./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 afa96f494675daaffb7cf8ecfbe30f06e1bb06b9219ecf3df6181ac4e4f076f6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 03:40:19,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 03:40:19,739 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 03:40:19,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 03:40:19,743 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 03:40:19,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 03:40:19,771 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 03:40:19,771 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 03:40:19,772 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 03:40:19,774 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 03:40:19,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 03:40:19,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 03:40:19,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 03:40:19,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 03:40:19,777 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 03:40:19,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 03:40:19,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 03:40:19,778 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 03:40:19,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 03:40:19,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 03:40:19,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 03:40:19,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 03:40:19,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 03:40:19,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 03:40:19,783 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 03:40:19,783 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 03:40:19,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 03:40:19,784 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 03:40:19,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 03:40:19,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 03:40:19,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 03:40:19,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 03:40:19,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 03:40:19,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 03:40:19,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 03:40:19,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 03:40:19,786 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 03:40:19,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 03:40:19,786 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 03:40:19,786 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 03:40:19,787 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 03:40:19,787 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 03:40:19,787 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afa96f494675daaffb7cf8ecfbe30f06e1bb06b9219ecf3df6181ac4e4f076f6 [2024-10-11 03:40:20,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 03:40:20,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 03:40:20,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 03:40:20,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 03:40:20,081 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 03:40:20,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2024-10-11 03:40:21,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 03:40:21,984 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 03:40:21,985 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2024-10-11 03:40:22,022 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5c62ecc35/1f7ec1e0f5ab47cda7f507487ac1bd4b/FLAG4e1c46888 [2024-10-11 03:40:22,041 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/5c62ecc35/1f7ec1e0f5ab47cda7f507487ac1bd4b [2024-10-11 03:40:22,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 03:40:22,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 03:40:22,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 03:40:22,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 03:40:22,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 03:40:22,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:40:22" (1/1) ... [2024-10-11 03:40:22,056 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@392c4de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:40:22, skipping insertion in model container [2024-10-11 03:40:22,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:40:22" (1/1) ... [2024-10-11 03:40:22,175 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 03:40:22,612 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12460,12473] [2024-10-11 03:40:22,678 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[19746,19759] [2024-10-11 03:40:22,724 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[22098,22111] [2024-10-11 03:40:22,730 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23218,23231] [2024-10-11 03:40:22,776 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[26768,26781] [2024-10-11 03:40:22,784 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[27891,27904] [2024-10-11 03:40:22,802 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[30206,30219] [2024-10-11 03:40:23,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 03:40:23,191 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 03:40:23,248 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12460,12473] [2024-10-11 03:40:23,277 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[19746,19759] [2024-10-11 03:40:23,292 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[22098,22111] [2024-10-11 03:40:23,298 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23218,23231] [2024-10-11 03:40:23,317 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[26768,26781] [2024-10-11 03:40:23,323 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[27891,27904] [2024-10-11 03:40:23,337 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[30206,30219] [2024-10-11 03:40:23,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 03:40:23,671 INFO L204 MainTranslator]: Completed translation [2024-10-11 03:40:23,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:40:23 WrapperNode [2024-10-11 03:40:23,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 03:40:23,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 03:40:23,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 03:40:23,673 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 03:40:23,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:40:23" (1/1) ... [2024-10-11 03:40:23,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:40:23" (1/1) ... [2024-10-11 03:40:23,871 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 7679 [2024-10-11 03:40:23,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 03:40:23,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 03:40:23,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 03:40:23,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 03:40:23,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:40:23" (1/1) ... [2024-10-11 03:40:23,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:40:23" (1/1) ... [2024-10-11 03:40:23,919 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:40:23" (1/1) ... [2024-10-11 03:40:23,983 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 03:40:23,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:40:23" (1/1) ... [2024-10-11 03:40:23,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:40:23" (1/1) ... [2024-10-11 03:40:24,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:40:23" (1/1) ... [2024-10-11 03:40:24,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:40:23" (1/1) ... [2024-10-11 03:40:24,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:40:23" (1/1) ... [2024-10-11 03:40:24,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:40:23" (1/1) ... [2024-10-11 03:40:24,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 03:40:24,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 03:40:24,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 03:40:24,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 03:40:24,241 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:40:23" (1/1) ... [2024-10-11 03:40:24,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 03:40:24,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 03:40:24,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 03:40:24,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 03:40:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 03:40:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 03:40:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 03:40:24,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 03:40:24,710 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 03:40:24,713 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 03:40:28,013 INFO L? ?]: Removed 1280 outVars from TransFormulas that were not future-live. [2024-10-11 03:40:28,014 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 03:40:28,097 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 03:40:28,098 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 03:40:28,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:40:28 BoogieIcfgContainer [2024-10-11 03:40:28,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 03:40:28,101 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 03:40:28,101 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 03:40:28,104 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 03:40:28,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:40:22" (1/3) ... [2024-10-11 03:40:28,105 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41cf81ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:40:28, skipping insertion in model container [2024-10-11 03:40:28,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:40:23" (2/3) ... [2024-10-11 03:40:28,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41cf81ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:40:28, skipping insertion in model container [2024-10-11 03:40:28,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:40:28" (3/3) ... [2024-10-11 03:40:28,107 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2024-10-11 03:40:28,120 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 03:40:28,121 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-10-11 03:40:28,219 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 03:40:28,226 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;@4cf348fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 03:40:28,226 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-11 03:40:28,239 INFO L276 IsEmpty]: Start isEmpty. Operand has 1104 states, 1096 states have (on average 1.8868613138686132) internal successors, (2068), 1103 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:28,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-11 03:40:28,264 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:28,265 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:28,266 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:28,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:28,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1184813438, now seen corresponding path program 1 times [2024-10-11 03:40:28,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:28,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256121581] [2024-10-11 03:40:28,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:28,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:28,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:28,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256121581] [2024-10-11 03:40:28,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256121581] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:28,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:28,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:40:28,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324201313] [2024-10-11 03:40:28,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:28,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:40:28,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:28,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:40:28,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:28,880 INFO L87 Difference]: Start difference. First operand has 1104 states, 1096 states have (on average 1.8868613138686132) internal successors, (2068), 1103 states have internal predecessors, (2068), 0 states have call successors, (0), 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 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:29,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:29,160 INFO L93 Difference]: Finished difference Result 1461 states and 2647 transitions. [2024-10-11 03:40:29,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:40:29,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-10-11 03:40:29,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:29,192 INFO L225 Difference]: With dead ends: 1461 [2024-10-11 03:40:29,193 INFO L226 Difference]: Without dead ends: 1287 [2024-10-11 03:40:29,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:29,203 INFO L432 NwaCegarLoop]: 2049 mSDtfsCounter, 968 mSDsluCounter, 1273 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 968 SdHoareTripleChecker+Valid, 3322 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:29,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [968 Valid, 3322 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 03:40:29,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2024-10-11 03:40:29,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1279. [2024-10-11 03:40:29,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1279 states, 1272 states have (on average 1.3168238993710693) internal successors, (1675), 1278 states have internal predecessors, (1675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:29,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1675 transitions. [2024-10-11 03:40:29,324 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1675 transitions. Word has length 63 [2024-10-11 03:40:29,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:29,325 INFO L471 AbstractCegarLoop]: Abstraction has 1279 states and 1675 transitions. [2024-10-11 03:40:29,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:29,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1675 transitions. [2024-10-11 03:40:29,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-11 03:40:29,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:29,329 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:29,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 03:40:29,329 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:29,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:29,330 INFO L85 PathProgramCache]: Analyzing trace with hash 2003436219, now seen corresponding path program 1 times [2024-10-11 03:40:29,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:29,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927789870] [2024-10-11 03:40:29,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:29,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:29,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:29,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:29,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927789870] [2024-10-11 03:40:29,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927789870] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:29,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:29,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:40:29,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746208590] [2024-10-11 03:40:29,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:29,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:40:29,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:29,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:40:29,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:29,510 INFO L87 Difference]: Start difference. First operand 1279 states and 1675 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:29,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:29,604 INFO L93 Difference]: Finished difference Result 1929 states and 2621 transitions. [2024-10-11 03:40:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:40:29,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-10-11 03:40:29,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:29,612 INFO L225 Difference]: With dead ends: 1929 [2024-10-11 03:40:29,613 INFO L226 Difference]: Without