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:43,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:43,096 INFO L93 Difference]: Finished difference Result 5559 states and 7906 transitions. [2024-11-08 15:54:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:54:43,105 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2024-11-08 15:54:43,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:43,112 INFO L225 Difference]: With dead ends: 5559 [2024-11-08 15:54:43,112 INFO L226 Difference]: Without dead ends: 5555 [2024-11-08 15:54:43,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-08 15:54:43,115 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 2935 mSDsluCounter, 2396 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2935 SdHoareTripleChecker+Valid, 2954 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:43,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2935 Valid, 2954 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 15:54:43,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5555 states. [2024-11-08 15:54:43,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5555 to 3367. [2024-11-08 15:54:43,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3367 states, 3365 states have (on average 1.4133729569093612) internal successors, (4756), 3366 states have internal predecessors, (4756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:43,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3367 states to 3367 states and 4756 transitions. [2024-11-08 15:54:43,159 INFO L78 Accepts]: Start accepts. Automaton has 3367 states and 4756 transitions. Word has length 58 [2024-11-08 15:54:43,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:43,160 INFO L471 AbstractCegarLoop]: Abstraction has 3367 states and 4756 transitions. [2024-11-08 15:54:43,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:43,160 INFO L276 IsEmpty]: Start isEmpty. Operand 3367 states and 4756 transitions. [2024-11-08 15:54:43,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-08 15:54:43,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:43,161 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] [2024-11-08 15:54:43,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 15:54:43,162 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:43,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:43,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1645651769, now seen corresponding path program 1 times [2024-11-08 15:54:43,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:43,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016039231] [2024-11-08 15:54:43,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:43,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:43,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:43,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:43,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016039231] [2024-11-08 15:54:43,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016039231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:43,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:43,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:54:43,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135264565] [2024-11-08 15:54:43,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:43,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:54:43,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:43,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:54:43,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:54:43,578 INFO L87 Difference]: Start difference. First operand 3367 states and 4756 transitions. Second operand has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:44,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:44,145 INFO L93 Difference]: Finished difference Result 5551 states and 7899 transitions. [2024-11-08 15:54:44,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:54:44,145 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 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 58 [2024-11-08 15:54:44,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:44,150 INFO L225 Difference]: With dead ends: 5551 [2024-11-08 15:54:44,150 INFO L226 Difference]: Without dead ends: 5547 [2024-11-08 15:54:44,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-08 15:54:44,152 INFO L432 NwaCegarLoop]: 550 mSDtfsCounter, 3411 mSDsluCounter, 2511 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3411 SdHoareTripleChecker+Valid, 3061 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:44,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3411 Valid, 3061 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 15:54:44,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5547 states. [2024-11-08 15:54:44,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5547 to 3363. [2024-11-08 15:54:44,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3363 states, 3362 states have (on average 1.4134443783462225) internal successors, (4752), 3362 states have internal predecessors, (4752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3363 states to 3363 states and 4752 transitions. [2024-11-08 15:54:44,221 INFO L78 Accepts]: Start accepts. Automaton has 3363 states and 4752 transitions. Word has length 58 [2024-11-08 15:54:44,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:44,222 INFO L471 AbstractCegarLoop]: Abstraction has 3363 states and 4752 transitions. [2024-11-08 15:54:44,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:44,222 INFO L276 IsEmpty]: Start isEmpty. Operand 3363 states and 4752 transitions. [2024-11-08 15:54:44,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-08 15:54:44,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:44,223 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] [2024-11-08 15:54:44,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 15:54:44,224 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:44,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:44,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1327663405, now seen corresponding path program 1 times [2024-11-08 15:54:44,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:44,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298417232] [2024-11-08 15:54:44,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:44,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:44,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:44,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:44,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298417232] [2024-11-08 15:54:44,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298417232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:44,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:44,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:54:44,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190284621] [2024-11-08 15:54:44,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:44,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:54:44,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:44,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:54:44,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:54:44,310 INFO L87 Difference]: Start difference. First operand 3363 states and 4752 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 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) [2024-11-08 15:54:44,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:44,396 INFO L93 Difference]: Finished difference Result 10483 states and 15148 transitions. [2024-11-08 15:54:44,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:54:44,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 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 [2024-11-08 15:54:44,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:44,404 INFO L225 Difference]: With dead ends: 10483 [2024-11-08 15:54:44,405 INFO L226 Difference]: Without dead ends: 7697 [2024-11-08 15:54:44,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:54:44,410 INFO L432 NwaCegarLoop]: 572 mSDtfsCounter, 1614 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1614 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:44,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1614 Valid, 1205 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:54:44,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7697 states. [2024-11-08 15:54:44,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7697 to 5839. [2024-11-08 15:54:44,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5839 states, 5838 states have (on average 1.4128126070572113) internal successors, (8248), 5838 states have internal predecessors, (8248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:44,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5839 states to 5839 states and 8248 transitions. [2024-11-08 15:54:44,478 INFO L78 Accepts]: Start accepts. Automaton has 5839 states and 8248 transitions. Word has length 66 [2024-11-08 15:54:44,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:44,478 INFO L471 AbstractCegarLoop]: Abstraction has 5839 states and 8248 transitions. [2024-11-08 15:54:44,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 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) [2024-11-08 15:54:44,478 INFO L276 IsEmpty]: Start isEmpty. Operand 5839 states and 8248 transitions. [2024-11-08 15:54:44,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 15:54:44,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:44,480 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] [2024-11-08 15:54:44,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 15:54:44,480 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:44,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:44,480 INFO L85 PathProgramCache]: Analyzing trace with hash -2106166862, now seen corresponding path program 1 times [2024-11-08 15:54:44,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:44,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716443332] [2024-11-08 15:54:44,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:44,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:44,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:44,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:44,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716443332] [2024-11-08 15:54:44,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716443332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:44,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:44,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:54:44,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062490453] [2024-11-08 15:54:44,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:44,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:54:44,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:44,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:54:44,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:54:44,611 INFO L87 Difference]: Start difference. First operand 5839 states and 8248 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 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) [2024-11-08 15:54:44,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:44,684 INFO L93 Difference]: Finished difference Result 9145 states and 12967 transitions. [2024-11-08 15:54:44,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:54:44,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 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 [2024-11-08 15:54:44,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:44,688 INFO L225 Difference]: With dead ends: 9145 [2024-11-08 15:54:44,688 INFO L226 Difference]: Without dead ends: 3861 [2024-11-08 15:54:44,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:54:44,693 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 1168 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:44,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 941 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:54:44,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2024-11-08 15:54:44,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 3857. [2024-11-08 15:54:44,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3857 states, 3856 states have (on average 1.3871887966804979) internal successors, (5349), 3856 states have internal predecessors, (5349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 3857 states and 5349 transitions. [2024-11-08 15:54:44,732 INFO L78 Accepts]: Start accepts. Automaton has 3857 states and 5349 transitions. Word has length 67 [2024-11-08 15:54:44,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:44,732 INFO L471 AbstractCegarLoop]: Abstraction has 3857 states and 5349 transitions. [2024-11-08 15:54:44,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 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) [2024-11-08 15:54:44,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3857 states and 5349 transitions. [2024-11-08 15:54:44,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 15:54:44,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:44,735 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] [2024-11-08 15:54:44,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 15:54:44,735 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:44,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:44,735 INFO L85 PathProgramCache]: Analyzing trace with hash -565252104, now seen corresponding path program 1 times [2024-11-08 15:54:44,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:44,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527169536] [2024-11-08 15:54:44,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:44,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:44,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:44,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:44,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527169536] [2024-11-08 15:54:44,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527169536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:44,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:44,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:54:44,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684736371] [2024-11-08 15:54:44,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:44,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:54:44,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:44,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:54:44,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:54:44,820 INFO L87 Difference]: Start difference. First operand 3857 states and 5349 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:44,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:44,875 INFO L93 Difference]: Finished difference Result 10147 states and 14275 