./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../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 c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash afa96f494675daaffb7cf8ecfbe30f06e1bb06b9219ecf3df6181ac4e4f076f6 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:54:53,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:54:53,507 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:54:53,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:54:53,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:54:53,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:54:53,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:54:53,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:54:53,547 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:54:53,547 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:54:53,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:54:53,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:54:53,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:54:53,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:54:53,551 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:54:53,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:54:53,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:54:53,552 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:54:53,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:54:53,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:54:53,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:54:53,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:54:53,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:54:53,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:54:53,557 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:54:53,557 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:54:53,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:54:53,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:54:53,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:54:53,566 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:54:53,566 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:54:53,566 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:54:53,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:54:53,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:54:53,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:54:53,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:54:53,569 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:54:53,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:54:53,569 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:54:53,570 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:54:53,570 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:54:53,571 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:54:53,571 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afa96f494675daaffb7cf8ecfbe30f06e1bb06b9219ecf3df6181ac4e4f076f6 [2024-11-08 15:54:53,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:54:53,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:54:53,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:54:53,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:54:53,850 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:54:53,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2024-11-08 15:54:55,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:54:55,697 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:54:55,698 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 [2024-11-08 15:54:55,728 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a4f047e7/0fad46f2e8654f9eb3d3dcb18be47f14/FLAGff997fecd [2024-11-08 15:54:55,744 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a4f047e7/0fad46f2e8654f9eb3d3dcb18be47f14 [2024-11-08 15:54:55,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:54:55,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:54:55,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:54:55,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:54:55,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:54:55,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:54:55" (1/1) ... [2024-11-08 15:54:55,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@773509ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:55, skipping insertion in model container [2024-11-08 15:54:55,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:54:55" (1/1) ... [2024-11-08 15:54:55,855 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:54:56,276 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12460,12473] [2024-11-08 15:54:56,326 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[19746,19759] [2024-11-08 15:54:56,343 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[22098,22111] [2024-11-08 15:54:56,353 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23218,23231] [2024-11-08 15:54:56,371 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[26768,26781] [2024-11-08 15:54:56,376 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[27891,27904] [2024-11-08 15:54:56,387 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[30206,30219] [2024-11-08 15:54:56,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:54:56,794 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:54:56,833 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[12460,12473] [2024-11-08 15:54:56,845 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[19746,19759] [2024-11-08 15:54:56,851 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[22098,22111] [2024-11-08 15:54:56,854 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[23218,23231] [2024-11-08 15:54:56,893 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[26768,26781] [2024-11-08 15:54:56,897 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[27891,27904] [2024-11-08 15:54:56,903 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c[30206,30219] [2024-11-08 15:54:57,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:54:57,170 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:54:57,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:57 WrapperNode [2024-11-08 15:54:57,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:54:57,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:54:57,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:54:57,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:54:57,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:57" (1/1) ... [2024-11-08 15:54:57,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:57" (1/1) ... [2024-11-08 15:54:57,420 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 7679 [2024-11-08 15:54:57,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:54:57,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:54:57,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:54:57,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:54:57,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:57" (1/1) ... [2024-11-08 15:54:57,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:57" (1/1) ... [2024-11-08 15:54:57,477 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:57" (1/1) ... [2024-11-08 15:54:57,549 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 15:54:57,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:57" (1/1) ... [2024-11-08 15:54:57,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:57" (1/1) ... [2024-11-08 15:54:57,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:57" (1/1) ... [2024-11-08 15:54:57,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:57" (1/1) ... [2024-11-08 15:54:57,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:57" (1/1) ... [2024-11-08 15:54:57,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:57" (1/1) ... [2024-11-08 15:54:57,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:54:57,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:54:57,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:54:57,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:54:57,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:57" (1/1) ... [2024-11-08 15:54:57,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:54:57,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:54:57,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 15:54:57,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 15:54:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:54:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:54:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:54:57,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:54:58,174 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:54:58,176 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:55:01,425 INFO L? ?]: Removed 1280 outVars from TransFormulas that were not future-live. [2024-11-08 15:55:01,426 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:55:01,460 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:55:01,461 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 15:55:01,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:55:01 BoogieIcfgContainer [2024-11-08 15:55:01,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:55:01,467 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:55:01,467 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:55:01,470 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:55:01,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:54:55" (1/3) ... [2024-11-08 15:55:01,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6417b94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:55:01, skipping insertion in model container [2024-11-08 15:55:01,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:54:57" (2/3) ... [2024-11-08 15:55:01,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6417b94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:55:01, skipping insertion in model container [2024-11-08 15:55:01,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:55:01" (3/3) ... [2024-11-08 15:55:01,473 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2024-11-08 15:55:01,490 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:55:01,491 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-08 15:55:01,606 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:55:01,614 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;@43029421, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:55:01,614 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-08 15:55:01,625 INFO L276 IsEmpty]: Start isEmpty. Operand has 1106 states, 1098 states have (on average 1.8852459016393444) internal successors, (2070), 1105 states have internal predecessors, (2070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:01,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-08 15:55:01,649 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:01,650 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] [2024-11-08 15:55:01,650 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)] === [2024-11-08 15:55:01,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:01,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1160265217, now seen corresponding path program 1 times [2024-11-08 15:55:01,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:01,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159859793] [2024-11-08 15:55:01,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:01,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:02,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:02,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:02,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159859793] [2024-11-08 15:55:02,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159859793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:02,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:02,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:02,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939355088] [2024-11-08 15:55:02,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:02,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:02,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:02,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:02,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:02,241 INFO L87 Difference]: Start difference. First operand has 1106 states, 1098 states have (on average 1.8852459016393444) internal successors, (2070), 1105 states have internal predecessors, (2070), 0 states have call successors, (0), 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 21.333333333333332) 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) [2024-11-08 15:55:02,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:02,478 INFO L93 Difference]: Finished difference Result 1465 states and 2651 transitions. [2024-11-08 15:55:02,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:02,481 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 [2024-11-08 15:55:02,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:02,502 INFO L225 Difference]: With dead ends: 1465 [2024-11-08 15:55:02,503 INFO L226 Difference]: Without dead ends: 1288 [2024-11-08 15:55:02,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:02,510 INFO L432 NwaCegarLoop]: 2055 mSDtfsCounter, 969 mSDsluCounter, 1275 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 3330 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:02,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [969 Valid, 3330 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 15:55:02,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2024-11-08 15:55:02,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1280. [2024-11-08 15:55:02,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1280 states, 1273 states have (on average 1.3165750196386488) internal successors, (1676), 1279 states have internal predecessors, (1676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:02,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1676 transitions. [2024-11-08 15:55:02,595 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1676 transitions. Word has length 64 [2024-11-08 15:55:02,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:02,595 INFO L471 AbstractCegarLoop]: Abstraction has 1280 states and 1676 transitions. [2024-11-08 15:55:02,596 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) [2024-11-08 15:55:02,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1676 transitions. [2024-11-08 15:55:02,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-08 15:55:02,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:02,600 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] [2024-11-08 15:55:02,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 15:55:02,601 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)] === [2024-11-08 15:55:02,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:02,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1978887998, now seen corresponding path program 1 times [2024-11-08 15:55:02,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:02,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52292674] [2024-11-08 15:55:02,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:02,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:02,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:02,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:02,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52292674] [2024-11-08 15:55:02,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52292674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:02,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:02,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:02,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576706342] [2024-11-08 15:55:02,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:02,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:02,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:02,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:02,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:02,802 INFO L87 Difference]: Start difference. First operand 1280 states and 1676 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) [2024-11-08 15:55:02,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:02,883 INFO L93 Difference]: Finished difference Result 1930 states and 2622 transitions. [2024-11-08 15:55:02,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:02,883 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 [2024-11-08 15:55:02,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:02,890 INFO L225 Difference]: With dead ends: 1930 [2024-11-08 15:55:02,890 INFO L226 Difference]: Without dead ends: 1576 [2024-11-08 15:55:02,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:02,896 INFO L432 NwaCegarLoop]: 1424 mSDtfsCounter, 717 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 2315 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:02,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 2315 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:55:02,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2024-11-08 15:55:02,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1568. [2024-11-08 15:55:02,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1561 states have (on average 1.3401665598975017) internal successors, (2092), 1567 states have internal predecessors, (2092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:02,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2092 transitions. [2024-11-08 15:55:02,941 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2092 transitions. Word has length 64 [2024-11-08 15:55:02,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:02,942 INFO L471 AbstractCegarLoop]: Abstraction has 1568 states and 2092 transitions. [2024-11-08 15:55:02,942 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) [2024-11-08 15:55:02,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2092 transitions. [2024-11-08 15:55:02,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-08 15:55:02,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:02,947 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] [2024-11-08 15:55:02,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 15:55:02,948 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)] === [2024-11-08 15:55:02,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:02,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1566940908, now seen corresponding path program 1 times [2024-11-08 15:55:02,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:02,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58676364] [2024-11-08 15:55:02,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:02,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:03,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:03,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:03,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58676364] [2024-11-08 15:55:03,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58676364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:03,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:03,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:55:03,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734117462] [2024-11-08 15:55:03,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:03,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:55:03,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:03,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:55:03,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:55:03,172 INFO L87 Difference]: Start difference. First operand 1568 states and 2092 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) [2024-11-08 15:55:03,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:03,796 INFO L93 Difference]: Finished difference Result 3046 states and 4188 transitions. [2024-11-08 15:55:03,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:55:03,796 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 [2024-11-08 15:55:03,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:03,803 INFO L225 Difference]: With dead ends: 3046 [2024-11-08 15:55:03,803 INFO L226 Difference]: Without dead ends: 1787 [2024-11-08 15:55:03,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:55:03,806 INFO L432 NwaCegarLoop]: 679 mSDtfsCounter, 3665 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3665 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:03,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3665 Valid, 835 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 15:55:03,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2024-11-08 15:55:03,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1779. [2024-11-08 15:55:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1779 states, 1772 states have (on average 1.3876975169300225) internal successors, (2459), 1778 states have internal predecessors, (2459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:03,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2459 transitions. [2024-11-08 15:55:03,842 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2459 transitions. Word has length 64 [2024-11-08 15:55:03,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:03,842 INFO L471 AbstractCegarLoop]: Abstraction has 1779 states and 2459 transitions. [2024-11-08 15:55:03,842 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) [2024-11-08 15:55:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2459 transitions. [2024-11-08 15:55:03,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 15:55:03,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:03,845 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] [2024-11-08 15:55:03,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 15:55:03,846 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)] === [2024-11-08 15:55:03,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:03,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1913482263, now seen corresponding path program 1 times [2024-11-08 15:55:03,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:03,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465399490] [2024-11-08 15:55:03,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:03,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:03,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:03,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:03,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465399490] [2024-11-08 15:55:03,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465399490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:03,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:03,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:03,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954426052] [2024-11-08 15:55:03,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:03,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:03,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:03,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:03,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:03,964 INFO L87 Difference]: Start difference. First operand 1779 states and 2459 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:04,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:04,038 INFO L93 Difference]: Finished difference Result 4129 states and 5823 transitions. [2024-11-08 15:55:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:04,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-08 15:55:04,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:04,050 INFO L225 Difference]: With dead ends: 4129 [2024-11-08 15:55:04,050 INFO L226 Difference]: Without dead ends: 2953 [2024-11-08 15:55:04,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:04,054 INFO L432 NwaCegarLoop]: 1422 mSDtfsCounter, 897 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 2140 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:04,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 2140 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:55:04,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2953 states. [2024-11-08 15:55:04,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2953 to 2941. [2024-11-08 15:55:04,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2941 states, 2934 states have (on average 1.3895705521472392) internal successors, (4077), 2940 states have internal predecessors, (4077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:04,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2941 states and 4077 transitions. [2024-11-08 15:55:04,116 INFO L78 Accepts]: Start accepts. Automaton has 2941 states and 4077 transitions. Word has length 65 [2024-11-08 15:55:04,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:04,117 INFO L471 AbstractCegarLoop]: Abstraction has 2941 states and 4077 transitions. [2024-11-08 15:55:04,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:04,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2941 states and 4077 transitions. [2024-11-08 15:55:04,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 15:55:04,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:04,121 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] [2024-11-08 15:55:04,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 15:55:04,122 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)] === [2024-11-08 15:55:04,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:04,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1759204869, now seen corresponding path program 1 times [2024-11-08 15:55:04,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:04,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654989456] [2024-11-08 15:55:04,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:04,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:04,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:04,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:04,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654989456] [2024-11-08 15:55:04,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654989456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:04,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:04,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:55:04,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478663424] [2024-11-08 15:55:04,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:04,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:55:04,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:04,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:55:04,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:55:04,360 INFO L87 Difference]: Start difference. First operand 2941 states and 4077 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) [2024-11-08 15:55:04,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:04,959 INFO L93 Difference]: Finished difference Result 5812 states and 8153 transitions. [2024-11-08 15:55:04,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:55:04,959 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 [2024-11-08 15:55:04,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:04,970 INFO L225 Difference]: With dead ends: 5812 [2024-11-08 15:55:04,971 INFO L226 Difference]: Without dead ends: 3476 [2024-11-08 15:55:04,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:55:04,979 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 3065 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3065 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:04,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3065 Valid, 696 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 15:55:04,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3476 states. [2024-11-08 15:55:05,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3476 to 3460. [2024-11-08 15:55:05,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3460 states, 3453 states have (on average 1.3828554879814654) internal successors, (4775), 3459 states have internal predecessors, (4775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:05,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3460 states to 3460 states and 4775 transitions. [2024-11-08 15:55:05,055 INFO L78 Accepts]: Start accepts. Automaton has 3460 states and 4775 transitions. Word has length 65 [2024-11-08 15:55:05,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:05,056 INFO L471 AbstractCegarLoop]: Abstraction has 3460 states and 4775 transitions. [2024-11-08 15:55:05,056 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) [2024-11-08 15:55:05,056 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 4775 transitions. [2024-11-08 15:55:05,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-08 15:55:05,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:05,060 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] [2024-11-08 15:55:05,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 15:55:05,060 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)] === [2024-11-08 15:55:05,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:05,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1773849621, now seen corresponding path program 1 times [2024-11-08 15:55:05,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:05,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710076088] [2024-11-08 15:55:05,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:05,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:05,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:05,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:05,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710076088] [2024-11-08 15:55:05,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710076088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:05,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:05,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:55:05,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219334992] [2024-11-08 15:55:05,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:05,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:55:05,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:05,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:55:05,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:55:05,267 INFO L87 Difference]: Start difference. First operand 3460 states and 4775 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) [2024-11-08 15:55:05,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:05,763 INFO L93 Difference]: Finished difference Result 8470 states and 11935 transitions. [2024-11-08 15:55:05,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:55:05,766 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 [2024-11-08 15:55:05,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:05,786 INFO L225 Difference]: With dead ends: 8470 [2024-11-08 15:55:05,787 INFO L226 Difference]: Without dead ends: 5300 [2024-11-08 15:55:05,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:55:05,795 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 2730 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2730 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:05,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2730 Valid, 645 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 15:55:05,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5300 states. [2024-11-08 15:55:05,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5300 to 5292. [2024-11-08 15:55:05,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5292 states, 5285 states have (on average 1.4081362346263009) internal successors, (7442), 5291 states have internal predecessors, (7442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5292 states to 5292 states and 7442 transitions. [2024-11-08 15:55:05,917 INFO L78 Accepts]: Start accepts. Automaton has 5292 states and 7442 transitions. Word has length 65 [2024-11-08 15:55:05,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:05,919 INFO L471 AbstractCegarLoop]: Abstraction has 5292 states and 7442 transitions. [2024-11-08 15:55:05,919 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) [2024-11-08 15:55:05,919 INFO L276 IsEmpty]: Start isEmpty. Operand 5292 states and 7442 transitions. [2024-11-08 15:55:05,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-08 15:55:05,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:05,925 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:55:05,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 15:55:05,925 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 15:55:05,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:05,926 INFO L85 PathProgramCache]: Analyzing trace with hash -2076438910, now seen corresponding path program 1 times [2024-11-08 15:55:05,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:05,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51273088] [2024-11-08 15:55:05,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:05,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:06,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:06,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:06,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51273088] [2024-11-08 