dead ends: 1575 [2024-10-11 03:40:29,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:29,617 INFO L432 NwaCegarLoop]: 1422 mSDtfsCounter, 717 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 2313 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:29,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 2313 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:40:29,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2024-10-11 03:40:29,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1567. [2024-10-11 03:40:29,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1567 states, 1560 states have (on average 1.3403846153846153) internal successors, (2091), 1566 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:29,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 2091 transitions. [2024-10-11 03:40:29,662 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 2091 transitions. Word has length 63 [2024-10-11 03:40:29,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:29,663 INFO L471 AbstractCegarLoop]: Abstraction has 1567 states and 2091 transitions. [2024-10-11 03:40:29,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:29,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2091 transitions. [2024-10-11 03:40:29,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-11 03:40:29,666 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:29,666 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:29,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 03:40:29,667 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:29,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:29,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1542392687, now seen corresponding path program 1 times [2024-10-11 03:40:29,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:29,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731599473] [2024-10-11 03:40:29,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:29,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:29,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:29,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:29,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731599473] [2024-10-11 03:40:29,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731599473] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:29,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:29,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 03:40:29,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334920500] [2024-10-11 03:40:29,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:29,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 03:40:29,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:29,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 03:40:29,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 03:40:29,914 INFO L87 Difference]: Start difference. First operand 1567 states and 2091 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:30,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:30,602 INFO L93 Difference]: Finished difference Result 3045 states and 4187 transitions. [2024-10-11 03:40:30,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 03:40:30,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-10-11 03:40:30,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:30,610 INFO L225 Difference]: With dead ends: 3045 [2024-10-11 03:40:30,610 INFO L226 Difference]: Without dead ends: 1786 [2024-10-11 03:40:30,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:40:30,613 INFO L432 NwaCegarLoop]: 677 mSDtfsCounter, 3665 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3665 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:30,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3665 Valid, 833 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 03:40:30,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1786 states. [2024-10-11 03:40:30,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1786 to 1778. [2024-10-11 03:40:30,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1778 states, 1771 states have (on average 1.3879164313946923) internal successors, (2458), 1777 states have internal predecessors, (2458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:30,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1778 states and 2458 transitions. [2024-10-11 03:40:30,655 INFO L78 Accepts]: Start accepts. Automaton has 1778 states and 2458 transitions. Word has length 63 [2024-10-11 03:40:30,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:30,655 INFO L471 AbstractCegarLoop]: Abstraction has 1778 states and 2458 transitions. [2024-10-11 03:40:30,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:30,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2458 transitions. [2024-10-11 03:40:30,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-11 03:40:30,658 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:30,658 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:30,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 03:40:30,659 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:30,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:30,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1152487412, now seen corresponding path program 1 times [2024-10-11 03:40:30,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:30,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454968415] [2024-10-11 03:40:30,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:30,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:30,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:30,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:30,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454968415] [2024-10-11 03:40:30,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454968415] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:30,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:30,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:40:30,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814302332] [2024-10-11 03:40:30,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:30,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:40:30,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:30,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:40:30,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:30,782 INFO L87 Difference]: Start difference. First operand 1778 states and 2458 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:30,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:30,838 INFO L93 Difference]: Finished difference Result 4128 states and 5822 transitions. [2024-10-11 03:40:30,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:40:30,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-10-11 03:40:30,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:30,850 INFO L225 Difference]: With dead ends: 4128 [2024-10-11 03:40:30,851 INFO L226 Difference]: Without dead ends: 2952 [2024-10-11 03:40:30,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:30,857 INFO L432 NwaCegarLoop]: 1420 mSDtfsCounter, 897 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 2138 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:30,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 2138 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:40:30,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2952 states. [2024-10-11 03:40:30,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2952 to 2940. [2024-10-11 03:40:30,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2940 states, 2933 states have (on average 1.3897033753835664) internal successors, (4076), 2939 states have internal predecessors, (4076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:30,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2940 states and 4076 transitions. [2024-10-11 03:40:30,923 INFO L78 Accepts]: Start accepts. Automaton has 2940 states and 4076 transitions. Word has length 64 [2024-10-11 03:40:30,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:30,925 INFO L471 AbstractCegarLoop]: Abstraction has 2940 states and 4076 transitions. [2024-10-11 03:40:30,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 4076 transitions. [2024-10-11 03:40:30,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-11 03:40:30,930 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:30,930 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:30,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 03:40:30,931 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:30,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:30,931 INFO L85 PathProgramCache]: Analyzing trace with hash -998210018, now seen corresponding path program 1 times [2024-10-11 03:40:30,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:30,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383832774] [2024-10-11 03:40:30,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:30,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:31,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:31,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:31,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383832774] [2024-10-11 03:40:31,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383832774] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:31,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:31,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 03:40:31,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229540737] [2024-10-11 03:40:31,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:31,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 03:40:31,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:31,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 03:40:31,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 03:40:31,113 INFO L87 Difference]: Start difference. First operand 2940 states and 4076 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:31,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:31,778 INFO L93 Difference]: Finished difference Result 5811 states and 8152 transitions. [2024-10-11 03:40:31,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 03:40:31,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-10-11 03:40:31,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:31,792 INFO L225 Difference]: With dead ends: 5811 [2024-10-11 03:40:31,792 INFO L226 Difference]: Without dead ends: 3475 [2024-10-11 03:40:31,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:40:31,798 INFO L432 NwaCegarLoop]: 567 mSDtfsCounter, 3065 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3065 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:31,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3065 Valid, 694 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 03:40:31,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3475 states. [2024-10-11 03:40:31,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3475 to 3459. [2024-10-11 03:40:31,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3459 states, 3452 states have (on average 1.3829663962920047) internal successors, (4774), 3458 states have internal predecessors, (4774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:31,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 3459 states and 4774 transitions. [2024-10-11 03:40:31,888 INFO L78 Accepts]: Start accepts. Automaton has 3459 states and 4774 transitions. Word has length 64 [2024-10-11 03:40:31,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:31,889 INFO L471 AbstractCegarLoop]: Abstraction has 3459 states and 4774 transitions. [2024-10-11 03:40:31,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:31,890 INFO L276 IsEmpty]: Start isEmpty. Operand 3459 states and 4774 transitions. [2024-10-11 03:40:31,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-11 03:40:31,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:31,894 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:31,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 03:40:31,894 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:31,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:31,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1760122824, now seen corresponding path program 1 times [2024-10-11 03:40:31,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:31,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774169583] [2024-10-11 03:40:31,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:31,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:32,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:32,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:32,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774169583] [2024-10-11 03:40:32,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774169583] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:32,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:32,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 03:40:32,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879010471] [2024-10-11 03:40:32,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:32,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 03:40:32,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:32,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 03:40:32,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 03:40:32,096 INFO L87 Difference]: Start difference. First operand 3459 states and 4774 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:32,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:32,626 INFO L93 Difference]: Finished difference Result 7376 states and 10335 transitions. [2024-10-11 03:40:32,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 03:40:32,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-10-11 03:40:32,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:32,646 INFO L225 Difference]: With dead ends: 7376 [2024-10-11 03:40:32,647 INFO L226 Difference]: Without dead ends: 4350 [2024-10-11 03:40:32,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:40:32,653 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 2811 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2811 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:32,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2811 Valid, 662 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 03:40:32,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4350 states. [2024-10-11 03:40:32,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4350 to 4330. [2024-10-11 03:40:32,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4330 states, 4323 states have (on average 1.3930141105713625) internal successors, (6022), 4329 states have internal predecessors, (6022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:32,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4330 states to 4330 states and 6022 transitions. [2024-10-11 03:40:32,738 INFO L78 Accepts]: Start accepts. Automaton has 4330 states and 6022 transitions. Word has length 64 [2024-10-11 03:40:32,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:32,739 INFO L471 AbstractCegarLoop]: Abstraction has 4330 states and 6022 transitions. [2024-10-11 03:40:32,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:32,739 INFO L276 IsEmpty]: Start isEmpty. Operand 4330 states and 6022 transitions. [2024-10-11 03:40:32,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-11 03:40:32,743 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:32,743 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:32,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 03:40:32,744 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:32,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:32,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1332635061, now seen corresponding path program 1 times [2024-10-11 03:40:32,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:32,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123601987] [2024-10-11 03:40:32,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:32,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:32,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:32,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:32,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123601987] [2024-10-11 03:40:32,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123601987] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:32,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:32,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 03:40:32,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012664943] [2024-10-11 