transitions. [2024-11-08 15:54:44,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:54:44,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2024-11-08 15:54:44,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:44,881 INFO L225 Difference]: With dead ends: 10147 [2024-11-08 15:54:44,881 INFO L226 Difference]: Without dead ends: 6845 [2024-11-08 15:54:44,884 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 [2024-11-08 15:54:44,885 INFO L432 NwaCegarLoop]: 610 mSDtfsCounter, 301 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:44,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 904 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:54:44,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6845 states. [2024-11-08 15:54:44,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6845 to 6427. [2024-11-08 15:54:44,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6427 states, 6426 states have (on average 1.3907563025210083) internal successors, (8937), 6426 states have internal predecessors, (8937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:44,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6427 states to 6427 states and 8937 transitions. [2024-11-08 15:54:44,982 INFO L78 Accepts]: Start accepts. Automaton has 6427 states and 8937 transitions. Word has length 69 [2024-11-08 15:54:44,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:44,982 INFO L471 AbstractCegarLoop]: Abstraction has 6427 states and 8937 transitions. [2024-11-08 15:54:44,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:44,983 INFO L276 IsEmpty]: Start isEmpty. Operand 6427 states and 8937 transitions. [2024-11-08 15:54:44,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 15:54:44,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:44,985 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] [2024-11-08 15:54:44,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 15:54:44,985 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:44,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:44,986 INFO L85 PathProgramCache]: Analyzing trace with hash -195732182, now seen corresponding path program 1 times [2024-11-08 15:54:44,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:44,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529045641] [2024-11-08 15:54:44,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:44,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:45,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:45,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:45,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529045641] [2024-11-08 15:54:45,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529045641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:45,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:45,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:54:45,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721906032] [2024-11-08 15:54:45,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:45,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:54:45,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:45,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:54:45,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:54:45,107 INFO L87 Difference]: Start difference. First operand 6427 states and 8937 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:45,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:45,185 INFO L93 Difference]: Finished difference Result 17545 states and 24533 transitions. [2024-11-08 15:54:45,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:54:45,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2024-11-08 15:54:45,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:45,197 INFO L225 Difference]: With dead ends: 17545 [2024-11-08 15:54:45,197 INFO L226 Difference]: Without dead ends: 11657 [2024-11-08 15:54:45,205 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 [2024-11-08 15:54:45,206 INFO L432 NwaCegarLoop]: 618 mSDtfsCounter, 354 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:45,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 858 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:54:45,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11657 states. [2024-11-08 15:54:45,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11657 to 10823. [2024-11-08 15:54:45,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10823 states, 10822 states have (on average 1.3826464609129552) internal successors, (14963), 10822 states have internal predecessors, (14963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:45,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10823 states to 10823 states and 14963 transitions. [2024-11-08 15:54:45,320 INFO L78 Accepts]: Start accepts. Automaton has 10823 states and 14963 transitions. Word has length 72 [2024-11-08 15:54:45,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:45,321 INFO L471 AbstractCegarLoop]: Abstraction has 10823 states and 14963 transitions. [2024-11-08 15:54:45,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:45,321 INFO L276 IsEmpty]: Start isEmpty. Operand 10823 states and 14963 transitions. [2024-11-08 15:54:45,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 15:54:45,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:45,322 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] [2024-11-08 15:54:45,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 15:54:45,323 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:45,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:45,324 INFO L85 PathProgramCache]: Analyzing trace with hash 950824169, now seen corresponding path program 1 times [2024-11-08 15:54:45,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:45,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210258327] [2024-11-08 15:54:45,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:45,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:45,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:45,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:45,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210258327] [2024-11-08 15:54:45,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210258327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:45,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:45,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:54:45,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404999280] [2024-11-08 15:54:45,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:45,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:54:45,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:45,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:54:45,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:54:45,551 INFO L87 Difference]: Start difference. First operand 10823 states and 14963 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:45,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:45,624 INFO L93 Difference]: Finished difference Result 11713 states and 16148 transitions. [2024-11-08 15:54:45,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 15:54:45,625 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2024-11-08 15:54:45,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:45,637 INFO L225 Difference]: With dead ends: 11713 [2024-11-08 15:54:45,637 INFO L226 Difference]: Without dead ends: 11711 [2024-11-08 15:54:45,641 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 [2024-11-08 15:54:45,642 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 0 mSDsluCounter, 2172 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2728 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:45,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2728 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:54:45,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11711 states. [2024-11-08 15:54:45,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11711 to 11711. [2024-11-08 15:54:45,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11711 states, 11710 states have (on average 1.3536293766011955) internal successors, (15851), 11710 states have internal predecessors, (15851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:45,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11711 states to 11711 states and 15851 transitions. [2024-11-08 15:54:45,830 INFO L78 Accepts]: Start accepts. Automaton has 11711 states and 15851 transitions. Word has length 72 [2024-11-08 15:54:45,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:45,830 INFO L471 AbstractCegarLoop]: Abstraction has 11711 states and 15851 transitions. [2024-11-08 15:54:45,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:45,830 INFO L276 IsEmpty]: Start isEmpty. Operand 11711 states and 15851 transitions. [2024-11-08 15:54:45,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 15:54:45,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:45,832 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] [2024-11-08 15:54:45,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 15:54:45,832 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:45,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:45,833 INFO L85 PathProgramCache]: Analyzing trace with hash -467379378, now seen corresponding path program 1 times [2024-11-08 15:54:45,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:45,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653741727] [2024-11-08 15:54:45,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:45,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:45,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:45,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653741727] [2024-11-08 15:54:45,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653741727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:45,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:45,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:54:45,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599469906] [2024-11-08 15:54:45,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:45,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:54:45,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:45,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:54:45,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:54:45,890 INFO L87 Difference]: Start difference. First operand 11711 states and 15851 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:45,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:45,973 INFO L93 Difference]: Finished difference Result 31614 states and 42824 transitions. [2024-11-08 15:54:45,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:54:45,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-11-08 15:54:45,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:45,996 INFO L225 Difference]: With dead ends: 31614 [2024-11-08 15:54:45,996 INFO L226 Difference]: Without dead ends: 20444 [2024-11-08 15:54:46,009 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 [2024-11-08 15:54:46,009 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 302 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:46,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 865 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:54:46,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20444 states. [2024-11-08 15:54:46,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20444 to 20442. [2024-11-08 15:54:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20442 states, 20441 states have (on average 1.3348662002837435) internal successors, (27286), 20441 states have internal predecessors, (27286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:46,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20442 states to 20442 states and 27286 transitions. [2024-11-08 15:54:46,202 INFO L78 Accepts]: Start accepts. Automaton has 20442 states and 27286 transitions. Word has length 73 [2024-11-08 15:54:46,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:46,202 INFO L471 AbstractCegarLoop]: Abstraction has 20442 states and 27286 transitions. [2024-11-08 15:54:46,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:46,203 INFO L276 IsEmpty]: Start isEmpty. Operand 20442 states and 27286 transitions. [2024-11-08 15:54:46,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 15:54:46,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:46,205 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] [2024-11-08 15:54:46,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 15:54:46,205 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:46,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:46,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1772479294, now seen corresponding path program 1 times [2024-11-08 15:54:46,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:46,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350688119] [2024-11-08 15:54:46,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:46,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:46,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:46,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:46,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350688119] [2024-11-08 15:54:46,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350688119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:46,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:46,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:54:46,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069135293] [2024-11-08 15:54:46,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:46,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:54:46,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:46,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:54:46,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:54:46,299 INFO L87 Difference]: Start difference. First operand 20442 states and 27286 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:46,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:46,430 INFO L93 Difference]: Finished difference Result 35938 states and 48166 transitions. [2024-11-08 15:54:46,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:54:46,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2024-11-08 15:54:46,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:46,462 INFO L225 Difference]: With dead ends: 35938 [2024-11-08 15:54:46,462 INFO L226 Difference]: Without dead ends: 29408 [2024-11-08 15:54:46,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:54:46,476 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 1023 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:46,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1023 Valid, 1495 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:54:46,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29408 