15:55:06,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51273088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:06,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:06,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:06,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095664745] [2024-11-08 15:55:06,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:06,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:06,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:06,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:06,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:06,045 INFO L87 Difference]: Start difference. First operand 5292 states and 7442 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) [2024-11-08 15:55:06,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:06,114 INFO L93 Difference]: Finished difference Result 11472 states and 16248 transitions. [2024-11-08 15:55:06,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:06,114 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 [2024-11-08 15:55:06,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:06,140 INFO L225 Difference]: With dead ends: 11472 [2024-11-08 15:55:06,140 INFO L226 Difference]: Without dead ends: 7315 [2024-11-08 15:55:06,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:06,149 INFO L432 NwaCegarLoop]: 964 mSDtfsCounter, 585 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 1532 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:06,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 1532 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:55:06,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7315 states. [2024-11-08 15:55:06,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7315 to 7283. [2024-11-08 15:55:06,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7283 states, 7276 states have (on average 1.3845519516217701) internal successors, (10074), 7282 states have internal predecessors, (10074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:06,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7283 states to 7283 states and 10074 transitions. [2024-11-08 15:55:06,298 INFO L78 Accepts]: Start accepts. Automaton has 7283 states and 10074 transitions. Word has length 66 [2024-11-08 15:55:06,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:06,298 INFO L471 AbstractCegarLoop]: Abstraction has 7283 states and 10074 transitions. [2024-11-08 15:55:06,299 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) [2024-11-08 15:55:06,299 INFO L276 IsEmpty]: Start isEmpty. Operand 7283 states and 10074 transitions. [2024-11-08 15:55:06,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-08 15:55:06,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:06,306 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:55:06,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 15:55:06,306 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-08 15:55:06,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:06,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1790108590, now seen corresponding path program 1 times [2024-11-08 15:55:06,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:06,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878271746] [2024-11-08 15:55:06,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:06,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:06,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:06,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:06,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878271746] [2024-11-08 15:55:06,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878271746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:06,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:06,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:55:06,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059586111] [2024-11-08 15:55:06,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:06,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:55:06,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:06,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:55:06,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:55:06,481 INFO L87 Difference]: Start difference. First operand 7283 states and 10074 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:06,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:06,914 INFO L93 Difference]: Finished difference Result 16628 states and 23145 transitions. [2024-11-08 15:55:06,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:55:06,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-08 15:55:06,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:06,962 INFO L225 Difference]: With dead ends: 16628 [2024-11-08 15:55:06,963 INFO L226 Difference]: Without dead ends: 9782 [2024-11-08 15:55:06,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:55:06,974 INFO L432 NwaCegarLoop]: 431 mSDtfsCounter, 2390 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2390 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:06,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2390 Valid, 580 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 15:55:06,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9782 states. [2024-11-08 15:55:07,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9782 to 9738. [2024-11-08 15:55:07,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9738 states, 9731 states have (on average 1.3830027746377556) internal successors, (13458), 9737 states have internal predecessors, (13458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:07,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9738 states to 9738 states and 13458 transitions. [2024-11-08 15:55:07,120 INFO L78 Accepts]: Start accepts. Automaton has 9738 states and 13458 transitions. Word has length 67 [2024-11-08 15:55:07,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:07,120 INFO L471 AbstractCegarLoop]: Abstraction has 9738 states and 13458 transitions. [2024-11-08 15:55:07,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:07,120 INFO L276 IsEmpty]: Start isEmpty. Operand 9738 states and 13458 transitions. [2024-11-08 15:55:07,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 15:55:07,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:07,130 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] [2024-11-08 15:55:07,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 15:55:07,131 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)] === [2024-11-08 15:55:07,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:07,131 INFO L85 PathProgramCache]: Analyzing trace with hash 185593086, now seen corresponding path program 1 times [2024-11-08 15:55:07,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:07,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784769369] [2024-11-08 15:55:07,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:07,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:07,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:07,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:07,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784769369] [2024-11-08 15:55:07,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784769369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:07,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:07,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:55:07,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391303880] [2024-11-08 15:55:07,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:07,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:55:07,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:07,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:55:07,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:55:07,330 INFO L87 Difference]: Start difference. First operand 9738 states and 13458 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) [2024-11-08 15:55:08,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:08,022 INFO L93 Difference]: Finished difference Result 27452 states and 38510 transitions. [2024-11-08 15:55:08,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:55:08,023 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 [2024-11-08 15:55:08,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:08,059 INFO L225 Difference]: With dead ends: 27452 [2024-11-08 15:55:08,060 INFO L226 Difference]: Without dead ends: 23801 [2024-11-08 15:55:08,065 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 [2024-11-08 15:55:08,066 INFO L432 NwaCegarLoop]: 433 mSDtfsCounter, 3231 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3231 SdHoareTripleChecker+Valid, 1122 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:08,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3231 Valid, 1122 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 15:55:08,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23801 states. [2024-11-08 15:55:08,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23801 to 9806. [2024-11-08 15:55:08,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9806 states, 9799 states have (on average 1.3823859577507909) internal successors, (13546), 9805 states have internal predecessors, (13546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:08,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9806 states to 9806 states and 13546 transitions. [2024-11-08 15:55:08,264 INFO L78 Accepts]: Start accepts. Automaton has 9806 states and 13546 transitions. Word has length 68 [2024-11-08 15:55:08,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:08,264 INFO L471 AbstractCegarLoop]: Abstraction has 9806 states and 13546 transitions. [2024-11-08 15:55:08,265 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) [2024-11-08 15:55:08,265 INFO L276 IsEmpty]: Start isEmpty. Operand 9806 states and 13546 transitions. [2024-11-08 15:55:08,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 15:55:08,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:08,271 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] [2024-11-08 15:55:08,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 15:55:08,272 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)] === [2024-11-08 15:55:08,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:08,272 INFO L85 PathProgramCache]: Analyzing trace with hash 290423248, now seen corresponding path program 1 times [2024-11-08 15:55:08,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:08,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541240285] [2024-11-08 15:55:08,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:08,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:08,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:08,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:08,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541240285] [2024-11-08 15:55:08,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541240285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:08,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:08,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:55:08,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801145109] [2024-11-08 15:55:08,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:08,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:55:08,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:08,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:55:08,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:55:08,451 INFO L87 Difference]: Start difference. First operand 9806 states and 13546 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) [2024-11-08 15:55:09,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:09,060 INFO L93 Difference]: Finished difference Result 26125 states and 36562 transitions. [2024-11-08 15:55:09,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:55:09,061 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 [2024-11-08 15:55:09,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:09,089 INFO L225 Difference]: With dead ends: 26125 [2024-11-08 15:55:09,090 INFO L226 Difference]: Without dead ends: 21483 [2024-11-08 15:55:09,099 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 [2024-11-08 15:55:09,100 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 3135 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3135 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:09,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3135 Valid, 1104 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 15:55:09,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21483 states. [2024-11-08 15:55:09,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21483 to 9962. [2024-11-08 15:55:09,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9962 states, 9955 states have (on average 1.381416373681567) internal successors, (13752), 9961 states have internal predecessors, (13752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:09,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9962 states to 9962 states and 13752 transitions. [2024-11-08 15:55:09,316 INFO L78 Accepts]: Start accepts. Automaton has 9962 states and 13752 transitions. Word has length 68 [2024-11-08 15:55:09,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:09,317 INFO L471 AbstractCegarLoop]: Abstraction has 9962 states and 13752 transitions. [2024-11-08 15:55:09,317 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) [2024-11-08 15:55:09,317 INFO L276 IsEmpty]: Start isEmpty. Operand 9962 states and 13752 transitions. [2024-11-08 15:55:09,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 15:55:09,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:09,324 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] [2024-11-08 15:55:09,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 15:55:09,324 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)] === [2024-11-08 15:55:09,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:09,325 INFO L85 PathProgramCache]: Analyzing trace with hash -770234336, now seen corresponding path program 1 times [2024-11-08 15:55:09,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:09,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513499558] [2024-11-08 15:55:09,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:09,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:09,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:09,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:09,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513499558] [2024-11-08 15:55:09,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513499558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:09,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:09,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:55:09,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169623369] [2024-11-08 15:55:09,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:09,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:55:09,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:09,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:55:09,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:55:09,499 INFO L87 Difference]: Start difference. First operand 9962 states and 13752 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) [2024-11-08 15:55:10,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:10,166 INFO L93 Difference]: Finished difference Result 23557 states and 32840 transitions. [2024-11-08 15:55:10,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:55:10,167 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 [2024-11-08 15:55:10,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:10,197 INFO L225 Difference]: With dead ends: 23557 [2024-11-08 15:55:10,197 INFO L226 Difference]: Without dead ends: 19281 [2024-11-08 15:55:10,211 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 [2024-11-08 15:55:10,212 INFO L432 NwaCegarLoop]: 406 mSDtfsCounter, 3058 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3058 SdHoareTripleChecker+Valid, 1085 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:10,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3058 Valid, 1085 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 15:55:10,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19281 states. [2024-11-08 15:55:10,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19281 to 10033. [2024-11-08 15:55:10,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10033 states, 10026 states have (on average 1.381508078994614) internal successors, (13851), 10032 states have internal predecessors, (13851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:10,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10033 states to 