03:40:32,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:32,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 03:40:32,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:32,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 03:40:32,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 03:40:32,889 INFO L87 Difference]: Start difference. First operand 4330 states and 6022 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:33,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:33,324 INFO L93 Difference]: Finished difference Result 11213 states and 15834 transitions. [2024-10-11 03:40:33,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 03:40:33,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-10-11 03:40:33,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:33,349 INFO L225 Difference]: With dead ends: 11213 [2024-10-11 03:40:33,350 INFO L226 Difference]: Without dead ends: 7121 [2024-10-11 03:40:33,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:40:33,359 INFO L432 NwaCegarLoop]: 434 mSDtfsCounter, 2473 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2473 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:33,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2473 Valid, 591 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:40:33,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7121 states. [2024-10-11 03:40:33,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7121 to 7113. [2024-10-11 03:40:33,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7113 states, 7106 states have (on average 1.4081058260624824) internal successors, (10006), 7112 states have internal predecessors, (10006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:33,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7113 states to 7113 states and 10006 transitions. [2024-10-11 03:40:33,509 INFO L78 Accepts]: Start accepts. Automaton has 7113 states and 10006 transitions. Word has length 65 [2024-10-11 03:40:33,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:33,510 INFO L471 AbstractCegarLoop]: Abstraction has 7113 states and 10006 transitions. [2024-10-11 03:40:33,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:33,510 INFO L276 IsEmpty]: Start isEmpty. Operand 7113 states and 10006 transitions. [2024-10-11 03:40:33,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-11 03:40:33,515 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:33,515 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:33,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 03:40:33,516 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:33,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:33,516 INFO L85 PathProgramCache]: Analyzing trace with hash -254635222, now seen corresponding path program 1 times [2024-10-11 03:40:33,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:33,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804438365] [2024-10-11 03:40:33,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:33,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:33,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:33,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:33,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804438365] [2024-10-11 03:40:33,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804438365] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:33,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:33,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:40:33,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932004052] [2024-10-11 03:40:33,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:33,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:40:33,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:33,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:40:33,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:33,606 INFO L87 Difference]: Start difference. First operand 7113 states and 10006 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:33,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:33,689 INFO L93 Difference]: Finished difference Result 15733 states and 22227 transitions. [2024-10-11 03:40:33,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:40:33,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-10-11 03:40:33,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:33,724 INFO L225 Difference]: With dead ends: 15733 [2024-10-11 03:40:33,725 INFO L226 Difference]: Without dead ends: 9781 [2024-10-11 03:40:33,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:33,738 INFO L432 NwaCegarLoop]: 836 mSDtfsCounter, 499 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:33,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 1361 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:40:33,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9781 states. [2024-10-11 03:40:33,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9781 to 9737. [2024-10-11 03:40:33,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9737 states, 9730 states have (on average 1.3830421377183968) internal successors, (13457), 9736 states have internal predecessors, (13457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:33,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9737 states to 9737 states and 13457 transitions. [2024-10-11 03:40:33,909 INFO L78 Accepts]: Start accepts. Automaton has 9737 states and 13457 transitions. Word has length 66 [2024-10-11 03:40:33,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:33,910 INFO L471 AbstractCegarLoop]: Abstraction has 9737 states and 13457 transitions. [2024-10-11 03:40:33,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:33,910 INFO L276 IsEmpty]: Start isEmpty. Operand 9737 states and 13457 transitions. [2024-10-11 03:40:33,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-11 03:40:33,917 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:33,918 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:33,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 03:40:33,918 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:33,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:33,919 INFO L85 PathProgramCache]: Analyzing trace with hash 2145810939, now seen corresponding path program 1 times [2024-10-11 03:40:33,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:33,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142863842] [2024-10-11 03:40:33,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:33,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:34,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:34,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:34,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142863842] [2024-10-11 03:40:34,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142863842] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:34,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:34,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 03:40:34,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410107958] [2024-10-11 03:40:34,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:34,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 03:40:34,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:34,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 03:40:34,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:40:34,160 INFO L87 Difference]: Start difference. First operand 9737 states and 13457 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:34,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:34,823 INFO L93 Difference]: Finished difference Result 27451 states and 38509 transitions. [2024-10-11 03:40:34,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 03:40:34,824 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-11 03:40:34,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:34,876 INFO L225 Difference]: With dead ends: 27451 [2024-10-11 03:40:34,876 INFO L226 Difference]: Without dead ends: 23800 [2024-10-11 03:40:34,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-11 03:40:34,893 INFO L432 NwaCegarLoop]: 431 mSDtfsCounter, 3231 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3231 SdHoareTripleChecker+Valid, 1120 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:34,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3231 Valid, 1120 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 03:40:34,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23800 states. [2024-10-11 03:40:35,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23800 to 9805. [2024-10-11 03:40:35,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9805 states, 9798 states have (on average 1.3824249846907533) internal successors, (13545), 9804 states have internal predecessors, (13545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:35,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9805 states to 9805 states and 13545 transitions. [2024-10-11 03:40:35,193 INFO L78 Accepts]: Start accepts. Automaton has 9805 states and 13545 transitions. Word has length 67 [2024-10-11 03:40:35,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:35,195 INFO L471 AbstractCegarLoop]: Abstraction has 9805 states and 13545 transitions. [2024-10-11 03:40:35,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:35,196 INFO L276 IsEmpty]: Start isEmpty. Operand 9805 states and 13545 transitions. [2024-10-11 03:40:35,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-11 03:40:35,204 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:35,204 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:35,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 03:40:35,205 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:35,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:35,209 INFO L85 PathProgramCache]: Analyzing trace with hash -2044326195, now seen corresponding path program 1 times [2024-10-11 03:40:35,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:35,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754158624] [2024-10-11 03:40:35,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:35,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:35,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:35,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:35,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754158624] [2024-10-11 03:40:35,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754158624] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:35,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:35,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 03:40:35,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175446955] [2024-10-11 03:40:35,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:35,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 03:40:35,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:35,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 03:40:35,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:40:35,460 INFO L87 Difference]: Start difference. First operand 9805 states and 13545 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:36,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:36,094 INFO L93 Difference]: Finished difference Result 26124 states and 36561 transitions. [2024-10-11 03:40:36,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 03:40:36,094 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-11 03:40:36,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:36,130 INFO L225 Difference]: With dead ends: 26124 [2024-10-11 03:40:36,130 INFO L226 Difference]: Without dead ends: 21482 [2024-10-11 03:40:36,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-11 03:40:36,146 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 3135 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3135 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:36,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3135 Valid, 1102 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 03:40:36,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21482 states. [2024-10-11 03:40:36,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21482 to 9961. [2024-10-11 03:40:36,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9961 states, 9954 states have (on average 1.3814546915812738) internal successors, (13751), 9960 states have internal predecessors, (13751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:36,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9961 states to 9961 states and 13751 transitions. [2024-10-11 03:40:36,388 INFO L78 Accepts]: Start accepts. Automaton has 9961 states and 13751 transitions. Word has length 67 [2024-10-11 03:40:36,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:36,389 INFO L471 AbstractCegarLoop]: Abstraction has 9961 states and 13751 transitions. [2024-10-11 03:40:36,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:36,389 INFO L276 IsEmpty]: Start isEmpty. Operand 9961 states and 13751 transitions. [2024-10-11 03:40:36,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-11 03:40:36,396 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:36,397 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:36,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 03:40:36,397 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:36,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:36,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1189983517, now seen corresponding path program 1 times [2024-10-11 03:40:36,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:36,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010486141] [2024-10-11 03:40:36,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:36,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:36,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:36,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010486141] [2024-10-11 03:40:36,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010486141] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:36,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:36,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 03:40:36,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223172401] [2024-10-11 03:40:36,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:36,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 03:40:36,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:36,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 03:40:36,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:40:36,625 INFO L87 Difference]: Start difference. First operand 9961 states and 13751 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:37,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:37,367 INFO L93 Difference]: Finished difference Result 23556 states and 32839 transitions. [2024-10-11 03:40:37,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 03:40:37,368 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-11 03:40:37,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:37,396 INFO L225 Difference]: With dead ends: 23556 [2024-10-11 03:40:37,397 INFO L226 Difference]: Without dead ends: 19280 [2024-10-11 03:40:37,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-11 03:40:37,411 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 3058 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3058 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:37,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3058 Valid, 1083 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 03:40:37,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19280 states. [2024-10-11 03:40:37,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19280 to 10032. [2024-10-11 03:40:37,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10032 states, 10025 states have (on average 1.3815461346633418) internal successors, (13850), 10031 states have internal predecessors, (13850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:37,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 10032 states and 13850 transitions. [2024-10-11 03:40:37,645 INFO L78 Accepts]: Start accepts. Automaton has 10032 states and 13850 transitions. Word has length 67 [2024-10-11 03:40:37,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:37,646 INFO L471 AbstractCegarLoop]: Abstraction has 10032 states and 13850 transitions. [2024-10-11 03:40:37,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:37,646 INFO L276 IsEmpty]: Start isEmpty. Operand 10032 states and 13850 transitions. [2024-10-11 03:40:37,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-11 03:40:37,654 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:37,654 