states. [2024-11-08 15:54:46,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29408 to 25624. [2024-11-08 15:54:46,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25624 states, 25623 states have (on average 1.3303672481754674) internal successors, (34088), 25623 states have internal predecessors, (34088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25624 states to 25624 states and 34088 transitions. [2024-11-08 15:54:46,869 INFO L78 Accepts]: Start accepts. Automaton has 25624 states and 34088 transitions. Word has length 77 [2024-11-08 15:54:46,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:46,869 INFO L471 AbstractCegarLoop]: Abstraction has 25624 states and 34088 transitions. [2024-11-08 15:54:46,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:46,870 INFO L276 IsEmpty]: Start isEmpty. Operand 25624 states and 34088 transitions. [2024-11-08 15:54:46,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-08 15:54:46,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:46,872 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] [2024-11-08 15:54:46,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 15:54:46,872 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:46,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:46,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1856799535, now seen corresponding path program 1 times [2024-11-08 15:54:46,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:46,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858826582] [2024-11-08 15:54:46,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:46,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:46,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:46,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:46,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858826582] [2024-11-08 15:54:46,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858826582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:46,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:46,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:54:46,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088080663] [2024-11-08 15:54:46,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:46,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:54:46,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:46,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:54:46,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:54:46,964 INFO L87 Difference]: Start difference. First operand 25624 states and 34088 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:47,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:47,102 INFO L93 Difference]: Finished difference Result 39414 states and 52674 transitions. [2024-11-08 15:54:47,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:54:47,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2024-11-08 15:54:47,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:47,140 INFO L225 Difference]: With dead ends: 39414 [2024-11-08 15:54:47,140 INFO L226 Difference]: Without dead ends: 32884 [2024-11-08 15:54:47,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:54:47,155 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 1028 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:47,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1028 Valid, 1509 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:54:47,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32884 states. [2024-11-08 15:54:47,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32884 to 30806. [2024-11-08 15:54:47,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30806 states, 30805 states have (on average 1.3273819185197209) internal successors, (40890), 30805 states have internal predecessors, (40890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:47,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30806 states to 30806 states and 40890 transitions. [2024-11-08 15:54:47,526 INFO L78 Accepts]: Start accepts. Automaton has 30806 states and 40890 transitions. Word has length 78 [2024-11-08 15:54:47,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:47,526 INFO L471 AbstractCegarLoop]: Abstraction has 30806 states and 40890 transitions. [2024-11-08 15:54:47,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:47,526 INFO L276 IsEmpty]: Start isEmpty. Operand 30806 states and 40890 transitions. [2024-11-08 15:54:47,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-08 15:54:47,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:47,528 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] [2024-11-08 15:54:47,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 15:54:47,529 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:47,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:47,529 INFO L85 PathProgramCache]: Analyzing trace with hash 2010164398, now seen corresponding path program 1 times [2024-11-08 15:54:47,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:47,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965703000] [2024-11-08 15:54:47,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:47,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:47,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:47,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:47,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965703000] [2024-11-08 15:54:47,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965703000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:47,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:47,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:54:47,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711824513] [2024-11-08 15:54:47,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:47,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:54:47,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:47,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:54:47,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:54:47,617 INFO L87 Difference]: Start difference. First operand 30806 states and 40890 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:47,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:47,761 INFO L93 Difference]: Finished difference Result 44658 states and 59458 transitions. [2024-11-08 15:54:47,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:54:47,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2024-11-08 15:54:47,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:47,803 INFO L225 Difference]: With dead ends: 44658 [2024-11-08 15:54:47,803 INFO L226 Difference]: Without dead ends: 38088 [2024-11-08 15:54:47,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:54:47,819 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 1106 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 1334 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:47,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 1334 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:54:47,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38088 states. [2024-11-08 15:54:48,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38088 to 36010. [2024-11-08 15:54:48,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36010 states, 36009 states have (on average 1.324280041100836) internal successors, (47686), 36009 states have internal predecessors, (47686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:48,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36010 states to 36010 states and 47686 transitions. [2024-11-08 15:54:48,349 INFO L78 Accepts]: Start accepts. Automaton has 36010 states and 47686 transitions. Word has length 78 [2024-11-08 15:54:48,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:48,349 INFO L471 AbstractCegarLoop]: Abstraction has 36010 states and 47686 transitions. [2024-11-08 15:54:48,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:48,350 INFO L276 IsEmpty]: Start isEmpty. Operand 36010 states and 47686 transitions. [2024-11-08 15:54:48,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 15:54:48,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:48,354 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] [2024-11-08 15:54:48,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 15:54:48,354 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:48,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:48,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1003850221, now seen corresponding path program 1 times [2024-11-08 15:54:48,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:48,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658132457] [2024-11-08 15:54:48,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:48,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:48,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:48,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:48,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658132457] [2024-11-08 15:54:48,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658132457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:48,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:48,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:54:48,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440443238] [2024-11-08 15:54:48,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:48,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:54:48,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:48,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:54:48,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:54:48,567 INFO L87 Difference]: Start difference. First operand 36010 states and 47686 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 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) [2024-11-08 15:54:48,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:48,903 INFO L93 Difference]: Finished difference Result 56544 states and 75121 transitions. [2024-11-08 15:54:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 15:54:48,903 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 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 [2024-11-08 15:54:48,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:48,953 INFO L225 Difference]: With dead ends: 56544 [2024-11-08 15:54:48,953 INFO L226 Difference]: Without dead ends: 44834 [2024-11-08 15:54:48,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:54:48,974 INFO L432 NwaCegarLoop]: 623 mSDtfsCounter, 1298 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1298 SdHoareTripleChecker+Valid, 1339 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:48,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1298 Valid, 1339 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:54:49,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44834 states. [2024-11-08 15:54:49,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44834 to 41114. [2024-11-08 15:54:49,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41114 states, 41113 states have (on average 1.3249823656750905) internal successors, (54474), 41113 states have internal predecessors, (54474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:49,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41114 states to 41114 states and 54474 transitions. [2024-11-08 15:54:49,527 INFO L78 Accepts]: Start accepts. Automaton has 41114 states and 54474 transitions. Word has length 85 [2024-11-08 15:54:49,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:49,528 INFO L471 AbstractCegarLoop]: Abstraction has 41114 states and 54474 transitions. [2024-11-08 15:54:49,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 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) [2024-11-08 15:54:49,528 INFO L276 IsEmpty]: Start isEmpty. Operand 41114 states and 54474 transitions. [2024-11-08 15:54:49,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 15:54:49,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:49,532 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] [2024-11-08 15:54:49,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-08 15:54:49,532 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:49,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:49,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1777388971, now seen corresponding path program 1 times [2024-11-08 15:54:49,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:49,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322956316] [2024-11-08 15:54:49,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:49,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:49,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:49,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:49,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322956316] [2024-11-08 15:54:49,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322956316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:49,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:49,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:54:49,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176830051] [2024-11-08 15:54:49,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:49,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:54:49,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:49,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:54:49,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:54:49,667 INFO L87 Difference]: Start difference. First operand 41114 states and 54474 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 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) [2024-11-08 15:54:49,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:49,857 INFO L93 Difference]: Finished difference Result 65096 states and 86389 transitions. [2024-11-08 15:54:49,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:54:49,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 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 [2024-11-08 15:54:49,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:49,900 INFO L225 Difference]: With dead ends: 65096 [2024-11-08 15:54:49,901 INFO L226 Difference]: Without dead ends: 44566 [2024-11-08 15:54:49,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:54:49,920 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 1020 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 1488 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:49,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 1488 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:54:49,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44566 states. [2024-11-08 15:54:50,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44566 to 40838. [2024-11-08 15:54:50,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40838 states, 40837 states have (on average 1.3226730660920243) internal successors, (54014), 40837 