10033 states and 13851 transitions. [2024-11-08 15:55:10,507 INFO L78 Accepts]: Start accepts. Automaton has 10033 states and 13851 transitions. Word has length 68 [2024-11-08 15:55:10,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:10,507 INFO L471 AbstractCegarLoop]: Abstraction has 10033 states and 13851 transitions. [2024-11-08 15:55:10,507 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) [2024-11-08 15:55:10,507 INFO L276 IsEmpty]: Start isEmpty. Operand 10033 states and 13851 transitions. [2024-11-08 15:55:10,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 15:55:10,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:10,516 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] [2024-11-08 15:55:10,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 15:55:10,517 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)] === [2024-11-08 15:55:10,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:10,517 INFO L85 PathProgramCache]: Analyzing trace with hash -2053099389, now seen corresponding path program 1 times [2024-11-08 15:55:10,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:10,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105213184] [2024-11-08 15:55:10,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:10,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:10,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:10,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:10,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105213184] [2024-11-08 15:55:10,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105213184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:10,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:10,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:55:10,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496099658] [2024-11-08 15:55:10,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:10,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:55:10,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:10,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:55:10,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:55:10,717 INFO L87 Difference]: Start difference. First operand 10033 states and 13851 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) [2024-11-08 15:55:11,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:11,195 INFO L93 Difference]: Finished difference Result 21345 states and 29649 transitions. [2024-11-08 15:55:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:55:11,196 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 [2024-11-08 15:55:11,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:11,214 INFO L225 Difference]: With dead ends: 21345 [2024-11-08 15:55:11,214 INFO L226 Difference]: Without dead ends: 16603 [2024-11-08 15:55:11,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:55:11,227 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 2887 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2887 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:11,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2887 Valid, 1060 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 15:55:11,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16603 states. [2024-11-08 15:55:11,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16603 to 10068. [2024-11-08 15:55:11,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10068 states, 10061 states have (on average 1.3811748335155551) internal successors, (13896), 10067 states have internal predecessors, (13896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:11,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10068 states to 10068 states and 13896 transitions. [2024-11-08 15:55:11,437 INFO L78 Accepts]: Start accepts. Automaton has 10068 states and 13896 transitions. Word has length 68 [2024-11-08 15:55:11,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:11,438 INFO L471 AbstractCegarLoop]: Abstraction has 10068 states and 13896 transitions. [2024-11-08 15:55:11,438 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) [2024-11-08 15:55:11,438 INFO L276 IsEmpty]: Start isEmpty. Operand 10068 states and 13896 transitions. [2024-11-08 15:55:11,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 15:55:11,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:11,447 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:55:11,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 15:55:11,447 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)] === [2024-11-08 15:55:11,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:11,448 INFO L85 PathProgramCache]: Analyzing trace with hash 43383936, now seen corresponding path program 1 times [2024-11-08 15:55:11,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:11,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185487497] [2024-11-08 15:55:11,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:11,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:11,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:11,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:11,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185487497] [2024-11-08 15:55:11,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185487497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:11,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:11,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:55:11,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849635306] [2024-11-08 15:55:11,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:11,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 15:55:11,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:11,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 15:55:11,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-08 15:55:11,829 INFO L87 Difference]: Start difference. First operand 10068 states and 13896 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:12,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:12,467 INFO L93 Difference]: Finished difference Result 25745 states and 36188 transitions. [2024-11-08 15:55:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 15:55:12,467 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-08 15:55:12,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:12,485 INFO L225 Difference]: With dead ends: 25745 [2024-11-08 15:55:12,485 INFO L226 Difference]: Without dead ends: 18612 [2024-11-08 15:55:12,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-08 15:55:12,495 INFO L432 NwaCegarLoop]: 421 mSDtfsCounter, 2933 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2933 SdHoareTripleChecker+Valid, 1487 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:12,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2933 Valid, 1487 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 15:55:12,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18612 states. [2024-11-08 15:55:12,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18612 to 9762. [2024-11-08 15:55:12,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9762 states, 9755 states have (on average 1.380112762685802) internal successors, (13463), 9761 states have internal predecessors, (13463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:12,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9762 states to 9762 states and 13463 transitions. [2024-11-08 15:55:12,661 INFO L78 Accepts]: Start accepts. Automaton has 9762 states and 13463 transitions. Word has length 69 [2024-11-08 15:55:12,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:12,661 INFO L471 AbstractCegarLoop]: Abstraction has 9762 states and 13463 transitions. [2024-11-08 15:55:12,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:12,661 INFO L276 IsEmpty]: Start isEmpty. Operand 9762 states and 13463 transitions. [2024-11-08 15:55:12,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 15:55:12,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:12,670 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:55:12,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 15:55:12,670 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)] === [2024-11-08 15:55:12,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:12,671 INFO L85 PathProgramCache]: Analyzing trace with hash 80806030, now seen corresponding path program 1 times [2024-11-08 15:55:12,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:12,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66658876] [2024-11-08 15:55:12,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:12,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:13,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:13,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:13,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66658876] [2024-11-08 15:55:13,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66658876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:13,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:13,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 15:55:13,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193296531] [2024-11-08 15:55:13,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:13,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:55:13,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:13,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:55:13,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:55:13,025 INFO L87 Difference]: Start difference. First operand 9762 states and 13463 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:13,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:13,873 INFO L93 Difference]: Finished difference Result 24911 states and 34970 transitions. [2024-11-08 15:55:13,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:55:13,874 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-08 15:55:13,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:13,893 INFO L225 Difference]: With dead ends: 24911 [2024-11-08 15:55:13,893 INFO L226 Difference]: Without dead ends: 18236 [2024-11-08 15:55:13,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-08 15:55:13,904 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 2418 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 2295 SdHoareTripleChecker+Invalid, 1424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:13,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2418 Valid, 2295 Invalid, 1424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1396 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 15:55:13,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18236 states. [2024-11-08 15:55:14,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18236 to 9627. [2024-11-08 15:55:14,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9627 states, 9620 states have (on average 1.3798336798336799) internal successors, (13274), 9626 states have internal predecessors, (13274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:14,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9627 states to 9627 states and 13274 transitions. [2024-11-08 15:55:14,091 INFO L78 Accepts]: Start accepts. Automaton has 9627 states and 13274 transitions. Word has length 69 [2024-11-08 15:55:14,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:14,091 INFO L471 AbstractCegarLoop]: Abstraction has 9627 states and 13274 transitions. [2024-11-08 15:55:14,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:14,092 INFO L276 IsEmpty]: Start isEmpty. Operand 9627 states and 13274 transitions. [2024-11-08 15:55:14,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 15:55:14,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:14,098 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:55:14,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 15:55:14,099 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)] === [2024-11-08 15:55:14,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:14,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1560265185, now seen corresponding path program 1 times [2024-11-08 15:55:14,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:14,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254185511] [2024-11-08 15:55:14,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:14,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:14,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:14,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:14,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254185511] [2024-11-08 15:55:14,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254185511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:14,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:14,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 15:55:14,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237088247] [2024-11-08 15:55:14,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:14,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:55:14,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:14,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:55:14,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:55:14,506 INFO L87 Difference]: Start difference. First operand 9627 states and 13274 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:15,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:15,362 INFO L93 Difference]: Finished difference Result 21284 states and 29794 transitions. [2024-11-08 15:55:15,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:55:15,363 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-08 15:55:15,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:15,379 INFO L225 Difference]: With dead ends: 21284 [2024-11-08 15:55:15,379 INFO L226 Difference]: Without dead ends: 14833 [2024-11-08 15:55:15,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-08 15:55:15,389 INFO L432 NwaCegarLoop]: 477 mSDtfsCounter, 3415 mSDsluCounter, 1441 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3415 SdHoareTripleChecker+Valid, 1918 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:15,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3415 Valid, 1918 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 15:55:15,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14833 states. [2024-11-08 15:55:15,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14833 to 9603. [2024-11-08 15:55:15,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9603 states, 9596 states have (on average 1.3792205085452272) internal successors, (13235), 9602 states have internal predecessors, (13235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:15,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9603 states to 9603 states and 13235 transitions. [2024-11-08 15:55:15,509 INFO L78 Accepts]: Start accepts. Automaton has 9603 states and 13235 transitions. Word has length 69 [2024-11-08 15:55:15,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:15,510 INFO L471 AbstractCegarLoop]: Abstraction has 9603 states and 13235 transitions. [2024-11-08 15:55:15,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:15,510 INFO L276 IsEmpty]: Start isEmpty. Operand 9603 states and 13235 transitions. [2024-11-08 15:55:15,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 15:55:15,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:15,516 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:55:15,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 15:55:15,517 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)] === [2024-11-08 15:55:15,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:15,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1474423363, now seen corresponding path program 1 times [2024-11-08 15:55:15,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:15,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27376563] [2024-11-08 15:55:15,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:15,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:15,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:15,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:15,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27376563] [2024-11-08 15:55:15,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27376563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:15,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:15,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 15:55:15,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708040815] [2024-11-08 15:55:15,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:15,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:55:15,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:15,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:55:15,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:55:15,872 