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:37,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 03:40:37,655 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:37,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:37,656 INFO L85 PathProgramCache]: Analyzing trace with hash -92881536, now seen corresponding path program 1 times [2024-10-11 03:40:37,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:37,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276969227] [2024-10-11 03:40:37,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:37,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:37,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:37,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:37,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276969227] [2024-10-11 03:40:37,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276969227] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:37,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:37,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 03:40:37,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109816145] [2024-10-11 03:40:37,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:37,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 03:40:37,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:37,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 03:40:37,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:40:37,836 INFO L87 Difference]: Start difference. First operand 10032 states and 13850 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:38,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:38,374 INFO L93 Difference]: Finished difference Result 21344 states and 29648 transitions. [2024-10-11 03:40:38,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 03:40:38,374 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-10-11 03:40:38,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:38,395 INFO L225 Difference]: With dead ends: 21344 [2024-10-11 03:40:38,395 INFO L226 Difference]: Without dead ends: 16602 [2024-10-11 03:40:38,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-11 03:40:38,409 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 2887 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2887 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:38,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2887 Valid, 1058 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 03:40:38,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16602 states. [2024-10-11 03:40:38,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16602 to 10067. [2024-10-11 03:40:38,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10067 states, 10060 states have (on average 1.3812127236580516) internal successors, (13895), 10066 states have internal predecessors, (13895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:38,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10067 states to 10067 states and 13895 transitions. [2024-10-11 03:40:38,641 INFO L78 Accepts]: Start accepts. Automaton has 10067 states and 13895 transitions. Word has length 67 [2024-10-11 03:40:38,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:38,641 INFO L471 AbstractCegarLoop]: Abstraction has 10067 states and 13895 transitions. [2024-10-11 03:40:38,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:38,642 INFO L276 IsEmpty]: Start isEmpty. Operand 10067 states and 13895 transitions. [2024-10-11 03:40:38,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-11 03:40:38,649 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:38,650 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:38,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 03:40:38,651 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:38,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:38,652 INFO L85 PathProgramCache]: Analyzing trace with hash 680595235, now seen corresponding path program 1 times [2024-10-11 03:40:38,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:38,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345212110] [2024-10-11 03:40:38,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:38,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:39,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:39,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:39,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345212110] [2024-10-11 03:40:39,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345212110] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:39,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:39,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 03:40:39,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348768927] [2024-10-11 03:40:39,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:39,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 03:40:39,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:39,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 03:40:39,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-11 03:40:39,014 INFO L87 Difference]: Start difference. First operand 10067 states and 13895 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:39,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:39,766 INFO L93 Difference]: Finished difference Result 21512 states and 30144 transitions. [2024-10-11 03:40:39,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 03:40:39,767 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-11 03:40:39,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:39,788 INFO L225 Difference]: With dead ends: 21512 [2024-10-11 03:40:39,789 INFO L226 Difference]: Without dead ends: 14379 [2024-10-11 03:40:39,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-10-11 03:40:39,802 INFO L432 NwaCegarLoop]: 421 mSDtfsCounter, 1343 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1343 SdHoareTripleChecker+Valid, 1452 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:39,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1343 Valid, 1452 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 03:40:39,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14379 states. [2024-10-11 03:40:39,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14379 to 9761. [2024-10-11 03:40:39,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9761 states, 9754 states have (on average 1.380151732622514) internal successors, (13462), 9760 states have internal predecessors, (13462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:40,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9761 states to 9761 states and 13462 transitions. [2024-10-11 03:40:40,006 INFO L78 Accepts]: Start accepts. Automaton has 9761 states and 13462 transitions. Word has length 68 [2024-10-11 03:40:40,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:40,006 INFO L471 AbstractCegarLoop]: Abstraction has 9761 states and 13462 transitions. [2024-10-11 03:40:40,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:40,007 INFO L276 IsEmpty]: Start isEmpty. Operand 9761 states and 13462 transitions. [2024-10-11 03:40:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-11 03:40:40,017 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:40,017 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] [2024-10-11 03:40:40,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 03:40:40,018 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:40,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:40,018 INFO L85 PathProgramCache]: Analyzing trace with hash 718017329, now seen corresponding path program 1 times [2024-10-11 03:40:40,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:40,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515322416] [2024-10-11 03:40:40,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:40,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:40,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:40,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:40,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515322416] [2024-10-11 03:40:40,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515322416] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:40,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:40,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:40:40,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520722861] [2024-10-11 03:40:40,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:40,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:40:40,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:40,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:40:40,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:40:40,350 INFO L87 Difference]: Start difference. First operand 9761 states and 13462 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:41,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:41,081 INFO L93 Difference]: Finished difference Result 20048 states and 28029 transitions. [2024-10-11 03:40:41,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 03:40:41,082 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-11 03:40:41,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:41,096 INFO L225 Difference]: With dead ends: 20048 [2024-10-11 03:40:41,097 INFO L226 Difference]: Without dead ends: 13373 [2024-10-11 03:40:41,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-11 03:40:41,105 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 1651 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 1088 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1651 SdHoareTripleChecker+Valid, 1798 SdHoareTripleChecker+Invalid, 1113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:41,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1651 Valid, 1798 Invalid, 1113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1088 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 03:40:41,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13373 states. [2024-10-11 03:40:41,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13373 to 9626. [2024-10-11 03:40:41,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9626 states, 9619 states have (on average 1.3798731676889489) internal successors, (13273), 9625 states have internal predecessors, (13273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:41,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9626 states to 9626 states and 13273 transitions. [2024-10-11 03:40:41,259 INFO L78 Accepts]: Start accepts. Automaton has 9626 states and 13273 transitions. Word has length 68 [2024-10-11 03:40:41,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:41,259 INFO L471 AbstractCegarLoop]: Abstraction has 9626 states and 13273 transitions. [2024-10-11 03:40:41,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:41,259 INFO L276 IsEmpty]: Start isEmpty. Operand 9626 states and 13273 transitions. [2024-10-11 03:40:41,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-11 03:40:41,269 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:41,269 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:41,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 03:40:41,270 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:41,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:41,270 INFO L85 PathProgramCache]: Analyzing trace with hash -2097490812, now seen corresponding path program 1 times [2024-10-11 03:40:41,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:41,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52757450] [2024-10-11 03:40:41,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:41,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:41,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:41,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:41,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52757450] [2024-10-11 03:40:41,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52757450] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:41,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:41,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:40:41,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119450130] [2024-10-11 03:40:41,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:41,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:40:41,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:41,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:40:41,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:40:41,644 INFO L87 Difference]: Start difference. First operand 9626 states and 13273 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:42,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:42,426 INFO L93 Difference]: Finished difference Result 21283 states and 29793 transitions. [2024-10-11 03:40:42,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 03:40:42,426 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-11 03:40:42,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:42,450 INFO L225 Difference]: With dead ends: 21283 [2024-10-11 03:40:42,450 INFO L226 Difference]: Without dead ends: 14832 [2024-10-11 03:40:42,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-11 03:40:42,463 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 2548 mSDsluCounter, 1441 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2548 SdHoareTripleChecker+Valid, 1916 SdHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:42,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2548 Valid, 1916 Invalid, 1208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 03:40:42,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14832 states. [2024-10-11 03:40:42,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14832 to 9602. [2024-10-11 03:40:42,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9602 states, 9595 states have (on average 1.3792600312662846) internal successors, (13234), 9601 states have internal predecessors, (13234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:42,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9602 states to 9602 states and 13234 transitions. [2024-10-11 03:40:42,610 INFO L78 Accepts]: Start accepts. Automaton has 9602 states and 13234 transitions. Word has length 68 [2024-10-11 03:40:42,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:42,610 INFO L471 AbstractCegarLoop]: Abstraction has 9602 states and 13234 transitions. [2024-10-11 03:40:42,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:42,611 INFO L276 IsEmpty]: Start isEmpty. Operand 9602 states and 13234 transitions. [2024-10-11 03:40:42,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-11 03:40:42,617 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:42,617 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:42,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 03:40:42,618 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:42,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:42,618 INFO L85 PathProgramCache]: Analyzing trace with hash 2111634662, now seen corresponding path program 1 times [2024-10-11 03:40:42,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:42,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817186] [2024-10-11 03:40:42,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:42,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:42,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:42,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817186] [2024-10-11 03:40:42,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:42,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:42,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 03:40:42,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731403362] [2024-10-11 03:40:42,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:42,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 03:40:42,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:42,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 03:40:42,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 03:40:42,998 INFO L87 Difference]: Start difference. First operand 9602 states and 13234 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:43,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:43,819 INFO L93 Difference]: Finished difference Result 21073 states and 29484 transitions. [2024-10-11 03:40:43,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 03:40:43,819 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-10-11 03:40:43,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:43,835 INFO L225 Difference]: With dead ends: 21073 [2024-10-11 03:40:43,835 INFO L226 Difference]: Without dead ends: 14649 [2024-10-11 03:40:43,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-11 03:40:43,846 INFO L432 NwaCegarLoop]: 476 mSDtfsCounter, 1480 mSDsluCounter, 1574 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 2050 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:43,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 2050 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1324 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 03:40:43,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14649 states. [2024-10-11 03:40:44,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14649 to 9590. [2024-10-11 03:40:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9590 states, 9583 states have (on average 1.378587081289784) internal successors, (13211), 9589 states have internal predecessors, (13211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:44,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9590 states to 9590 states and 13211 transitions. [2024-10-11 03:40:44,029 INFO L78 Accepts]: Start accepts. Automaton has 9590 states and 13211 transitions. Word has length 68 [2024-10-11 03:40:44,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:44,030 INFO L471 AbstractCegarLoop]: Abstraction has 9590 states and 13211 transitions. [2024-10-11 03:40:44,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:44,030 INFO L276 IsEmpty]: Start isEmpty. Operand 9590 states and 13211 transitions. [2024-10-11 03:40:44,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-11 03:40:44,036 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:44,036 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] [2024-10-11 03:40:44,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 03:40:44,037 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:44,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:44,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1885132627, now seen corresponding path program 1 times [2024-10-11 03:40:44,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:44,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053345418] [2024-10-11 03:40:44,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:44,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:44,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:44,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:44,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053345418] [2024-10-11 03:40:44,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053345418] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:44,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:44,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 03:40:44,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084338218] [2024-10-11 03:40:44,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:44,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 03:40:44,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:44,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 03:40:44,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-11 03:40:44,783 INFO L87 Difference]: Start difference. First operand 9590 states and 13211 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 11 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) [2024-10-11 03:40:45,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:45,566 INFO L93 Difference]: Finished difference Result 22969 states and 32254 transitions. [2024-10-11 03:40:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 03:40:45,567 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 11 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 [2024-10-11 03:40:45,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:45,581 INFO L225 Difference]: With dead ends: 22969 [2024-10-11 03:40:45,582 INFO L226 Difference]: Without dead ends: 16548 [2024-10-11 03:40:45,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2024-10-11 03:40:45,588 INFO L432 NwaCegarLoop]: 623 mSDtfsCounter, 2336 mSDsluCounter, 3204 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2336 SdHoareTripleChecker+Valid, 3827 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:45,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2336 Valid, 3827 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 03:40:45,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16548 states. [2024-10-11 03:40:45,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16548 to 9570. [2024-10-11 03:40:45,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9570 states, 9564 states have (on average 1.37745713090757) internal successors, (13174), 9569 states have internal predecessors, (13174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:45,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9570 states to 9570 states and 13174 transitions. [2024-10-11 03:40:45,708 INFO L78 Accepts]: Start accepts. Automaton has 9570 states and 13174 transitions. Word has length 69 [2024-10-11 03:40:45,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:45,708 INFO L471 AbstractCegarLoop]: Abstraction has 9570 states and 13174 transitions. [2024-10-11 03:40:45,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 11 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) [2024-10-11 03:40:45,709 INFO L276 IsEmpty]: Start isEmpty. Operand 9570 states and 13174 transitions. [2024-10-11 03:40:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-11 03:40:45,715 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:45,715 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] [2024-10-11 03:40:45,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 03:40:45,716 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:45,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:45,716 INFO L85 PathProgramCache]: Analyzing trace with hash -578802053, now seen corresponding path program 1 times [2024-10-11 03:40:45,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:45,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070639312] [2024-10-11 03:40:45,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:45,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:46,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:46,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:46,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070639312] [2024-10-11 03:40:46,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070639312] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:46,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:46,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 03:40:46,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950134935] [2024-10-11 03:40:46,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:46,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 03:40:46,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:46,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 03:40:46,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-11 03:40:46,350 INFO L87 Difference]: Start difference. First operand 9570 states and 13174 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 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) [2024-10-11 03:40:47,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:47,191 INFO L93 Difference]: Finished difference Result 27780 states and 38999 transitions. [2024-10-11 03:40:47,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 03:40:47,192 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 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 [2024-10-11 03:40:47,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:47,224 INFO L225 Difference]: With dead ends: 27780 [2024-10-11 03:40:47,224 INFO L226 Difference]: Without dead ends: 21103 [2024-10-11 03:40:47,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2024-10-11 03:40:47,238 INFO L432 NwaCegarLoop]: 546 mSDtfsCounter, 4609 mSDsluCounter, 2052 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4609 SdHoareTripleChecker+Valid, 2598 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:47,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4609 Valid, 2598 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 03:40:47,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21103 states. [2024-10-11 03:40:47,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21103 to 9321. [2024-10-11 03:40:47,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9321 states, 9316 states have (on average 1.375483039931301) internal successors, (12814), 9320 states have internal predecessors, (12814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:47,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9321 states to 9321 states and 12814 transitions. [2024-10-11 03:40:47,481 INFO L78 Accepts]: Start accepts. Automaton has 9321 states and 12814 transitions. Word has length 69 [2024-10-11 03:40:47,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:47,482 INFO L471 AbstractCegarLoop]: Abstraction has 9321 states and 12814 transitions. [2024-10-11 03:40:47,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 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) [2024-10-11 03:40:47,482 INFO L276 IsEmpty]: Start isEmpty. Operand 9321 states and 12814 transitions. [2024-10-11 03:40:47,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-11 03:40:47,487 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:47,488 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] [2024-10-11 03:40:47,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 03:40:47,488 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:47,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:47,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1227479287, now seen corresponding path program 1 times [2024-10-11 03:40:47,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:47,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199736865] [2024-10-11 03:40:47,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:47,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:47,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:47,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199736865] [2024-10-11 03:40:47,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199736865] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:47,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:47,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:40:47,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379764737] [2024-10-11 03:40:47,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:47,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:40:47,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:47,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:40:47,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:47,595 INFO L87 Difference]: Start difference. First operand 9321 states and 12814 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) [2024-10-11 03:40:47,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:47,650 INFO L93 Difference]: Finished difference Result 13043 states and 18006 transitions. [2024-10-11 03:40:47,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:40:47,651 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 [2024-10-11 03:40:47,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:47,663 INFO L225 Difference]: With dead ends: 13043 [2024-10-11 03:40:47,663 INFO L226 Difference]: Without dead ends: 9327 [2024-10-11 03:40:47,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:47,669 INFO L432 NwaCegarLoop]: 810 mSDtfsCounter, 428 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:47,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 1355 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:40:47,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9327 states. [2024-10-11 03:40:47,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9327 to 9321. [2024-10-11 03:40:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9321 states, 9316 states have (on average 1.3622799484757406) internal successors, (12691), 9320 states have internal predecessors, (12691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:47,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9321 states to 9321 states and 12691 transitions. [2024-10-11 03:40:47,776 INFO L78 Accepts]: Start accepts. Automaton has 9321 states and 12691 transitions. Word has length 69 [2024-10-11 03:40:47,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:47,776 INFO L471 AbstractCegarLoop]: Abstraction has 9321 states and 12691 transitions. [2024-10-11 03:40:47,776 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) [2024-10-11 03:40:47,776 INFO L276 IsEmpty]: Start isEmpty. Operand 9321 states and 12691 transitions. [2024-10-11 03:40:47,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-11 03:40:47,782 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:47,782 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] [2024-10-11 03:40:47,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 03:40:47,782 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:47,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:47,783 INFO L85 PathProgramCache]: Analyzing trace with hash -360349785, now seen corresponding path program 1 times [2024-10-11 03:40:47,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:47,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862092518] [2024-10-11 03:40:47,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:47,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:48,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:48,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:48,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862092518] [2024-10-11 03:40:48,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862092518] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:48,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:48,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 03:40:48,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557506217] [2024-10-11 03:40:48,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:48,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 03:40:48,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:48,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 03:40:48,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-11 03:40:48,379 INFO L87 Difference]: Start difference. First operand 9321 states and 12691 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 11 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) [2024-10-11 03:40:49,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:49,051 INFO L93 Difference]: Finished difference Result 18155 states and 25128 transitions. [2024-10-11 03:40:49,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 03:40:49,051 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 11 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 [2024-10-11 03:40:49,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:49,067 INFO L225 Difference]: With dead ends: 18155 [2024-10-11 03:40:49,067 INFO L226 Difference]: Without dead ends: 11363 [2024-10-11 03:40:49,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-10-11 03:40:49,077 INFO L432 NwaCegarLoop]: 544 mSDtfsCounter, 3325 mSDsluCounter, 2147 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 2691 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:49,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3325 Valid, 2691 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 03:40:49,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11363 states. [2024-10-11 03:40:49,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11363 to 8924. [2024-10-11 03:40:49,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8924 states, 8921 states have (on average 1.3636363636363635) internal successors, (12165), 8923 states have internal predecessors, (12165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8924 states to 8924 states and 12165 transitions. [2024-10-11 03:40:49,209 INFO L78 Accepts]: Start accepts. Automaton has 8924 states and 12165 transitions. Word has length 69 [2024-10-11 03:40:49,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:49,209 INFO L471 AbstractCegarLoop]: Abstraction has 8924 states and 12165 transitions. [2024-10-11 03:40:49,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 11 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) [2024-10-11 03:40:49,209 INFO L276 IsEmpty]: Start isEmpty. Operand 8924 states and 12165 transitions. [2024-10-11 03:40:49,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 03:40:49,214 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:49,214 