states have internal predecessors, (54014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:50,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40838 states to 40838 states and 54014 transitions. [2024-11-08 15:54:50,453 INFO L78 Accepts]: Start accepts. Automaton has 40838 states and 54014 transitions. Word has length 85 [2024-11-08 15:54:50,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:50,453 INFO L471 AbstractCegarLoop]: Abstraction has 40838 states and 54014 transitions. [2024-11-08 15:54:50,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 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) [2024-11-08 15:54:50,453 INFO L276 IsEmpty]: Start isEmpty. Operand 40838 states and 54014 transitions. [2024-11-08 15:54:50,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 15:54:50,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:50,457 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] [2024-11-08 15:54:50,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-08 15:54:50,457 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:50,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:50,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1764353414, now seen corresponding path program 1 times [2024-11-08 15:54:50,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:50,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60420947] [2024-11-08 15:54:50,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:50,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:50,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:50,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:50,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60420947] [2024-11-08 15:54:50,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60420947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:50,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:50,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:54:50,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126845875] [2024-11-08 15:54:50,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:50,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:54:50,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:50,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:54:50,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:54:50,832 INFO L87 Difference]: Start difference. First operand 40838 states and 54014 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 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) [2024-11-08 15:54:51,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:51,061 INFO L93 Difference]: Finished difference Result 65352 states and 86485 transitions. [2024-11-08 15:54:51,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:54:51,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 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 [2024-11-08 15:54:51,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:51,117 INFO L225 Difference]: With dead ends: 65352 [2024-11-08 15:54:51,117 INFO L226 Difference]: Without dead ends: 46078 [2024-11-08 15:54:51,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:54:51,142 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 1090 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1090 SdHoareTripleChecker+Valid, 1334 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:51,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1090 Valid, 1334 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:54:51,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46078 states. [2024-11-08 15:54:51,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46078 to 40562. [2024-11-08 15:54:51,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40562 states, 40561 states have (on average 1.3203323389462784) internal successors, (53554), 40561 states have internal predecessors, (53554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:51,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40562 states to 40562 states and 53554 transitions. [2024-11-08 15:54:51,696 INFO L78 Accepts]: Start accepts. Automaton has 40562 states and 53554 transitions. Word has length 85 [2024-11-08 15:54:51,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:51,696 INFO L471 AbstractCegarLoop]: Abstraction has 40562 states and 53554 transitions. [2024-11-08 15:54:51,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 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) [2024-11-08 15:54:51,696 INFO L276 IsEmpty]: Start isEmpty. Operand 40562 states and 53554 transitions. [2024-11-08 15:54:51,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 15:54:51,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:51,699 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] [2024-11-08 15:54:51,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-08 15:54:51,699 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:51,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:51,700 INFO L85 PathProgramCache]: Analyzing trace with hash 747174186, now seen corresponding path program 1 times [2024-11-08 15:54:51,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:51,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111778396] [2024-11-08 15:54:51,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:51,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:51,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:51,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:51,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111778396] [2024-11-08 15:54:51,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111778396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:51,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:51,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:54:51,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306038057] [2024-11-08 15:54:51,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:51,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:54:51,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:51,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:54:51,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:54:51,820 INFO L87 Difference]: Start difference. First operand 40562 states and 53554 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 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) [2024-11-08 15:54:52,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:52,454 INFO L93 Difference]: Finished difference Result 50164 states and 66192 transitions. [2024-11-08 15:54:52,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:54:52,454 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 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 [2024-11-08 15:54:52,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:52,514 INFO L225 Difference]: With dead ends: 50164 [2024-11-08 15:54:52,514 INFO L226 Difference]: Without dead ends: 49034 [2024-11-08 15:54:52,531 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 [2024-11-08 15:54:52,532 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 2243 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2243 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:52,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2243 Valid, 717 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 15:54:52,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49034 states. [2024-11-08 15:54:52,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49034 to 40560. [2024-11-08 15:54:52,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40560 states, 40559 states have (on average 1.3202988239355014) internal successors, (53550), 40559 states have internal predecessors, (53550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:53,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40560 states to 40560 states and 53550 transitions. [2024-11-08 15:54:53,013 INFO L78 Accepts]: Start accepts. Automaton has 40560 states and 53550 transitions. Word has length 86 [2024-11-08 15:54:53,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:53,014 INFO L471 AbstractCegarLoop]: Abstraction has 40560 states and 53550 transitions. [2024-11-08 15:54:53,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 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) [2024-11-08 15:54:53,014 INFO L276 IsEmpty]: Start isEmpty. Operand 40560 states and 53550 transitions. [2024-11-08 15:54:53,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 15:54:53,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:53,017 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] [2024-11-08 15:54:53,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-08 15:54:53,017 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:53,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:53,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1308336955, now seen corresponding path program 1 times [2024-11-08 15:54:53,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:53,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938559539] [2024-11-08 15:54:53,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:53,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:53,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:53,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938559539] [2024-11-08 15:54:53,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938559539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:53,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:53,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:54:53,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148617951] [2024-11-08 15:54:53,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:53,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:54:53,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:53,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:54:53,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:54:53,118 INFO L87 Difference]: Start difference. First operand 40560 states and 53550 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 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) [2024-11-08 15:54:53,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:53,619 INFO L93 Difference]: Finished difference Result 50434 states and 66532 transitions. [2024-11-08 15:54:53,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:54:53,619 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 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 [2024-11-08 15:54:53,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:53,676 INFO L225 Difference]: With dead ends: 50434 [2024-11-08 15:54:53,676 INFO L226 Difference]: Without dead ends: 49032 [2024-11-08 15:54:53,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:54:53,693 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 2247 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2247 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:53,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2247 Valid, 709 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 15:54:53,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49032 states. [2024-11-08 15:54:54,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49032 to 40558. [2024-11-08 15:54:54,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40558 states, 40557 states have (on average 1.320265305619252) internal successors, (53546), 40557 states have internal predecessors, (53546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:54,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40558 states to 40558 states and 53546 transitions. [2024-11-08 15:54:54,563 INFO L78 Accepts]: Start accepts. Automaton has 40558 states and 53546 transitions. Word has length 86 [2024-11-08 15:54:54,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:54,564 INFO L471 AbstractCegarLoop]: Abstraction has 40558 states and 53546 transitions. [2024-11-08 15:54:54,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 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) [2024-11-08 15:54:54,564 INFO L276 IsEmpty]: Start isEmpty. Operand 40558 states and 53546 transitions. [2024-11-08 15:54:54,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 15:54:54,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:54,570 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:54:54,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-08 15:54:54,570 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:54,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:54,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1313750202, now seen corresponding path program 1 times [2024-11-08 15:54:54,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:54,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028847965] [2024-11-08 15:54:54,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:54,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:54,751 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 15:54:54,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:54,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028847965] [2024-11-08 15:54:54,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028847965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:54:54,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:54:54,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:54:54,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954398464] [2024-11-08 15:54:54,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:54:54,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 15:54:54,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:54,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 15:54:54,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 15:54:54,753 INFO L87 Difference]: Start difference. First operand 40558 states and 53546 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 7 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) [2024-11-08 15:54:55,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:54:55,440 INFO L93 Difference]: Finished difference Result 76695 states and 101293 transitions. [2024-11-08 15:54:55,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:54:55,440 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 7 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 93 [2024-11-08 15:54:55,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:54:55,501 INFO L225 Difference]: With dead ends: 76695 [2024-11-08 15:54:55,501 INFO L226 Difference]: Without dead ends: 58657 [2024-11-08 15:54:55,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:54:55,517 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 2297 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2297 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:54:55,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2297 Valid, 1056 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 