INFO L87 Difference]: Start difference. First operand 9603 states and 13235 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:16,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:16,844 INFO L93 Difference]: Finished difference Result 21074 states and 29485 transitions. [2024-11-08 15:55:16,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:55:16,845 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-08 15:55:16,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:16,859 INFO L225 Difference]: With dead ends: 21074 [2024-11-08 15:55:16,859 INFO L226 Difference]: Without dead ends: 14650 [2024-11-08 15:55:16,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-08 15:55:16,868 INFO L432 NwaCegarLoop]: 470 mSDtfsCounter, 3407 mSDsluCounter, 1430 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3407 SdHoareTripleChecker+Valid, 1900 SdHoareTripleChecker+Invalid, 1264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:16,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3407 Valid, 1900 Invalid, 1264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 15:55:16,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14650 states. [2024-11-08 15:55:17,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14650 to 9591. [2024-11-08 15:55:17,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9591 states, 9584 states have (on average 1.3785475792988313) internal successors, (13212), 9590 states have internal predecessors, (13212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:17,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9591 states to 9591 states and 13212 transitions. [2024-11-08 15:55:17,051 INFO L78 Accepts]: Start accepts. Automaton has 9591 states and 13212 transitions. Word has length 69 [2024-11-08 15:55:17,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:17,051 INFO L471 AbstractCegarLoop]: Abstraction has 9591 states and 13212 transitions. [2024-11-08 15:55:17,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:17,051 INFO L276 IsEmpty]: Start isEmpty. Operand 9591 states and 13212 transitions. [2024-11-08 15:55:17,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-08 15:55:17,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:17,058 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:55:17,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 15:55:17,059 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)] === [2024-11-08 15:55:17,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:17,059 INFO L85 PathProgramCache]: Analyzing trace with hash -688548458, now seen corresponding path program 1 times [2024-11-08 15:55:17,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:17,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025590715] [2024-11-08 15:55:17,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:17,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:17,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:17,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:17,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025590715] [2024-11-08 15:55:17,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025590715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:17,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:17,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 15:55:17,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251195081] [2024-11-08 15:55:17,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:17,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 15:55:17,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:17,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 15:55:17,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:55:17,826 INFO L87 Difference]: Start difference. First operand 9591 states and 13212 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:19,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:19,254 INFO L93 Difference]: Finished difference Result 34120 states and 48024 transitions. [2024-11-08 15:55:19,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 15:55:19,255 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-08 15:55:19,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:19,292 INFO L225 Difference]: With dead ends: 34120 [2024-11-08 15:55:19,292 INFO L226 Difference]: Without dead ends: 27699 [2024-11-08 15:55:19,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-08 15:55:19,304 INFO L432 NwaCegarLoop]: 599 mSDtfsCounter, 5276 mSDsluCounter, 3234 mSDsCounter, 0 mSdLazyCounter, 1251 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5276 SdHoareTripleChecker+Valid, 3833 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:19,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5276 Valid, 3833 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1251 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 15:55:19,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27699 states. [2024-11-08 15:55:19,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27699 to 9571. [2024-11-08 15:55:19,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9571 states, 9565 states have (on average 1.377417668583377) internal successors, (13175), 9570 states have internal predecessors, (13175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:19,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9571 states to 9571 states and 13175 transitions. [2024-11-08 15:55:19,494 INFO L78 Accepts]: Start accepts. Automaton has 9571 states and 13175 transitions. Word has length 70 [2024-11-08 15:55:19,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:19,495 INFO L471 AbstractCegarLoop]: Abstraction has 9571 states and 13175 transitions. [2024-11-08 15:55:19,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:19,495 INFO L276 IsEmpty]: Start isEmpty. Operand 9571 states and 13175 transitions. [2024-11-08 15:55:19,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-08 15:55:19,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:19,500 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:55:19,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 15:55:19,501 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)] === [2024-11-08 15:55:19,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:19,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1142484158, now seen corresponding path program 1 times [2024-11-08 15:55:19,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:19,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510534354] [2024-11-08 15:55:19,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:19,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:20,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:20,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:20,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510534354] [2024-11-08 15:55:20,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510534354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:20,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:20,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 15:55:20,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663112630] [2024-11-08 15:55:20,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:20,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 15:55:20,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:20,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 15:55:20,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-08 15:55:20,071 INFO L87 Difference]: Start difference. First operand 9571 states and 13175 transitions. Second operand has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:20,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:20,863 INFO L93 Difference]: Finished difference Result 27781 states and 39000 transitions. [2024-11-08 15:55:20,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:55:20,863 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-08 15:55:20,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:20,886 INFO L225 Difference]: With dead ends: 27781 [2024-11-08 15:55:20,886 INFO L226 Difference]: Without dead ends: 21104 [2024-11-08 15:55:20,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2024-11-08 15:55:20,897 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 4609 mSDsluCounter, 2052 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4609 SdHoareTripleChecker+Valid, 2601 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:20,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4609 Valid, 2601 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 15:55:20,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21104 states. [2024-11-08 15:55:21,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21104 to 9322. [2024-11-08 15:55:21,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9322 states, 9317 states have (on average 1.3754427390791026) internal successors, (12815), 9321 states have internal predecessors, (12815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:21,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9322 states to 9322 states and 12815 transitions. [2024-11-08 15:55:21,070 INFO L78 Accepts]: Start accepts. Automaton has 9322 states and 12815 transitions. Word has length 70 [2024-11-08 15:55:21,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:21,070 INFO L471 AbstractCegarLoop]: Abstraction has 9322 states and 12815 transitions. [2024-11-08 15:55:21,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.363636363636363) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:21,070 INFO L276 IsEmpty]: Start isEmpty. Operand 9322 states and 12815 transitions. [2024-11-08 15:55:21,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-08 15:55:21,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:21,075 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:55:21,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 15:55:21,075 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)] === [2024-11-08 15:55:21,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:21,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1346201798, now seen corresponding path program 1 times [2024-11-08 15:55:21,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:21,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595665175] [2024-11-08 15:55:21,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:21,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:21,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:21,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:21,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595665175] [2024-11-08 15:55:21,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595665175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:21,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:21,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:21,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709659396] [2024-11-08 15:55:21,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:21,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:21,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:21,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:21,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:21,223 INFO L87 Difference]: Start difference. First operand 9322 states and 12815 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:21,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:21,279 INFO L93 Difference]: Finished difference Result 13044 states and 18007 transitions. [2024-11-08 15:55:21,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:21,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-08 15:55:21,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:21,291 INFO L225 Difference]: With dead ends: 13044 [2024-11-08 15:55:21,291 INFO L226 Difference]: Without dead ends: 9328 [2024-11-08 15:55:21,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:21,297 INFO L432 NwaCegarLoop]: 812 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, 1357 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 [2024-11-08 15:55:21,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 1357 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:55:21,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9328 states. [2024-11-08 15:55:21,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9328 to 9322. [2024-11-08 15:55:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9322 states, 9317 states have (on average 1.3622410647204035) internal successors, (12692), 9321 states have internal predecessors, (12692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:21,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9322 states to 9322 states and 12692 transitions. [2024-11-08 15:55:21,406 INFO L78 Accepts]: Start accepts. Automaton has 9322 states and 12692 transitions. Word has length 70 [2024-11-08 15:55:21,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:21,407 INFO L471 AbstractCegarLoop]: Abstraction has 9322 states and 12692 transitions. [2024-11-08 15:55:21,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:21,407 INFO L276 IsEmpty]: Start isEmpty. Operand 9322 states and 12692 transitions. [2024-11-08 15:55:21,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-08 15:55:21,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:21,413 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:55:21,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 15:55:21,414 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)] === [2024-11-08 15:55:21,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:21,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1360936426, now seen corresponding path program 1 times [2024-11-08 15:55:21,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:21,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738469697] [2024-11-08 15:55:21,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:21,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:22,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:22,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:22,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738469697] [2024-11-08 15:55:22,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738469697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:22,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:22,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:55:22,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886069786] [2024-11-08 15:55:22,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:22,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:55:22,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:22,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:55:22,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:55:22,036 INFO L87 Difference]: Start difference. First operand 9322 states and 12692 transitions. Second operand has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:22,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:22,770 INFO L93 Difference]: Finished difference Result 18156 states and 25129 transitions. [2024-11-08 15:55:22,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:55:22,771 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-08 15:55:22,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:22,783 INFO L225 Difference]: With dead ends: 18156 [2024-11-08 15:55:22,783 INFO L226 Difference]: Without dead ends: 11364 [2024-11-08 15:55:22,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-11-08 15:55:22,789 INFO L432 NwaCegarLoop]: 546 mSDtfsCounter, 3334 mSDsluCounter, 2157 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3334 SdHoareTripleChecker+Valid, 2703 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:22,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3334 Valid, 2703 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 15:55:22,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11364 states. [2024-11-08 15:55:22,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11364 to 8925. [2024-11-08 15:55:22,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8925 states, 8922 states have (on average 1.3635956063662855) internal successors, (12166), 8924 states have internal predecessors, (12166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8925 states to 8925 states and 12166 transitions. [2024-11-08 15:55:22,877 INFO L78 Accepts]: Start accepts. Automaton has 8925 states and 12166 transitions. Word has length 70 [2024-11-08 15:55:22,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:22,877 INFO L471 