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] [2024-10-11 03:40:49,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 03:40:49,214 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:49,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:49,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1045808869, now seen corresponding path program 1 times [2024-10-11 03:40:49,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:49,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732785605] [2024-10-11 03:40:49,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:49,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:49,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:49,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:49,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732785605] [2024-10-11 03:40:49,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732785605] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:49,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:49,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:40:49,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636475198] [2024-10-11 03:40:49,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:49,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:40:49,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:49,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:40:49,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:49,289 INFO L87 Difference]: Start difference. First operand 8924 states and 12165 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:49,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:49,415 INFO L93 Difference]: Finished difference Result 18404 states and 25334 transitions. [2024-10-11 03:40:49,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:40:49,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2024-10-11 03:40:49,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:49,433 INFO L225 Difference]: With dead ends: 18404 [2024-10-11 03:40:49,434 INFO L226 Difference]: Without dead ends: 12891 [2024-10-11 03:40:49,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:49,443 INFO L432 NwaCegarLoop]: 384 mSDtfsCounter, 381 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:49,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 526 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:40:49,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12891 states. [2024-10-11 03:40:49,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12891 to 12853. [2024-10-11 03:40:49,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12853 states, 12852 states have (on average 1.3813414254590726) internal successors, (17753), 12852 states have internal predecessors, (17753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:49,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12853 states to 12853 states and 17753 transitions. [2024-10-11 03:40:49,616 INFO L78 Accepts]: Start accepts. Automaton has 12853 states and 17753 transitions. Word has length 71 [2024-10-11 03:40:49,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:49,616 INFO L471 AbstractCegarLoop]: Abstraction has 12853 states and 17753 transitions. [2024-10-11 03:40:49,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:49,617 INFO L276 IsEmpty]: Start isEmpty. Operand 12853 states and 17753 transitions. [2024-10-11 03:40:49,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-11 03:40:49,630 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:49,630 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:49,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 03:40:49,631 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:49,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:49,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1800555164, now seen corresponding path program 1 times [2024-10-11 03:40:49,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:49,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645371586] [2024-10-11 03:40:49,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:49,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:49,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:49,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:49,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645371586] [2024-10-11 03:40:49,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645371586] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:49,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:49,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 03:40:49,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142803514] [2024-10-11 03:40:49,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:49,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 03:40:49,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:49,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 03:40:49,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 03:40:49,773 INFO L87 Difference]: Start difference. First operand 12853 states and 17753 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) [2024-10-11 03:40:50,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:50,039 INFO L93 Difference]: Finished difference Result 60275 states and 85195 transitions. [2024-10-11 03:40:50,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 03:40:50,040 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 [2024-10-11 03:40:50,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:50,117 INFO L225 Difference]: With dead ends: 60275 [2024-10-11 03:40:50,118 INFO L226 Difference]: Without dead ends: 49752 [2024-10-11 03:40:50,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-11 03:40:50,146 INFO L432 NwaCegarLoop]: 406 mSDtfsCounter, 2053 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2053 SdHoareTripleChecker+Valid, 1222 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:50,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2053 Valid, 1222 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:40:50,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49752 states. [2024-10-11 03:40:50,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49752 to 23374. [2024-10-11 03:40:50,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23374 states, 23373 states have (on average 1.3842467804731955) internal successors, (32354), 23373 states have internal predecessors, (32354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:50,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23374 states to 23374 states and 32354 transitions. [2024-10-11 03:40:50,806 INFO L78 Accepts]: Start accepts. Automaton has 23374 states and 32354 transitions. Word has length 85 [2024-10-11 03:40:50,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:50,807 INFO L471 AbstractCegarLoop]: Abstraction has 23374 states and 32354 transitions. [2024-10-11 03:40:50,807 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) [2024-10-11 03:40:50,807 INFO L276 IsEmpty]: Start isEmpty. Operand 23374 states and 32354 transitions. [2024-10-11 03:40:50,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-11 03:40:50,830 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:50,830 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:50,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 03:40:50,831 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:50,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:50,831 INFO L85 PathProgramCache]: Analyzing trace with hash -792261063, now seen corresponding path program 1 times [2024-10-11 03:40:50,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:50,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364530588] [2024-10-11 03:40:50,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:50,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:51,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:51,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:51,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364530588] [2024-10-11 03:40:51,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364530588] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:51,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:51,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 03:40:51,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475445646] [2024-10-11 03:40:51,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:51,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 03:40:51,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:51,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 03:40:51,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 03:40:51,046 INFO L87 Difference]: Start difference. First operand 23374 states and 32354 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) 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) [2024-10-11 03:40:51,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:51,326 INFO L93 Difference]: Finished difference Result 38286 states and 52890 transitions. [2024-10-11 03:40:51,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 03:40:51,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) 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 [2024-10-11 03:40:51,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:51,366 INFO L225 Difference]: With dead ends: 38286 [2024-10-11 03:40:51,366 INFO L226 Difference]: Without dead ends: 25473 [2024-10-11 03:40:51,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 03:40:51,385 INFO L432 NwaCegarLoop]: 655 mSDtfsCounter, 1365 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1365 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:51,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1365 Valid, 1333 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 03:40:51,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25473 states. [2024-10-11 03:40:51,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25473 to 18417. [2024-10-11 03:40:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18417 states, 18416 states have (on average 1.3624022589052998) internal successors, (25090), 18416 states have internal predecessors, (25090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:51,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18417 states to 18417 states and 25090 transitions. [2024-10-11 03:40:51,611 INFO L78 Accepts]: Start accepts. Automaton has 18417 states and 25090 transitions. Word has length 86 [2024-10-11 03:40:51,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:51,612 INFO L471 AbstractCegarLoop]: Abstraction has 18417 states and 25090 transitions. [2024-10-11 03:40:51,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) 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) [2024-10-11 03:40:51,612 INFO L276 IsEmpty]: Start isEmpty. Operand 18417 states and 25090 transitions. [2024-10-11 03:40:51,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-11 03:40:51,625 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:51,625 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:51,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-11 03:40:51,626 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:51,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:51,626 INFO L85 PathProgramCache]: Analyzing trace with hash -148627709, now seen corresponding path program 1 times [2024-10-11 03:40:51,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:51,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619702901] [2024-10-11 03:40:51,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:51,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:51,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:51,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:51,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619702901] [2024-10-11 03:40:51,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619702901] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:51,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:51,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:40:51,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695858921] [2024-10-11 03:40:51,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:51,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:40:51,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:51,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:40:51,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:51,771 INFO L87 Difference]: Start difference. First operand 18417 states and 25090 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:51,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:51,912 INFO L93 Difference]: Finished difference Result 49819 states and 68394 transitions. [2024-10-11 03:40:51,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:40:51,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-10-11 03:40:51,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:51,963 INFO L225 Difference]: With dead ends: 49819 [2024-10-11 03:40:51,963 INFO L226 Difference]: Without dead ends: 33543 [2024-10-11 03:40:51,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:51,992 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 155 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:51,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 883 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:40:52,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33543 states. [2024-10-11 03:40:52,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33543 to 31633. [2024-10-11 03:40:52,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31633 states, 31632 states have (on average 1.361722306525038) internal successors, (43074), 31632 states have internal predecessors, (43074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:52,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31633 states to 31633 states and 43074 transitions. [2024-10-11 03:40:52,453 INFO L78 Accepts]: Start accepts. Automaton has 31633 states and 43074 transitions. Word has length 87 [2024-10-11 03:40:52,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:52,453 INFO L471 AbstractCegarLoop]: Abstraction has 31633 states and 43074 transitions. [2024-10-11 03:40:52,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:52,453 INFO L276 IsEmpty]: Start isEmpty. Operand 31633 states and 43074 transitions. [2024-10-11 03:40:52,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-11 03:40:52,465 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:52,465 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:52,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-11 03:40:52,466 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:52,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:52,466 INFO L85 PathProgramCache]: Analyzing trace with hash 751154240, now seen corresponding path program 1 times [2024-10-11 03:40:52,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:52,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044415639] [2024-10-11 03:40:52,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:52,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:52,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:52,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:52,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044415639] [2024-10-11 03:40:52,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044415639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:52,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:52,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:40:52,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746528356] [2024-10-11 03:40:52,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:52,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:40:52,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:52,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:40:52,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:52,608 INFO L87 Difference]: Start difference. First operand 31633 states and 43074 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:52,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:52,854 INFO L93 Difference]: Finished difference Result 88697 states and 121080 transitions. [2024-10-11 03:40:52,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:40:52,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-10-11 03:40:52,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:52,937 INFO L225 Difference]: With dead ends: 88697 [2024-10-11 03:40:52,937 INFO L226 Difference]: Without dead ends: 59205 [2024-10-11 03:40:52,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:52,973 