15:54:55,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58657 states. [2024-11-08 15:54:55,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58657 to 40544. [2024-11-08 15:54:55,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40544 states, 40543 states have (on average 1.320351232025257) internal successors, (53531), 40543 states have internal predecessors, (53531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:54:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40544 states to 40544 states and 53531 transitions. [2024-11-08 15:54:56,024 INFO L78 Accepts]: Start accepts. Automaton has 40544 states and 53531 transitions. Word has length 93 [2024-11-08 15:54:56,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:54:56,025 INFO L471 AbstractCegarLoop]: Abstraction has 40544 states and 53531 transitions. [2024-11-08 15:54:56,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 7 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) [2024-11-08 15:54:56,025 INFO L276 IsEmpty]: Start isEmpty. Operand 40544 states and 53531 transitions. [2024-11-08 15:54:56,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 15:54:56,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:54:56,031 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:54:56,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-08 15:54:56,032 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:54:56,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:54:56,032 INFO L85 PathProgramCache]: Analyzing trace with hash 648664286, now seen corresponding path program 1 times [2024-11-08 15:54:56,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:54:56,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332043366] [2024-11-08 15:54:56,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:56,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:54:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:56,208 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:56,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:54:56,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332043366] [2024-11-08 15:54:56,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332043366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:54:56,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270481405] [2024-11-08 15:54:56,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:54:56,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:54:56,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:54:56,211 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) [2024-11-08 15:54:56,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 15:54:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:54:56,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 15:54:56,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:54:57,150 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:57,150 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:54:57,972 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:54:57,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270481405] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:54:57,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:54:57,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 21 [2024-11-08 15:54:57,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591280742] [2024-11-08 15:54:57,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:54:57,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-08 15:54:57,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:54:57,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-08 15:54:57,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2024-11-08 15:54:57,975 INFO L87 Difference]: Start difference. First operand 40544 states and 53531 transitions. Second operand has 21 states, 21 states have (on average 12.619047619047619) internal successors, (265), 21 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:00,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:00,590 INFO L93 Difference]: Finished difference Result 200166 states and 264008 transitions. [2024-11-08 15:55:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-08 15:55:00,591 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 12.619047619047619) internal successors, (265), 21 states have internal predecessors, (265), 0 states have call successors, (0), 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 [2024-11-08 15:55:00,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:00,782 INFO L225 Difference]: With dead ends: 200166 [2024-11-08 15:55:00,783 INFO L226 Difference]: Without dead ends: 160152 [2024-11-08 15:55:00,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1136 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=845, Invalid=3315, Unknown=0, NotChecked=0, Total=4160 [2024-11-08 15:55:00,850 INFO L432 NwaCegarLoop]: 357 mSDtfsCounter, 3714 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 4072 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3714 SdHoareTripleChecker+Valid, 4024 SdHoareTripleChecker+Invalid, 4124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 4072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:00,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3714 Valid, 4024 Invalid, 4124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 4072 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 15:55:01,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160152 states. [2024-11-08 15:55:01,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160152 to 53736. [2024-11-08 15:55:01,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53736 states, 53735 states have (on average 1.3190843956452964) internal successors, (70881), 53735 states have internal predecessors, (70881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:02,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53736 states to 53736 states and 70881 transitions. [2024-11-08 15:55:02,034 INFO L78 Accepts]: Start accepts. Automaton has 53736 states and 70881 transitions. Word has length 93 [2024-11-08 15:55:02,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:02,035 INFO L471 AbstractCegarLoop]: Abstraction has 53736 states and 70881 transitions. [2024-11-08 15:55:02,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 12.619047619047619) internal successors, (265), 21 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:02,035 INFO L276 IsEmpty]: Start isEmpty. Operand 53736 states and 70881 transitions. [2024-11-08 15:55:02,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 15:55:02,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:02,044 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:55:02,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 15:55:02,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:55:02,245 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:55:02,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:02,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1428265138, now seen corresponding path program 1 times [2024-11-08 15:55:02,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:02,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663012164] [2024-11-08 15:55:02,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:02,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:02,346 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:02,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:02,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663012164] [2024-11-08 15:55:02,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663012164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:02,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:02,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:55:02,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178849895] [2024-11-08 15:55:02,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:02,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:55:02,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:02,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:55:02,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:55:02,349 INFO L87 Difference]: Start difference. First operand 53736 states and 70881 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:03,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:03,126 INFO L93 Difference]: Finished difference Result 160317 states and 211475 transitions. [2024-11-08 15:55:03,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 15:55:03,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-08 15:55:03,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:03,268 INFO L225 Difference]: With dead ends: 160317 [2024-11-08 15:55:03,269 INFO L226 Difference]: Without dead ends: 107476 [2024-11-08 15:55:03,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 15:55:03,311 INFO L432 NwaCegarLoop]: 337 mSDtfsCounter, 1001 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1001 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:03,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1001 Valid, 854 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 15:55:03,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107476 states. [2024-11-08 15:55:04,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107476 to 74128. [2024-11-08 15:55:04,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74128 states, 74127 states have (on average 1.2889095741092989) internal successors, (95543), 74127 states have internal predecessors, (95543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:04,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74128 states to 74128 states and 95543 transitions. [2024-11-08 15:55:04,547 INFO L78 Accepts]: Start accepts. Automaton has 74128 states and 95543 transitions. Word has length 97 [2024-11-08 15:55:04,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:04,547 INFO L471 AbstractCegarLoop]: Abstraction has 74128 states and 95543 transitions. [2024-11-08 15:55:04,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:04,547 INFO L276 IsEmpty]: Start isEmpty. Operand 74128 states and 95543 transitions. [2024-11-08 15:55:04,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 15:55:04,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:04,558 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:55:04,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-08 15:55:04,559 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:55:04,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:04,559 INFO L85 PathProgramCache]: Analyzing trace with hash 2003684455, now seen corresponding path program 1 times [2024-11-08 15:55:04,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:04,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395668076] [2024-11-08 15:55:04,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:04,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:04,923 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:04,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:04,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395668076] [2024-11-08 15:55:04,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395668076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:04,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:04,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:55:04,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540102518] [2024-11-08 15:55:04,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:04,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:55:04,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:04,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:55:04,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:55:04,929 INFO L87 Difference]: Start difference. First operand 74128 states and 95543 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:05,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:05,500 INFO L93 Difference]: Finished difference Result 153314 states and 197556 transitions. [2024-11-08 15:55:05,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 15:55:05,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-08 15:55:05,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:05,593 INFO L225 Difference]: With dead ends: 153314 [2024-11-08 15:55:05,593 INFO L226 Difference]: Without dead ends: 79802 [2024-11-08 15:55:05,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:55:05,640 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 1018 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:05,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 745 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 15:55:05,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79802 states. [2024-11-08 15:55:06,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79802 to 70931. [2024-11-08 15:55:06,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70931 states, 70930 states have (on average 1.2597067531368955) internal successors, (89351), 70930 states have internal predecessors, (89351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:06,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70931 states to 70931 states and 89351 transitions. [2024-11-08 15:55:06,617 INFO L78 Accepts]: Start accepts. Automaton has 70931 states and 89351 transitions. Word has length 97 [2024-11-08 15:55:06,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:06,617 INFO L471 AbstractCegarLoop]: Abstraction has 70931 states and 89351 transitions. [2024-11-08 15:55:06,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:06,617 INFO L276 IsEmpty]: Start isEmpty. Operand 70931 states and 89351 transitions. [2024-11-08 15:55:06,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 15:55:06,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:06,625 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:55:06,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-08 15:55:06,625 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:55:06,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:06,625 INFO L85 PathProgramCache]: Analyzing trace with hash 321227878, now seen corresponding path program 1 times [2024-11-08 15:55:06,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:06,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161690116] [2024-11-08 15:55:06,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:06,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 15:55:06,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:06,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161690116] [2024-11-08 15:55:06,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161690116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:06,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:06,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:06,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123161807] [2024-11-08 