AbstractCegarLoop]: Abstraction has 8925 states and 12166 transitions. [2024-11-08 15:55:22,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:22,877 INFO L276 IsEmpty]: Start isEmpty. Operand 8925 states and 12166 transitions. [2024-11-08 15:55:22,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 15:55:22,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:22,882 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:55:22,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 15:55:22,883 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)] === [2024-11-08 15:55:22,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:22,883 INFO L85 PathProgramCache]: Analyzing trace with hash -452169058, now seen corresponding path program 1 times [2024-11-08 15:55:22,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:22,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716462222] [2024-11-08 15:55:22,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:22,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:22,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:22,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716462222] [2024-11-08 15:55:22,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716462222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:22,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:22,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:22,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285692962] [2024-11-08 15:55:22,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:22,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:22,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:22,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:22,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:22,955 INFO L87 Difference]: Start difference. First operand 8925 states and 12166 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:23,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:23,082 INFO L93 Difference]: Finished difference Result 18405 states and 25335 transitions. [2024-11-08 15:55:23,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:23,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-08 15:55:23,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:23,100 INFO L225 Difference]: With dead ends: 18405 [2024-11-08 15:55:23,101 INFO L226 Difference]: Without dead ends: 12892 [2024-11-08 15:55:23,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:23,111 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 381 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:23,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 528 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:55:23,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12892 states. [2024-11-08 15:55:23,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12892 to 12854. [2024-11-08 15:55:23,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12854 states, 12853 states have (on average 1.38131175601027) internal successors, (17754), 12853 states have internal predecessors, (17754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:23,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12854 states to 12854 states and 17754 transitions. [2024-11-08 15:55:23,268 INFO L78 Accepts]: Start accepts. Automaton has 12854 states and 17754 transitions. Word has length 72 [2024-11-08 15:55:23,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:23,268 INFO L471 AbstractCegarLoop]: Abstraction has 12854 states and 17754 transitions. [2024-11-08 15:55:23,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:23,268 INFO L276 IsEmpty]: Start isEmpty. Operand 12854 states and 17754 transitions. [2024-11-08 15:55:23,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 15:55:23,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:23,279 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:55:23,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 15:55:23,280 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)] === [2024-11-08 15:55:23,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:23,280 INFO L85 PathProgramCache]: Analyzing trace with hash -786160929, now seen corresponding path program 1 times [2024-11-08 15:55:23,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:23,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121572121] [2024-11-08 15:55:23,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:23,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:23,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:23,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:23,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121572121] [2024-11-08 15:55:23,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121572121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:23,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:23,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:55:23,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802242648] [2024-11-08 15:55:23,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:23,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:55:23,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:23,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:55:23,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:55:23,420 INFO L87 Difference]: Start difference. First operand 12854 states and 17754 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) [2024-11-08 15:55:23,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:23,669 INFO L93 Difference]: Finished difference Result 60276 states and 85196 transitions. [2024-11-08 15:55:23,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 15:55:23,670 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 [2024-11-08 15:55:23,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:23,741 INFO L225 Difference]: With dead ends: 60276 [2024-11-08 15:55:23,741 INFO L226 Difference]: Without dead ends: 49753 [2024-11-08 15:55:23,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:55:23,768 INFO L432 NwaCegarLoop]: 408 mSDtfsCounter, 2053 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2053 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:23,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2053 Valid, 1224 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:55:23,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49753 states. [2024-11-08 15:55:24,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49753 to 23375. [2024-11-08 15:55:24,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23375 states, 23374 states have (on average 1.38423034140498) internal successors, (32355), 23374 states have internal predecessors, (32355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:24,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23375 states to 23375 states and 32355 transitions. [2024-11-08 15:55:24,389 INFO L78 Accepts]: Start accepts. Automaton has 23375 states and 32355 transitions. Word has length 86 [2024-11-08 15:55:24,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:24,390 INFO L471 AbstractCegarLoop]: Abstraction has 23375 states and 32355 transitions. [2024-11-08 15:55:24,390 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) [2024-11-08 15:55:24,390 INFO L276 IsEmpty]: Start isEmpty. Operand 23375 states and 32355 transitions. [2024-11-08 15:55:24,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 15:55:24,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:24,413 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] [2024-11-08 15:55:24,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 15:55:24,414 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)] === [2024-11-08 15:55:24,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:24,414 INFO L85 PathProgramCache]: Analyzing trace with hash 623918678, now seen corresponding path program 1 times [2024-11-08 15:55:24,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:24,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088139023] [2024-11-08 15:55:24,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:24,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:24,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:24,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:24,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088139023] [2024-11-08 15:55:24,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088139023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:24,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:24,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:55:24,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699184523] [2024-11-08 15:55:24,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:24,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:55:24,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:24,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:55:24,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:55:24,615 INFO L87 Difference]: Start difference. First operand 23375 states and 32355 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 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) [2024-11-08 15:55:24,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:24,881 INFO L93 Difference]: Finished difference Result 38287 states and 52891 transitions. [2024-11-08 15:55:24,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 15:55:24,882 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 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 [2024-11-08 15:55:24,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:24,917 INFO L225 Difference]: With dead ends: 38287 [2024-11-08 15:55:24,917 INFO L226 Difference]: Without dead ends: 25474 [2024-11-08 15:55:24,934 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 [2024-11-08 15:55:24,935 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 905 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:24,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 1400 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 15:55:24,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25474 states. [2024-11-08 15:55:25,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25474 to 18418. [2024-11-08 15:55:25,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18418 states, 18417 states have (on average 1.3623825813107455) internal successors, (25091), 18417 states have internal predecessors, (25091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:25,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18418 states to 18418 states and 25091 transitions. [2024-11-08 15:55:25,177 INFO L78 Accepts]: Start accepts. Automaton has 18418 states and 25091 transitions. Word has length 87 [2024-11-08 15:55:25,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:25,178 INFO L471 AbstractCegarLoop]: Abstraction has 18418 states and 25091 transitions. [2024-11-08 15:55:25,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 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) [2024-11-08 15:55:25,178 INFO L276 IsEmpty]: Start isEmpty. Operand 18418 states and 25091 transitions. [2024-11-08 15:55:25,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 15:55:25,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:25,193 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] [2024-11-08 15:55:25,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 15:55:25,194 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)] === [2024-11-08 15:55:25,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:25,194 INFO L85 PathProgramCache]: Analyzing trace with hash 803271302, now seen corresponding path program 1 times [2024-11-08 15:55:25,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:25,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359502232] [2024-11-08 15:55:25,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:25,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:25,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:25,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:25,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359502232] [2024-11-08 15:55:25,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359502232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:25,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:25,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:25,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728443227] [2024-11-08 15:55:25,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:25,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:25,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:25,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:25,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:25,341 INFO L87 Difference]: Start difference. First operand 18418 states and 25091 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) [2024-11-08 15:55:25,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:25,480 INFO L93 Difference]: Finished difference Result 49820 states and 68395 transitions. [2024-11-08 15:55:25,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:25,481 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 [2024-11-08 15:55:25,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:25,517 INFO L225 Difference]: With dead ends: 49820 [2024-11-08 15:55:25,517 INFO L226 Difference]: Without dead ends: 33544 [2024-11-08 15:55:25,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:25,538 INFO L432 NwaCegarLoop]: 524 mSDtfsCounter, 155 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:25,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 885 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:55:25,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33544 states. [2024-11-08 15:55:25,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33544 to 31634. [2024-11-08 15:55:25,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31634 states, 31633 states have (on average 1.361710871558183) internal successors, (43075), 31633 states have internal predecessors, (43075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:25,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31634 states to 31634 states and 43075 transitions. [2024-11-08 15:55:25,931 INFO L78 Accepts]: Start accepts. Automaton has 31634 states and 43075 transitions. Word has length 88 [2024-11-08 15:55:25,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:25,932 INFO L471 AbstractCegarLoop]: Abstraction has 31634 states and 43075 transitions. [2024-11-08 15:55:25,932 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) [2024-11-08 15:55:25,932 INFO L276 IsEmpty]: Start isEmpty. Operand 31634 states and 43075 transitions. [2024-11-08 15:55:25,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 15:55:25,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:25,943 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] [2024-11-08 15:55:25,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 15:55:25,944 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)] === [2024-11-08 15:55:25,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:25,944 INFO L85 PathProgramCache]: Analyzing trace with hash 195252509, now seen corresponding path program 1 times [2024-11-08 15:55:25,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:25,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134360782] [2024-11-08 15:55:25,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:25,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:26,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:26,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:26,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134360782] [2024-11-08 15:55:26,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134360782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:26,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:26,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:26,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48415444] [2024-11-08 15:55:26,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:26,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:26,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:26,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:26,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:26,089 INFO L87 Difference]: Start difference. First operand 31634 states and 43075 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) [2024-11-08 15:55:26,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:26,299 INFO L93 Difference]: Finished difference Result 88698 states and 121081 transitions. [2024-11-08 15:55:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:26,299 