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 143 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:52,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 872 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:40:53,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59205 states. [2024-10-11 03:40:53,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59205 to 55235. [2024-10-11 03:40:53,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55235 states, 55234 states have (on average 1.3506897925191006) internal successors, (74604), 55234 states have internal predecessors, (74604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:54,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55235 states to 55235 states and 74604 transitions. [2024-10-11 03:40:54,073 INFO L78 Accepts]: Start accepts. Automaton has 55235 states and 74604 transitions. Word has length 88 [2024-10-11 03:40:54,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:54,073 INFO L471 AbstractCegarLoop]: Abstraction has 55235 states and 74604 transitions. [2024-10-11 03:40:54,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:54,074 INFO L276 IsEmpty]: Start isEmpty. Operand 55235 states and 74604 transitions. [2024-10-11 03:40:54,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-11 03:40:54,087 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:54,087 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:54,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-11 03:40:54,088 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:54,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:54,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1561987552, now seen corresponding path program 1 times [2024-10-11 03:40:54,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:54,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312149706] [2024-10-11 03:40:54,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:54,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:54,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:54,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:54,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312149706] [2024-10-11 03:40:54,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312149706] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:54,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:54,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:40:54,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800530233] [2024-10-11 03:40:54,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:54,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:40:54,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:54,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:40:54,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:54,195 INFO L87 Difference]: Start difference. First operand 55235 states and 74604 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:54,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:54,553 INFO L93 Difference]: Finished difference Result 76384 states and 103199 transitions. [2024-10-11 03:40:54,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:40:54,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-10-11 03:40:54,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:54,611 INFO L225 Difference]: With dead ends: 76384 [2024-10-11 03:40:54,612 INFO L226 Difference]: Without dead ends: 45349 [2024-10-11 03:40:54,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:54,629 INFO L432 NwaCegarLoop]: 531 mSDtfsCounter, 242 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 918 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:54,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 918 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:40:54,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45349 states. [2024-10-11 03:40:55,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45349 to 45347. [2024-10-11 03:40:55,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45347 states, 45346 states have (on average 1.3439774180743616) internal successors, (60944), 45346 states have internal predecessors, (60944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:55,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45347 states to 45347 states and 60944 transitions. [2024-10-11 03:40:55,136 INFO L78 Accepts]: Start accepts. Automaton has 45347 states and 60944 transitions. Word has length 89 [2024-10-11 03:40:55,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:55,136 INFO L471 AbstractCegarLoop]: Abstraction has 45347 states and 60944 transitions. [2024-10-11 03:40:55,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:55,136 INFO L276 IsEmpty]: Start isEmpty. Operand 45347 states and 60944 transitions. [2024-10-11 03:40:55,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-11 03:40:55,147 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:55,147 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:55,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-11 03:40:55,148 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:55,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:55,148 INFO L85 PathProgramCache]: Analyzing trace with hash -939196063, now seen corresponding path program 1 times [2024-10-11 03:40:55,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:55,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120825460] [2024-10-11 03:40:55,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:55,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:55,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:55,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:55,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120825460] [2024-10-11 03:40:55,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120825460] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:55,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:55,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:40:55,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871068525] [2024-10-11 03:40:55,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:55,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:40:55,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:55,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:40:55,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:55,475 INFO L87 Difference]: Start difference. First operand 45347 states and 60944 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:55,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:55,986 INFO L93 Difference]: Finished difference Result 128847 states and 173082 transitions. [2024-10-11 03:40:55,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:40:55,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-10-11 03:40:55,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:56,089 INFO L225 Difference]: With dead ends: 128847 [2024-10-11 03:40:56,089 INFO L226 Difference]: Without dead ends: 85577 [2024-10-11 03:40:56,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:56,115 INFO L432 NwaCegarLoop]: 486 mSDtfsCounter, 130 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:56,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 854 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:40:56,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85577 states. [2024-10-11 03:40:56,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85577 to 79367. [2024-10-11 03:40:57,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79367 states, 79366 states have (on average 1.3265630118690623) internal successors, (105284), 79366 states have internal predecessors, (105284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:57,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79367 states to 79367 states and 105284 transitions. [2024-10-11 03:40:57,189 INFO L78 Accepts]: Start accepts. Automaton has 79367 states and 105284 transitions. Word has length 89 [2024-10-11 03:40:57,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:57,190 INFO L471 AbstractCegarLoop]: Abstraction has 79367 states and 105284 transitions. [2024-10-11 03:40:57,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:57,190 INFO L276 IsEmpty]: Start isEmpty. Operand 79367 states and 105284 transitions. [2024-10-11 03:40:57,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-11 03:40:57,199 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:57,199 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:57,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-11 03:40:57,200 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:57,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:57,200 INFO L85 PathProgramCache]: Analyzing trace with hash -731307534, now seen corresponding path program 1 times [2024-10-11 03:40:57,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:57,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11984231] [2024-10-11 03:40:57,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:57,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:57,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:57,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:57,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11984231] [2024-10-11 03:40:57,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11984231] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:57,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:57,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:40:57,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871763786] [2024-10-11 03:40:57,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:57,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:40:57,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:57,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:40:57,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:57,305 INFO L87 Difference]: Start difference. First operand 79367 states and 105284 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:57,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:57,890 INFO L93 Difference]: Finished difference Result 96729 states and 128463 transitions. [2024-10-11 03:40:57,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:40:57,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-10-11 03:40:57,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:57,994 INFO L225 Difference]: With dead ends: 96729 [2024-10-11 03:40:57,994 INFO L226 Difference]: Without dead ends: 65509 [2024-10-11 03:40:58,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:58,015 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 199 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:40:58,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 886 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:40:58,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65509 states. [2024-10-11 03:40:58,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65509 to 65507. [2024-10-11 03:40:58,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65507 states, 65506 states have (on average 1.3272219338686533) internal successors, (86941), 65506 states have internal predecessors, (86941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:58,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65507 states to 65507 states and 86941 transitions. [2024-10-11 03:40:58,797 INFO L78 Accepts]: Start accepts. Automaton has 65507 states and 86941 transitions. Word has length 90 [2024-10-11 03:40:58,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:40:58,797 INFO L471 AbstractCegarLoop]: Abstraction has 65507 states and 86941 transitions. [2024-10-11 03:40:58,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:58,797 INFO L276 IsEmpty]: Start isEmpty. Operand 65507 states and 86941 transitions. [2024-10-11 03:40:58,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-11 03:40:58,805 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:40:58,805 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:40:58,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-11 03:40:58,806 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:40:58,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:40:58,806 INFO L85 PathProgramCache]: Analyzing trace with hash 722639314, now seen corresponding path program 1 times [2024-10-11 03:40:58,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:40:58,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512527749] [2024-10-11 03:40:58,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:40:58,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:40:58,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:40:59,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:40:59,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:40:59,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512527749] [2024-10-11 03:40:59,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512527749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:40:59,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:40:59,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:40:59,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719757312] [2024-10-11 03:40:59,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:40:59,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:40:59,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:40:59,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:40:59,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:40:59,210 INFO L87 Difference]: Start difference. First operand 65507 states and 86941 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:40:59,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:40:59,790 INFO L93 Difference]: Finished difference Result 187415 states and 248399 transitions. [2024-10-11 03:40:59,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:40:59,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-10-11 03:40:59,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:40:59,955 INFO L225 Difference]: With dead ends: 187415 [2024-10-11 03:40:59,956 INFO L226 Difference]: Without dead ends: 123901 [2024-10-11 03:41:00,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:41:00,025 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 108 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:41:00,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 834 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:41:00,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123901 states. [2024-10-11 03:41:01,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123901 to 115963. [2024-10-11 03:41:01,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115963 states, 115962 states have (on average 1.3148186474879702) internal successors, (152469), 115962 states have internal predecessors, (152469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:41:01,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115963 states to 115963 states and 152469 transitions. [2024-10-11 03:41:01,967 INFO L78 Accepts]: Start accepts. Automaton has 115963 states and 152469 transitions. Word has length 91 [2024-10-11 03:41:01,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:41:01,967 INFO L471 AbstractCegarLoop]: Abstraction has 115963 states and 152469 transitions. [2024-10-11 03:41:01,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:41:01,968 INFO L276 IsEmpty]: Start isEmpty. Operand 115963 states and 152469 transitions. [2024-10-11 03:41:01,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-11 03:41:01,976 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:41:01,976 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:41:01,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-11 03:41:01,976 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:41:01,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:41:01,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1582250999, now seen corresponding path program 1 times [2024-10-11 03:41:01,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:41:01,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618172736] [2024-10-11 03:41:01,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:41:01,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:41:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:41:02,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:41:02,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:41:02,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618172736] [2024-10-11 03:41:02,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618172736] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:41:02,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:41:02,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 