15:55:06,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:06,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:06,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:06,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:06,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:06,691 INFO L87 Difference]: Start difference. First operand 70931 states and 89351 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:07,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:07,259 INFO L93 Difference]: Finished difference Result 90177 states and 113356 transitions. [2024-11-08 15:55:07,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:07,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-08 15:55:07,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:07,341 INFO L225 Difference]: With dead ends: 90177 [2024-11-08 15:55:07,342 INFO L226 Difference]: Without dead ends: 51691 [2024-11-08 15:55:07,374 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 [2024-11-08 15:55:07,375 INFO L432 NwaCegarLoop]: 577 mSDtfsCounter, 155 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:07,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 971 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:55:07,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51691 states. [2024-11-08 15:55:07,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51691 to 51581. [2024-11-08 15:55:07,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51581 states, 51580 states have (on average 1.247499030632028) internal successors, (64346), 51580 states have internal predecessors, (64346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:08,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51581 states to 51581 states and 64346 transitions. [2024-11-08 15:55:08,152 INFO L78 Accepts]: Start accepts. Automaton has 51581 states and 64346 transitions. Word has length 98 [2024-11-08 15:55:08,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:08,152 INFO L471 AbstractCegarLoop]: Abstraction has 51581 states and 64346 transitions. [2024-11-08 15:55:08,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:08,152 INFO L276 IsEmpty]: Start isEmpty. Operand 51581 states and 64346 transitions. [2024-11-08 15:55:08,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 15:55:08,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:08,173 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:55:08,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-08 15:55:08,174 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:55:08,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:08,174 INFO L85 PathProgramCache]: Analyzing trace with hash 106277470, now seen corresponding path program 1 times [2024-11-08 15:55:08,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:08,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519105020] [2024-11-08 15:55:08,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:08,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:08,256 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:08,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:08,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519105020] [2024-11-08 15:55:08,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519105020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:08,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:08,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:08,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727123732] [2024-11-08 15:55:08,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:08,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:08,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:08,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:08,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:08,258 INFO L87 Difference]: Start difference. First operand 51581 states and 64346 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:08,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:08,423 INFO L93 Difference]: Finished difference Result 66632 states and 82877 transitions. [2024-11-08 15:55:08,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:08,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-08 15:55:08,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:08,463 INFO L225 Difference]: With dead ends: 66632 [2024-11-08 15:55:08,463 INFO L226 Difference]: Without dead ends: 35363 [2024-11-08 15:55:08,489 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 [2024-11-08 15:55:08,489 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 172 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:08,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 925 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:55:08,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35363 states. [2024-11-08 15:55:08,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35363 to 35331. [2024-11-08 15:55:08,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35331 states, 35330 states have (on average 1.2313331446362865) internal successors, (43503), 35330 states have internal predecessors, (43503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:08,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35331 states to 35331 states and 43503 transitions. [2024-11-08 15:55:08,902 INFO L78 Accepts]: Start accepts. Automaton has 35331 states and 43503 transitions. Word has length 98 [2024-11-08 15:55:08,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:08,902 INFO L471 AbstractCegarLoop]: Abstraction has 35331 states and 43503 transitions. [2024-11-08 15:55:08,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:08,903 INFO L276 IsEmpty]: Start isEmpty. Operand 35331 states and 43503 transitions. [2024-11-08 15:55:08,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 15:55:08,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:08,909 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:55:08,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-08 15:55:08,910 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:55:08,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:08,910 INFO L85 PathProgramCache]: Analyzing trace with hash -2063038233, now seen corresponding path program 1 times [2024-11-08 15:55:08,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:08,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113273360] [2024-11-08 15:55:08,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:08,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:08,984 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 15:55:08,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:08,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113273360] [2024-11-08 15:55:08,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113273360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:08,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:08,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:08,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330119341] [2024-11-08 15:55:08,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:08,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:08,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:08,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:08,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:08,987 INFO L87 Difference]: Start difference. First operand 35331 states and 43503 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:09,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:09,101 INFO L93 Difference]: Finished difference Result 45268 states and 55703 transitions. [2024-11-08 15:55:09,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:09,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-08 15:55:09,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:09,126 INFO L225 Difference]: With dead ends: 45268 [2024-11-08 15:55:09,126 INFO L226 Difference]: Without dead ends: 22423 [2024-11-08 15:55:09,141 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 [2024-11-08 15:55:09,142 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 161 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:09,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 957 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:55:09,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22423 states. [2024-11-08 15:55:09,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22423 to 21591. [2024-11-08 15:55:09,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21591 states, 21590 states have (on average 1.215886984715146) internal successors, (26251), 21590 states have internal predecessors, (26251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:09,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21591 states to 21591 states and 26251 transitions. [2024-11-08 15:55:09,503 INFO L78 Accepts]: Start accepts. Automaton has 21591 states and 26251 transitions. Word has length 100 [2024-11-08 15:55:09,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:09,503 INFO L471 AbstractCegarLoop]: Abstraction has 21591 states and 26251 transitions. [2024-11-08 15:55:09,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:09,503 INFO L276 IsEmpty]: Start isEmpty. Operand 21591 states and 26251 transitions. [2024-11-08 15:55:09,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 15:55:09,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:09,508 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:55:09,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-08 15:55:09,508 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:55:09,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:09,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1965208128, now seen corresponding path program 1 times [2024-11-08 15:55:09,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:09,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994408989] [2024-11-08 15:55:09,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:09,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:09,579 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:09,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:09,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994408989] [2024-11-08 15:55:09,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994408989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:55:09,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774407762] [2024-11-08 15:55:09,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:09,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:55:09,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:55:09,581 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:55:09,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 15:55:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:09,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 15:55:09,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:55:10,035 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:10,036 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:55:10,145 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:10,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774407762] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:55:10,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:55:10,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-08 15:55:10,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920816645] [2024-11-08 15:55:10,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:55:10,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 15:55:10,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:10,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 15:55:10,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-08 15:55:10,147 INFO L87 Difference]: Start difference. First operand 21591 states and 26251 transitions. Second operand has 14 states, 14 states have (on average 19.785714285714285) internal successors, (277), 14 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:10,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:10,698 INFO L93 Difference]: Finished difference Result 46890 states and 57060 transitions. [2024-11-08 15:55:10,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:55:10,699 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 19.785714285714285) internal successors, (277), 14 states have internal predecessors, (277), 0 states have call successors, (0), 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 101 [2024-11-08 15:55:10,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:10,727 INFO L225 Difference]: With dead ends: 46890 [2024-11-08 15:55:10,727 INFO L226 Difference]: Without dead ends: 25912 [2024-11-08 15:55:10,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-08 15:55:10,743 INFO L432 NwaCegarLoop]: 312 mSDtfsCounter, 3479 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 1317 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3479 SdHoareTripleChecker+Valid, 1662 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:10,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3479 Valid, 1662 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1317 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 15:55:10,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25912 states. [2024-11-08 15:55:10,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25912 to 23074. [2024-11-08 15:55:11,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23074 states, 23073 states have (on average 1.1988037966454297) internal successors, (27660), 23073 states have internal predecessors, (27660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:11,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23074 states to 23074 states and 27660 transitions. [2024-11-08 15:55:11,033 INFO L78 Accepts]: Start accepts. Automaton has 23074 states and 27660 transitions. Word has length 101 [2024-11-08 15:55:11,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:11,034 INFO L471 AbstractCegarLoop]: Abstraction has 23074 states and 27660 transitions. [2024-11-08 15:55:11,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 19.785714285714285) internal successors, (277), 14 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:11,034 INFO L276 IsEmpty]: Start isEmpty. Operand 23074 states and 27660 transitions. [2024-11-08 15:55:11,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 15:55:11,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:11,039 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:55:11,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 15:55:11,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-08 15:55:11,240 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:55:11,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:11,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1034101961, now seen corresponding path program 1 