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 [2024-11-08 15:55:26,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:26,367 INFO L225 Difference]: With dead ends: 88698 [2024-11-08 15:55:26,367 INFO L226 Difference]: Without dead ends: 59206 [2024-11-08 15:55:26,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:26,402 INFO L432 NwaCegarLoop]: 506 mSDtfsCounter, 143 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:26,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 874 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:55:26,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59206 states. [2024-11-08 15:55:26,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59206 to 55236. [2024-11-08 15:55:27,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55236 states, 55235 states have (on average 1.350683443468815) internal successors, (74605), 55235 states have internal predecessors, (74605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55236 states to 55236 states and 74605 transitions. [2024-11-08 15:55:27,329 INFO L78 Accepts]: Start accepts. Automaton has 55236 states and 74605 transitions. Word has length 89 [2024-11-08 15:55:27,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:27,330 INFO L471 AbstractCegarLoop]: Abstraction has 55236 states and 74605 transitions. [2024-11-08 15:55:27,330 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) [2024-11-08 15:55:27,330 INFO L276 IsEmpty]: Start isEmpty. Operand 55236 states and 74605 transitions. [2024-11-08 15:55:27,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 15:55:27,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:27,354 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:55:27,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-08 15:55:27,354 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)] === [2024-11-08 15:55:27,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:27,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1615072029, now seen corresponding path program 1 times [2024-11-08 15:55:27,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:27,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680978082] [2024-11-08 15:55:27,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:27,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:27,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:27,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680978082] [2024-11-08 15:55:27,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680978082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:27,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:27,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:27,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707000280] [2024-11-08 15:55:27,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:27,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:27,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:27,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:27,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:27,479 INFO L87 Difference]: Start difference. First operand 55236 states and 74605 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) [2024-11-08 15:55:27,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:27,823 INFO L93 Difference]: Finished difference Result 76385 states and 103200 transitions. [2024-11-08 15:55:27,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:27,823 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 [2024-11-08 15:55:27,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:27,881 INFO L225 Difference]: With dead ends: 76385 [2024-11-08 15:55:27,881 INFO L226 Difference]: Without dead ends: 45350 [2024-11-08 15:55:27,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:27,910 INFO L432 NwaCegarLoop]: 533 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, 920 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 [2024-11-08 15:55:27,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 920 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:55:27,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45350 states. [2024-11-08 15:55:28,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45350 to 45348. [2024-11-08 15:55:28,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45348 states, 45347 states have (on average 1.3439698326239884) internal successors, (60945), 45347 states have internal predecessors, (60945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:28,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45348 states to 45348 states and 60945 transitions. [2024-11-08 15:55:28,489 INFO L78 Accepts]: Start accepts. Automaton has 45348 states and 60945 transitions. Word has length 90 [2024-11-08 15:55:28,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:28,490 INFO L471 AbstractCegarLoop]: Abstraction has 45348 states and 60945 transitions. [2024-11-08 15:55:28,490 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) [2024-11-08 15:55:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 45348 states and 60945 transitions. [2024-11-08 15:55:28,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 15:55:28,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:28,500 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] [2024-11-08 15:55:28,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-08 15:55:28,500 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)] === [2024-11-08 15:55:28,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:28,501 INFO L85 PathProgramCache]: Analyzing trace with hash -992280540, now seen corresponding path program 1 times [2024-11-08 15:55:28,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:28,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783583177] [2024-11-08 15:55:28,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:28,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:28,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:28,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783583177] [2024-11-08 15:55:28,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783583177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:28,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:28,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:28,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791119488] [2024-11-08 15:55:28,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:28,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:28,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:28,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:28,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:28,634 INFO L87 Difference]: Start difference. First operand 45348 states and 60945 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) [2024-11-08 15:55:29,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:29,268 INFO L93 Difference]: Finished difference Result 128848 states and 173083 transitions. [2024-11-08 15:55:29,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:29,269 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 [2024-11-08 15:55:29,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:29,379 INFO L225 Difference]: With dead ends: 128848 [2024-11-08 15:55:29,379 INFO L226 Difference]: Without dead ends: 85578 [2024-11-08 15:55:29,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:29,414 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 130 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:29,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 856 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 15:55:29,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85578 states. [2024-11-08 15:55:30,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85578 to 79368. [2024-11-08 15:55:30,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79368 states, 79367 states have (on average 1.326558897274686) internal successors, (105285), 79367 states have internal predecessors, (105285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:30,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79368 states to 79368 states and 105285 transitions. [2024-11-08 15:55:30,555 INFO L78 Accepts]: Start accepts. Automaton has 79368 states and 105285 transitions. Word has length 90 [2024-11-08 15:55:30,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:30,555 INFO L471 AbstractCegarLoop]: Abstraction has 79368 states and 105285 transitions. [2024-11-08 15:55:30,555 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) [2024-11-08 15:55:30,555 INFO L276 IsEmpty]: Start isEmpty. Operand 79368 states and 105285 transitions. [2024-11-08 15:55:30,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 15:55:30,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:30,562 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] [2024-11-08 15:55:30,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-08 15:55:30,562 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)] === [2024-11-08 15:55:30,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:30,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1918040975, now seen corresponding path program 1 times [2024-11-08 15:55:30,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:30,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199670330] [2024-11-08 15:55:30,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:30,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:30,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:30,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:30,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199670330] [2024-11-08 15:55:30,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199670330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:30,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:30,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:30,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142200518] [2024-11-08 15:55:30,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:30,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:30,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:30,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:30,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:30,644 INFO L87 Difference]: Start difference. First operand 79368 states and 105285 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) [2024-11-08 15:55:31,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:31,261 INFO L93 Difference]: Finished difference Result 96730 states and 128464 transitions. [2024-11-08 15:55:31,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:31,262 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 [2024-11-08 15:55:31,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:31,336 INFO L225 Difference]: With dead ends: 96730 [2024-11-08 15:55:31,336 INFO L226 Difference]: Without dead ends: 65510 [2024-11-08 15:55:31,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:31,361 INFO L432 NwaCegarLoop]: 561 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, 888 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 [2024-11-08 15:55:31,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 888 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:55:31,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65510 states. [2024-11-08 15:55:32,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65510 to 65508. [2024-11-08 15:55:32,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65508 states, 65507 states have (on average 1.3272169386477781) internal successors, (86942), 65507 states have internal predecessors, (86942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:32,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65508 states to 65508 states and 86942 transitions. [2024-11-08 15:55:32,208 INFO L78 Accepts]: Start accepts. Automaton has 65508 states and 86942 transitions. Word has length 91 [2024-11-08 15:55:32,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:32,208 INFO L471 AbstractCegarLoop]: Abstraction has 65508 states and 86942 transitions. [2024-11-08 15:55:32,209 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) [2024-11-08 15:55:32,209 INFO L276 IsEmpty]: Start isEmpty. Operand 65508 states and 86942 transitions. [2024-11-08 15:55:32,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 15:55:32,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:32,215 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:55:32,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-08 15:55:32,215 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)] === [2024-11-08 15:55:32,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:32,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1248064469, now seen corresponding path program 1 times [2024-11-08 15:55:32,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:32,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87761819] [2024-11-08 15:55:32,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:32,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:32,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:32,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:32,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87761819] [2024-11-08 15:55:32,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87761819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:32,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:32,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:32,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371842984] [2024-11-08 15:55:32,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:32,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:32,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:32,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:32,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:32,351 INFO L87 Difference]: Start difference. First operand 65508 states and 86942 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:33,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:33,166 INFO L93 Difference]: Finished difference Result 187416 states and 248400 transitions. [2024-11-08 15:55:33,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:33,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-08 15:55:33,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:33,328 INFO L225 Difference]: With dead ends: 187416 [2024-11-08 15:55:33,328 INFO L226 Difference]: Without dead ends: 123902 [2024-11-08 15:55:33,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:33,379 INFO L432 NwaCegarLoop]: 470 mSDtfsCounter, 108 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:33,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 836 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:55:33,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123902 states. [2024-11-08 15:55:34,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123902 to 115964. [2024-11-08 15:55:34,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115964 states, 115963 states have (on average 1.3148159326681785) internal successors, (152470), 115963 states have internal predecessors, (152470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:35,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115964 states to 115964 states and 152470 transitions. [2024-11-08 15:55:35,217 INFO L78 Accepts]: Start accepts. Automaton has 115964 states and 152470 transitions. Word has length 92 [2024-11-08 15:55:35,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:35,218 INFO L471 AbstractCegarLoop]: Abstraction has 115964 states and 152470 transitions. [2024-11-08 15:55:35,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:35,218 INFO L276 IsEmpty]: Start isEmpty. Operand 115964 states and 152470 transitions. [2024-11-08 15:55:35,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 15:55:35,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:35,226 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] [2024-11-08 15:55:35,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-08 15:55:35,226 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)] === [2024-11-08 15:55:35,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:35,226 INFO L85 PathProgramCache]: Analyzing trace with hash -290315974, now seen corresponding path program 1 times [2024-11-08 15:55:35,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:35,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749560662] [2024-11-08 15:55:35,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:35,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:35,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:35,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:35,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749560662] [2024-11-08 