03:41:02,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488044099] [2024-10-11 03:41:02,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:41:02,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 03:41:02,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:41:02,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 03:41:02,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 03:41:02,730 INFO L87 Difference]: Start difference. First operand 115963 states and 152469 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:41:03,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:41:03,192 INFO L93 Difference]: Finished difference Result 124797 states and 164246 transitions. [2024-10-11 03:41:03,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 03:41:03,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-10-11 03:41:03,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:41:03,357 INFO L225 Difference]: With dead ends: 124797 [2024-10-11 03:41:03,358 INFO L226 Difference]: Without dead ends: 124795 [2024-10-11 03:41:03,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 03:41:03,399 INFO L432 NwaCegarLoop]: 421 mSDtfsCounter, 0 mSDsluCounter, 1648 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2069 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:41:03,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2069 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:41:03,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124795 states. [2024-10-11 03:41:05,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124795 to 124795. [2024-10-11 03:41:05,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124795 states, 124794 states have (on average 1.2925381027934035) internal successors, (161301), 124794 states have internal predecessors, (161301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:41:05,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124795 states to 124795 states and 161301 transitions. [2024-10-11 03:41:05,503 INFO L78 Accepts]: Start accepts. Automaton has 124795 states and 161301 transitions. Word has length 93 [2024-10-11 03:41:05,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:41:05,503 INFO L471 AbstractCegarLoop]: Abstraction has 124795 states and 161301 transitions. [2024-10-11 03:41:05,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:41:05,503 INFO L276 IsEmpty]: Start isEmpty. Operand 124795 states and 161301 transitions. [2024-10-11 03:41:05,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-11 03:41:05,512 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:41:05,512 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:41:05,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-11 03:41:05,512 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:41:05,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:41:05,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1984722776, now seen corresponding path program 1 times [2024-10-11 03:41:05,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:41:05,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185818685] [2024-10-11 03:41:05,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:41:05,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:41:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:41:05,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:41:05,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:41:05,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185818685] [2024-10-11 03:41:05,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185818685] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:41:05,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:41:05,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:41:05,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182390438] [2024-10-11 03:41:05,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:41:05,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:41:05,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:41:05,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:41:05,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:41:05,618 INFO L87 Difference]: Start difference. First operand 124795 states and 161301 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:41:06,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:41:06,546 INFO L93 Difference]: Finished difference Result 314479 states and 404295 transitions. [2024-10-11 03:41:06,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:41:06,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-10-11 03:41:06,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:41:07,516 INFO L225 Difference]: With dead ends: 314479 [2024-10-11 03:41:07,516 INFO L226 Difference]: Without dead ends: 191677 [2024-10-11 03:41:07,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:41:07,594 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 326 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:41:07,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 610 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:41:07,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191677 states. [2024-10-11 03:41:09,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191677 to 191675. [2024-10-11 03:41:10,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191675 states, 191674 states have (on average 1.2722695827290087) internal successors, (243861), 191674 states have internal predecessors, (243861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:41:10,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191675 states to 191675 states and 243861 transitions. [2024-10-11 03:41:10,483 INFO L78 Accepts]: Start accepts. Automaton has 191675 states and 243861 transitions. Word has length 94 [2024-10-11 03:41:10,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:41:10,483 INFO L471 AbstractCegarLoop]: Abstraction has 191675 states and 243861 transitions. [2024-10-11 03:41:10,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:41:10,483 INFO L276 IsEmpty]: Start isEmpty. Operand 191675 states and 243861 transitions. [2024-10-11 03:41:10,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-11 03:41:10,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:41:10,491 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:41:10,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-11 03:41:10,495 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:41:10,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:41:10,495 INFO L85 PathProgramCache]: Analyzing trace with hash -550444979, now seen corresponding path program 1 times [2024-10-11 03:41:10,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:41:10,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249367570] [2024-10-11 03:41:10,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:41:10,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:41:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:41:10,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:41:10,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:41:10,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249367570] [2024-10-11 03:41:10,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249367570] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:41:10,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:41:10,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 03:41:10,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934449974] [2024-10-11 03:41:10,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:41:10,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 03:41:10,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:41:10,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 03:41:10,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 03:41:10,693 INFO L87 Difference]: Start difference. First operand 191675 states and 243861 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:41:12,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:41:12,108 INFO L93 Difference]: Finished difference Result 305933 states and 391042 transitions. [2024-10-11 03:41:12,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 03:41:12,108 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2024-10-11 03:41:12,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:41:12,599 INFO L225 Difference]: With dead ends: 305933 [2024-10-11 03:41:12,600 INFO L226 Difference]: Without dead ends: 266691 [2024-10-11 03:41:12,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-11 03:41:12,689 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 1585 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 1310 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:41:12,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 1310 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:41:12,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266691 states. [2024-10-11 03:41:15,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266691 to 221443. [2024-10-11 03:41:15,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221443 states, 221442 states have (on average 1.2705674623603471) internal successors, (281357), 221442 states have internal predecessors, (281357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:41:15,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221443 states to 221443 states and 281357 transitions. [2024-10-11 03:41:15,958 INFO L78 Accepts]: Start accepts. Automaton has 221443 states and 281357 transitions. Word has length 96 [2024-10-11 03:41:15,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:41:15,959 INFO L471 AbstractCegarLoop]: Abstraction has 221443 states and 281357 transitions. [2024-10-11 03:41:15,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:41:15,959 INFO L276 IsEmpty]: Start isEmpty. Operand 221443 states and 281357 transitions. [2024-10-11 03:41:15,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-11 03:41:15,966 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:41:15,966 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:41:15,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-11 03:41:15,967 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:41:15,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:41:15,967 INFO L85 PathProgramCache]: Analyzing trace with hash -840278662, now seen corresponding path program 1 times [2024-10-11 03:41:15,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:41:15,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912560562] [2024-10-11 03:41:15,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:41:15,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:41:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:41:16,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:41:16,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:41:16,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912560562] [2024-10-11 03:41:16,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912560562] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:41:16,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:41:16,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 03:41:16,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261368939] [2024-10-11 03:41:16,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:41:16,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 03:41:16,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:41:16,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 03:41:16,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:41:16,037 INFO L87 Difference]: Start difference. First operand 221443 states and 281357 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) [2024-10-11 03:41:18,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:41:18,008 INFO L93 Difference]: Finished difference Result 439566 states and 558442 transitions. [2024-10-11 03:41:18,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 03:41:18,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-10-11 03:41:18,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:41:18,471 INFO L225 Difference]: With dead ends: 439566 [2024-10-11 03:41:18,471 INFO L226 Difference]: Without dead ends: 306845 [2024-10-11 03:41:18,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 03:41:18,592 INFO L432 NwaCegarLoop]: 400 mSDtfsCounter, 376 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 03:41:18,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 567 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 03:41:18,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306845 states. [2024-10-11 03:41:22,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306845 to 217968. [2024-10-11 03:41:22,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217968 states, 217967 states have (on average 1.267439566539889) internal successors, (276260), 217967 states have internal predecessors, (276260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 03:41:23,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217968 states to 217968 states and 276260 transitions. [2024-10-11 03:41:23,414 INFO L78 Accepts]: Start accepts. Automaton has 217968 states and 276260 transitions. Word has length 97 [2024-10-11 03:41:23,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 03:41:23,414 INFO L471 AbstractCegarLoop]: Abstraction has 217968 states and 276260 transitions. [2024-10-11 03:41:23,414 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) [2024-10-11 03:41:23,414 INFO L276 IsEmpty]: Start isEmpty. Operand 217968 states and 276260 transitions. [2024-10-11 03:41:23,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 03:41:23,422 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 03:41:23,422 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 03:41:23,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-11 03:41:23,422 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-11 03:41:23,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 03:41:23,423 INFO L85 PathProgramCache]: Analyzing trace with hash 426902638, now seen corresponding path program 1 times [2024-10-11 03:41:23,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 03:41:23,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397660948] [2024-10-11 03:41:23,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 03:41:23,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 03:41:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 03:41:23,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 03:41:23,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 03:41:23,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397660948] [2024-10-11 03:41:23,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397660948] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 03:41:23,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 03:41:23,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 03:41:23,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393211324] [2024-10-11 03:41:23,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 03:41:23,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 03:41:23,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 03:41:23,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 03:41:23,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 03:41:23,593 INFO L87 Difference]: Start difference. First operand 217968 states and 276260 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 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) [2024-10-11 03:41:25,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 03:41:25,402 INFO L93 Difference]: Finished difference Result 313186 states and 398545 transitions. [2024-10-11 03:41:25,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 03:41:25,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 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 [2024-10-11 03:41:25,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 03:41:25,843 INFO L225 Difference]: With dead ends: 313186 [2024-10-11 03:41:25,843 INFO L226 Difference]: Without dead ends: 275096 [2024-10-11 03:41:25,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-11 03:41:25,877 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 1573 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1573 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 03:41:25,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1573 Valid, 1307 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 03:41:26,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275096 states.