times [2024-11-08 15:55:11,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:11,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390666289] [2024-11-08 15:55:11,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:11,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:11,305 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 15:55:11,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:11,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390666289] [2024-11-08 15:55:11,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390666289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:11,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:11,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:55:11,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989128977] [2024-11-08 15:55:11,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:11,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 15:55:11,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:11,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 15:55:11,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:55:11,307 INFO L87 Difference]: Start difference. First operand 23074 states and 27660 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:11,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:11,604 INFO L93 Difference]: Finished difference Result 42149 states and 50849 transitions. [2024-11-08 15:55:11,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 15:55:11,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 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 103 [2024-11-08 15:55:11,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:11,641 INFO L225 Difference]: With dead ends: 42149 [2024-11-08 15:55:11,641 INFO L226 Difference]: Without dead ends: 34856 [2024-11-08 15:55:11,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:55:11,654 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 388 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 1120 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:11,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 1120 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 15:55:11,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34856 states. [2024-11-08 15:55:11,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34856 to 26575. [2024-11-08 15:55:11,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26575 states, 26574 states have (on average 1.200007526153383) internal successors, (31889), 26574 states have internal predecessors, (31889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:11,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26575 states to 26575 states and 31889 transitions. [2024-11-08 15:55:11,916 INFO L78 Accepts]: Start accepts. Automaton has 26575 states and 31889 transitions. Word has length 103 [2024-11-08 15:55:11,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:11,916 INFO L471 AbstractCegarLoop]: Abstraction has 26575 states and 31889 transitions. [2024-11-08 15:55:11,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:11,917 INFO L276 IsEmpty]: Start isEmpty. Operand 26575 states and 31889 transitions. [2024-11-08 15:55:11,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 15:55:11,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:11,923 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:55:11,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-08 15:55:11,923 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:55:11,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:11,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1054150810, now seen corresponding path program 1 times [2024-11-08 15:55:11,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:11,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374519086] [2024-11-08 15:55:11,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:11,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:12,252 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:12,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:12,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374519086] [2024-11-08 15:55:12,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374519086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:12,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:12,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:55:12,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232408301] [2024-11-08 15:55:12,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:12,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 15:55:12,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:12,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 15:55:12,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:55:12,254 INFO L87 Difference]: Start difference. First operand 26575 states and 31889 transitions. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 9 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:12,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:12,945 INFO L93 Difference]: Finished difference Result 58867 states and 70788 transitions. [2024-11-08 15:55:12,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:55:12,945 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 9 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2024-11-08 15:55:12,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:12,992 INFO L225 Difference]: With dead ends: 58867 [2024-11-08 15:55:12,993 INFO L226 Difference]: Without dead ends: 45776 [2024-11-08 15:55:13,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2024-11-08 15:55:13,011 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 2723 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2723 SdHoareTripleChecker+Valid, 1732 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:13,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2723 Valid, 1732 Invalid, 1372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 15:55:13,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45776 states. [2024-11-08 15:55:13,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45776 to 43600. [2024-11-08 15:55:13,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43600 states, 43599 states have (on average 1.2002798229317186) internal successors, (52331), 43599 states have internal predecessors, (52331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:13,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43600 states to 43600 states and 52331 transitions. [2024-11-08 15:55:13,404 INFO L78 Accepts]: Start accepts. Automaton has 43600 states and 52331 transitions. Word has length 104 [2024-11-08 15:55:13,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:13,404 INFO L471 AbstractCegarLoop]: Abstraction has 43600 states and 52331 transitions. [2024-11-08 15:55:13,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 9 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:13,404 INFO L276 IsEmpty]: Start isEmpty. Operand 43600 states and 52331 transitions. [2024-11-08 15:55:13,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 15:55:13,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:13,411 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:55:13,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-08 15:55:13,412 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:55:13,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:13,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1201921318, now seen corresponding path program 1 times [2024-11-08 15:55:13,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:13,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494781131] [2024-11-08 15:55:13,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:13,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:13,562 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 15:55:13,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:13,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494781131] [2024-11-08 15:55:13,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494781131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:13,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:13,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:55:13,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931944840] [2024-11-08 15:55:13,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:13,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 15:55:13,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:13,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 15:55:13,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:55:13,564 INFO L87 Difference]: Start difference. First operand 43600 states and 52331 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:13,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:13,873 INFO L93 Difference]: Finished difference Result 67320 states and 80262 transitions. [2024-11-08 15:55:13,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 15:55:13,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 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 105 [2024-11-08 15:55:13,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:13,937 INFO L225 Difference]: With dead ends: 67320 [2024-11-08 15:55:13,937 INFO L226 Difference]: Without dead ends: 58934 [2024-11-08 15:55:13,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:55:13,958 INFO L432 NwaCegarLoop]: 447 mSDtfsCounter, 340 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:13,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 997 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 15:55:13,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58934 states. [2024-11-08 15:55:14,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58934 to 47919. [2024-11-08 15:55:14,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47919 states, 47918 states have (on average 1.1996953128260779) internal successors, (57487), 47918 states have internal predecessors, (57487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:14,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47919 states to 47919 states and 57487 transitions. [2024-11-08 15:55:14,420 INFO L78 Accepts]: Start accepts. Automaton has 47919 states and 57487 transitions. Word has length 105 [2024-11-08 15:55:14,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:14,421 INFO L471 AbstractCegarLoop]: Abstraction has 47919 states and 57487 transitions. [2024-11-08 15:55:14,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:14,421 INFO L276 IsEmpty]: Start isEmpty. Operand 47919 states and 57487 transitions. [2024-11-08 15:55:14,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 15:55:14,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:14,428 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:55:14,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-08 15:55:14,428 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:55:14,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:14,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1516488219, now seen corresponding path program 1 times [2024-11-08 15:55:14,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:14,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669399751] [2024-11-08 15:55:14,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:14,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:14,750 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:14,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:14,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669399751] [2024-11-08 15:55:14,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669399751] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:55:14,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741867514] [2024-11-08 15:55:14,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:14,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:55:14,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:55:14,753 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:55:14,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 15:55:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:14,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 15:55:15,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:55:15,639 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:15,639 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:55:16,387 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:16,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741867514] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:55:16,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:55:16,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 15] total 34 [2024-11-08 15:55:16,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779199073] [2024-11-08 15:55:16,389 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:55:16,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-08 15:55:16,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:16,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-08 15:55:16,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1043, Unknown=0, NotChecked=0, Total=1190 [2024-11-08 15:55:16,391 INFO L87 Difference]: Start difference. First operand 47919 states and 57487 transitions. Second operand has 35 states, 35 states have (on average 8.257142857142858) internal successors, (289), 34 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:25,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:25,592 INFO L93 Difference]: Finished difference Result 229762 states and 273292 transitions. [2024-11-08 15:55:25,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2024-11-08 15:55:25,593 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 8.257142857142858) internal successors, (289), 34 states have internal predecessors, (289), 0 states have call successors, (0), 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 105 [2024-11-08 15:55:25,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:25,908 INFO L225 Difference]: With dead ends: 229762 [2024-11-08 15:55:25,908 INFO L226 Difference]: Without dead ends: 201136 [2024-11-08 15:55:25,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 183 SyntacticMatches, 1 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15732 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=6467, Invalid=37005, Unknown=0, NotChecked=0, Total=43472 [2024-11-08 15:55:25,982 INFO L432 NwaCegarLoop]: 525 mSDtfsCounter, 8289 mSDsluCounter, 9546 mSDsCounter, 0 mSdLazyCounter, 9716 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8289 SdHoareTripleChecker+Valid, 10071 SdHoareTripleChecker+Invalid, 9890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 9716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:25,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8289 Valid, 10071 Invalid, 9890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 