15:55:35,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749560662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:35,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:35,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:55:35,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785433928] [2024-11-08 15:55:35,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:35,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:55:35,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:35,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:55:35,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:55:35,949 INFO L87 Difference]: Start difference. First operand 115964 states and 152470 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:36,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:36,365 INFO L93 Difference]: Finished difference Result 124798 states and 164247 transitions. [2024-11-08 15:55:36,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 15:55:36,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-08 15:55:36,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:36,540 INFO L225 Difference]: With dead ends: 124798 [2024-11-08 15:55:36,540 INFO L226 Difference]: Without dead ends: 124796 [2024-11-08 15:55:36,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:55:36,579 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 0 mSDsluCounter, 1653 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2076 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:36,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2076 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:55:36,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124796 states. [2024-11-08 15:55:38,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124796 to 124796. [2024-11-08 15:55:38,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124796 states, 124795 states have (on average 1.2925357586441764) internal successors, (161302), 124795 states have internal predecessors, (161302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:38,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124796 states to 124796 states and 161302 transitions. [2024-11-08 15:55:38,383 INFO L78 Accepts]: Start accepts. Automaton has 124796 states and 161302 transitions. Word has length 94 [2024-11-08 15:55:38,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:38,383 INFO L471 AbstractCegarLoop]: Abstraction has 124796 states and 161302 transitions. [2024-11-08 15:55:38,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:38,384 INFO L276 IsEmpty]: Start isEmpty. Operand 124796 states and 161302 transitions. [2024-11-08 15:55:38,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 15:55:38,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:38,390 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] [2024-11-08 15:55:38,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-08 15:55:38,391 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)] === [2024-11-08 15:55:38,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:38,391 INFO L85 PathProgramCache]: Analyzing trace with hash 95243205, now seen corresponding path program 1 times [2024-11-08 15:55:38,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:38,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712368096] [2024-11-08 15:55:38,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:38,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:38,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:38,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:38,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712368096] [2024-11-08 15:55:38,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712368096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:38,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:38,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:38,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590028981] [2024-11-08 15:55:38,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:38,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:38,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:38,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:38,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:38,470 INFO L87 Difference]: Start difference. First operand 124796 states and 161302 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:39,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:39,934 INFO L93 Difference]: Finished difference Result 314480 states and 404296 transitions. [2024-11-08 15:55:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:39,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2024-11-08 15:55:39,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:40,228 INFO L225 Difference]: With dead ends: 314480 [2024-11-08 15:55:40,228 INFO L226 Difference]: Without dead ends: 191678 [2024-11-08 15:55:40,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:40,292 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 326 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:40,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 612 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:55:40,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191678 states. [2024-11-08 15:55:42,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191678 to 191676. [2024-11-08 15:55:42,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191676 states, 191675 states have (on average 1.272268162253815) internal successors, (243862), 191675 states have internal predecessors, (243862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:43,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191676 states to 191676 states and 243862 transitions. [2024-11-08 15:55:43,009 INFO L78 Accepts]: Start accepts. Automaton has 191676 states and 243862 transitions. Word has length 95 [2024-11-08 15:55:43,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:43,009 INFO L471 AbstractCegarLoop]: Abstraction has 191676 states and 243862 transitions. [2024-11-08 15:55:43,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:43,010 INFO L276 IsEmpty]: Start isEmpty. Operand 191676 states and 243862 transitions. [2024-11-08 15:55:43,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 15:55:43,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:43,016 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] [2024-11-08 15:55:43,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-08 15:55:43,017 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)] === [2024-11-08 15:55:43,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:43,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1137070122, now seen corresponding path program 1 times [2024-11-08 15:55:43,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:43,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849085312] [2024-11-08 15:55:43,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:43,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:43,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:43,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:43,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849085312] [2024-11-08 15:55:43,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849085312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:43,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:43,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:55:43,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880009503] [2024-11-08 15:55:43,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:43,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:55:43,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:43,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:55:43,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:55:43,168 INFO L87 Difference]: Start difference. First operand 191676 states and 243862 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:44,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:44,697 INFO L93 Difference]: Finished difference Result 305934 states and 391043 transitions. [2024-11-08 15:55:44,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 15:55:44,698 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-08 15:55:44,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:45,071 INFO L225 Difference]: With dead ends: 305934 [2024-11-08 15:55:45,071 INFO L226 Difference]: Without dead ends: 266692 [2024-11-08 15:55:45,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:55:45,139 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 1585 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 1312 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:45,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 1312 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:55:45,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266692 states. [2024-11-08 15:55:48,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266692 to 221444. [2024-11-08 15:55:48,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221444 states, 221443 states have (on average 1.2705662405223919) internal successors, (281358), 221443 states have internal predecessors, (281358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:49,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221444 states to 221444 states and 281358 transitions. [2024-11-08 15:55:49,330 INFO L78 Accepts]: Start accepts. Automaton has 221444 states and 281358 transitions. Word has length 97 [2024-11-08 15:55:49,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:49,331 INFO L471 AbstractCegarLoop]: Abstraction has 221444 states and 281358 transitions. [2024-11-08 15:55:49,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:49,331 INFO L276 IsEmpty]: Start isEmpty. Operand 221444 states and 281358 transitions. [2024-11-08 15:55:49,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-08 15:55:49,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:49,345 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] [2024-11-08 15:55:49,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-08 15:55:49,346 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)] === [2024-11-08 15:55:49,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:49,346 INFO L85 PathProgramCache]: Analyzing trace with hash -66918083, now seen corresponding path program 1 times [2024-11-08 15:55:49,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:49,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879347835] [2024-11-08 15:55:49,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:49,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:49,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:49,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:49,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879347835] [2024-11-08 15:55:49,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879347835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:49,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:49,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:55:49,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586183119] [2024-11-08 15:55:49,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:49,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:55:49,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:49,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:55:49,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:49,509 INFO L87 Difference]: Start difference. First operand 221444 states and 281358 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:50,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:50,495 INFO L93 Difference]: Finished difference Result 439567 states and 558443 transitions. [2024-11-08 15:55:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:55:50,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-08 15:55:50,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:51,892 INFO L225 Difference]: With dead ends: 439567 [2024-11-08 15:55:51,892 INFO L226 Difference]: Without dead ends: 306846 [2024-11-08 15:55:51,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:55:51,998 INFO L432 NwaCegarLoop]: 402 mSDtfsCounter, 376 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:51,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 569 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:55:52,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306846 states. [2024-11-08 15:55:54,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306846 to 217969. [2024-11-08 15:55:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217969 states, 217968 states have (on average 1.2674383395727813) internal successors, (276261), 217968 states have internal predecessors, (276261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:55,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217969 states to 217969 states and 276261 transitions. [2024-11-08 15:55:55,480 INFO L78 Accepts]: Start accepts. Automaton has 217969 states and 276261 transitions. Word has length 98 [2024-11-08 15:55:55,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:55:55,481 INFO L471 AbstractCegarLoop]: Abstraction has 217969 states and 276261 transitions. [2024-11-08 15:55:55,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:55,481 INFO L276 IsEmpty]: Start isEmpty. Operand 217969 states and 276261 transitions. [2024-11-08 15:55:55,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 15:55:55,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:55:55,487 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, 1] [2024-11-08 15:55:55,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-08 15:55:55,488 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)] === [2024-11-08 15:55:55,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:55:55,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1368723189, now seen corresponding path program 1 times [2024-11-08 15:55:55,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:55:55,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222634301] [2024-11-08 15:55:55,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:55:55,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:55:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:55:55,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:55:55,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:55:55,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222634301] [2024-11-08 15:55:55,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222634301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:55:55,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:55:55,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:55:55,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394180577] [2024-11-08 15:55:55,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:55:55,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:55:55,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:55:55,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:55:55,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:55:55,664 INFO L87 Difference]: Start difference. First operand 217969 states and 276261 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:55:57,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:55:57,286 INFO L93 Difference]: Finished difference Result 313187 states and 398546 transitions. [2024-11-08 15:55:57,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 15:55:57,287 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-08 15:55:57,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:55:57,711 INFO L225 Difference]: With dead ends: 313187 [2024-11-08 15:55:57,712 INFO L226 Difference]: Without dead ends: 275097 [2024-11-08 15:55:57,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:55:57,821 INFO L432 NwaCegarLoop]: 506 mSDtfsCounter, 1573 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1573 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:55:57,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1573 Valid, 1309 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:55:58,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275097 states. [2024-11-08 15:56:01,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275097 to 246969. [2024-11-08 15:56:01,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246969 states, 246968 states have (on average 1.265771274011208) internal successors, (312605), 246968 states have internal predecessors, (312605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)