9716 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-08 15:55:26,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201136 states. [2024-11-08 15:55:27,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201136 to 76349. [2024-11-08 15:55:27,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76349 states, 76348 states have (on average 1.1973201655577095) internal successors, (91413), 76348 states have internal predecessors, (91413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:27,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76349 states to 76349 states and 91413 transitions. [2024-11-08 15:55:27,693 INFO L78 Accepts]: Start accepts. Automaton has 76349 states and 91413 transitions. Word has length 105 [2024-11-08 15:55:27,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:27,693 INFO L471 AbstractCegarLoop]: Abstraction has 76349 states and 91413 transitions. [2024-11-08 15:55:27,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 8.257142857142858) internal successors, (289), 34 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:27,693 INFO L276 IsEmpty]: Start isEmpty. Operand 76349 states and 91413 transitions. [2024-11-08 15:55:27,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 15:55:27,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:27,704 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:55:27,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 15:55:27,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:55:27,905 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:55:27,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:27,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1998757435, now seen corresponding path program 1 times [2024-11-08 15:55:27,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:27,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643103941] [2024-11-08 15:55:27,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:27,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:28,516 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:28,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:28,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643103941] [2024-11-08 15:55:28,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643103941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:28,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:28,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:28,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573234420] [2024-11-08 15:55:28,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:28,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:28,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:28,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:28,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:28,519 INFO L87 Difference]: Start difference. First operand 76349 states and 91413 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:28,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:28,826 INFO L93 Difference]: Finished difference Result 142055 states and 170282 transitions. [2024-11-08 15:55:28,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:28,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2024-11-08 15:55:28,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:28,962 INFO L225 Difference]: With dead ends: 142055 [2024-11-08 15:55:28,962 INFO L226 Difference]: Without dead ends: 112153 [2024-11-08 15:55:29,007 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 [2024-11-08 15:55:29,008 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 180 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:29,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 1056 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:55:29,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112153 states. [2024-11-08 15:55:30,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112153 to 77203. [2024-11-08 15:55:30,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77203 states, 77202 states have (on average 1.1883759488096164) internal successors, (91745), 77202 states have internal predecessors, (91745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:30,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77203 states to 77203 states and 91745 transitions. [2024-11-08 15:55:30,438 INFO L78 Accepts]: Start accepts. Automaton has 77203 states and 91745 transitions. Word has length 105 [2024-11-08 15:55:30,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:30,438 INFO L471 AbstractCegarLoop]: Abstraction has 77203 states and 91745 transitions. [2024-11-08 15:55:30,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:30,438 INFO L276 IsEmpty]: Start isEmpty. Operand 77203 states and 91745 transitions. [2024-11-08 15:55:30,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 15:55:30,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:30,449 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:55:30,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-08 15:55:30,449 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:55:30,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:30,449 INFO L85 PathProgramCache]: Analyzing trace with hash 502907426, now seen corresponding path program 1 times [2024-11-08 15:55:30,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:30,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947533427] [2024-11-08 15:55:30,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:30,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:30,692 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 15:55:30,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:30,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947533427] [2024-11-08 15:55:30,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947533427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:30,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:30,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 15:55:30,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389782591] [2024-11-08 15:55:30,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:30,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:55:30,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:30,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:55:30,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:55:30,694 INFO L87 Difference]: Start difference. First operand 77203 states and 91745 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:31,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:31,597 INFO L93 Difference]: Finished difference Result 104988 states and 124694 transitions. [2024-11-08 15:55:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 15:55:31,598 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 105 [2024-11-08 15:55:31,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:31,689 INFO L225 Difference]: With dead ends: 104988 [2024-11-08 15:55:31,690 INFO L226 Difference]: Without dead ends: 82647 [2024-11-08 15:55:31,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2024-11-08 15:55:31,729 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 1287 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1287 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:31,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1287 Valid, 1357 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1013 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 15:55:31,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82647 states. [2024-11-08 15:55:32,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82647 to 77203. [2024-11-08 15:55:32,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77203 states, 77202 states have (on average 1.1883500427450067) internal successors, (91743), 77202 states have internal predecessors, (91743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:32,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77203 states to 77203 states and 91743 transitions. [2024-11-08 15:55:32,617 INFO L78 Accepts]: Start accepts. Automaton has 77203 states and 91743 transitions. Word has length 105 [2024-11-08 15:55:32,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:32,617 INFO L471 AbstractCegarLoop]: Abstraction has 77203 states and 91743 transitions. [2024-11-08 15:55:32,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:32,617 INFO L276 IsEmpty]: Start isEmpty. Operand 77203 states and 91743 transitions. [2024-11-08 15:55:32,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 15:55:32,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:32,627 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:55:32,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-08 15:55:32,627 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:55:32,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:32,627 INFO L85 PathProgramCache]: Analyzing trace with hash -902844599, now seen corresponding path program 1 times [2024-11-08 15:55:32,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:32,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323201553] [2024-11-08 15:55:32,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:32,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:32,690 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 15:55:32,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:32,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323201553] [2024-11-08 15:55:32,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323201553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:32,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:32,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:55:32,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171520239] [2024-11-08 15:55:32,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:32,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 15:55:32,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:32,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 15:55:32,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:55:32,692 INFO L87 Difference]: Start difference. First operand 77203 states and 91743 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:33,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:33,147 INFO L93 Difference]: Finished difference Result 122675 states and 145627 transitions. [2024-11-08 15:55:33,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 15:55:33,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 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 107 [2024-11-08 15:55:33,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:33,260 INFO L225 Difference]: With dead ends: 122675 [2024-11-08 15:55:33,260 INFO L226 Difference]: Without dead ends: 104130 [2024-11-08 15:55:33,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:55:33,295 INFO L432 NwaCegarLoop]: 461 mSDtfsCounter, 354 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1020 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:33,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1020 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 15:55:33,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104130 states. [2024-11-08 15:55:34,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104130 to 86427. [2024-11-08 15:55:34,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86427 states, 86426 states have (on average 1.1892833175201907) internal successors, (102785), 86426 states have internal predecessors, (102785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:34,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86427 states to 86427 states and 102785 transitions. [2024-11-08 15:55:34,417 INFO L78 Accepts]: Start accepts. Automaton has 86427 states and 102785 transitions. Word has length 107 [2024-11-08 15:55:34,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:34,417 INFO L471 AbstractCegarLoop]: Abstraction has 86427 states and 102785 transitions. [2024-11-08 15:55:34,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:34,417 INFO L276 IsEmpty]: Start isEmpty. Operand 86427 states and 102785 transitions. [2024-11-08 15:55:34,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 15:55:34,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:34,427 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-08 15:55:34,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-08 15:55:34,428 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:55:34,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:34,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1493592392, now seen corresponding path program 1 times [2024-11-08 15:55:34,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:34,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958692922] [2024-11-08 15:55:34,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:34,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:35,031 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:35,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:35,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958692922] [2024-11-08 15:55:35,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958692922] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:55:35,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992400948] [2024-11-08 15:55:35,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:35,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:55:35,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:55:35,033 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:55:35,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 15:55:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:35,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 15:55:35,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:55:36,273 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:36,273 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:55:37,028 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:37,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992400948] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:55:37,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:55:37,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 26 [2024-11-08 15:55:37,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175950635] [2024-11-08 15:55:37,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:55:37,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-08 15:55:37,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:37,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-08 15:55:37,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2024-11-08 15:55:37,030 INFO L87 Difference]: Start difference. First operand 86427 states and 102785 transitions. Second operand has 26 states, 26 states have (on average 10.153846153846153) internal successors, (264), 26 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)