./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1b965f33911949d5293afac2c8bd242d07bfd4e9981eefc7864b2608138df3f --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 22:46:55,143 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 22:46:55,211 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 22:46:55,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 22:46:55,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 22:46:55,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 22:46:55,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 22:46:55,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 22:46:55,266 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 22:46:55,267 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 22:46:55,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 22:46:55,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 22:46:55,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 22:46:55,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 22:46:55,269 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 22:46:55,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 22:46:55,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 22:46:55,271 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 22:46:55,271 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 22:46:55,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 22:46:55,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 22:46:55,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 22:46:55,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 22:46:55,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 22:46:55,276 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 22:46:55,276 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 22:46:55,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 22:46:55,277 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 22:46:55,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 22:46:55,277 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 22:46:55,279 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 22:46:55,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 22:46:55,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:46:55,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 22:46:55,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 22:46:55,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 22:46:55,281 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 22:46:55,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 22:46:55,281 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 22:46:55,282 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 22:46:55,282 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 22:46:55,282 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 22:46:55,282 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1b965f33911949d5293afac2c8bd242d07bfd4e9981eefc7864b2608138df3f [2024-11-19 22:46:55,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 22:46:55,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 22:46:55,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 22:46:55,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 22:46:55,557 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 22:46:55,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-19 22:46:57,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 22:46:57,367 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 22:46:57,368 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-19 22:46:57,401 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dafef36b/243dd365a2654fcfbfd716144b599a18/FLAG1e4c33958 [2024-11-19 22:46:57,577 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dafef36b/243dd365a2654fcfbfd716144b599a18 [2024-11-19 22:46:57,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 22:46:57,581 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 22:46:57,582 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 22:46:57,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 22:46:57,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 22:46:57,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:46:57" (1/1) ... [2024-11-19 22:46:57,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce0dbf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:57, skipping insertion in model container [2024-11-19 22:46:57,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:46:57" (1/1) ... [2024-11-19 22:46:57,698 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 22:46:58,092 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.UNBOUNDED.pals.c.v+lhb-reducer.c[11900,11913] [2024-11-19 22:46:58,186 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.UNBOUNDED.pals.c.v+lhb-reducer.c[18638,18651] [2024-11-19 22:46:58,207 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.UNBOUNDED.pals.c.v+lhb-reducer.c[20836,20849] [2024-11-19 22:46:58,223 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.UNBOUNDED.pals.c.v+lhb-reducer.c[21913,21926] [2024-11-19 22:46:58,248 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.UNBOUNDED.pals.c.v+lhb-reducer.c[25266,25279] [2024-11-19 22:46:58,258 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.UNBOUNDED.pals.c.v+lhb-reducer.c[26346,26359] [2024-11-19 22:46:58,272 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.UNBOUNDED.pals.c.v+lhb-reducer.c[28575,28588] [2024-11-19 22:46:58,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:46:58,684 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 22:46:58,723 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.UNBOUNDED.pals.c.v+lhb-reducer.c[11900,11913] [2024-11-19 22:46:58,735 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.UNBOUNDED.pals.c.v+lhb-reducer.c[18638,18651] [2024-11-19 22:46:58,741 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.UNBOUNDED.pals.c.v+lhb-reducer.c[20836,20849] [2024-11-19 22:46:58,745 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.UNBOUNDED.pals.c.v+lhb-reducer.c[21913,21926] [2024-11-19 22:46:58,754 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.UNBOUNDED.pals.c.v+lhb-reducer.c[25266,25279] [2024-11-19 22:46:58,757 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.UNBOUNDED.pals.c.v+lhb-reducer.c[26346,26359] [2024-11-19 22:46:58,763 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.UNBOUNDED.pals.c.v+lhb-reducer.c[28575,28588] [2024-11-19 22:46:58,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:46:59,003 INFO L204 MainTranslator]: Completed translation [2024-11-19 22:46:59,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:59 WrapperNode [2024-11-19 22:46:59,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 22:46:59,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 22:46:59,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 22:46:59,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 22:46:59,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:59" (1/1) ... [2024-11-19 22:46:59,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:59" (1/1) ... [2024-11-19 22:46:59,266 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 7046 [2024-11-19 22:46:59,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 22:46:59,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 22:46:59,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 22:46:59,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 22:46:59,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:59" (1/1) ... [2024-11-19 22:46:59,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:59" (1/1) ... [2024-11-19 22:46:59,294 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:59" (1/1) ... [2024-11-19 22:46:59,395 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]. [2024-11-19 22:46:59,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:59" (1/1) ... [2024-11-19 22:46:59,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:59" (1/1) ... [2024-11-19 22:46:59,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:59" (1/1) ... [2024-11-19 22:46:59,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:59" (1/1) ... [2024-11-19 22:46:59,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:59" (1/1) ... [2024-11-19 22:46:59,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:59" (1/1) ... [2024-11-19 22:46:59,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 22:46:59,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 22:46:59,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 22:46:59,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 22:46:59,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:59" (1/1) ... [2024-11-19 22:46:59,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:46:59,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:46:59,696 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) [2024-11-19 22:46:59,698 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 [2024-11-19 22:46:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 22:46:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 22:46:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 22:46:59,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 22:47:00,007 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 22:47:00,010 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 22:47:02,976 INFO L? ?]: Removed 1112 outVars from TransFormulas that were not future-live. [2024-11-19 22:47:02,977 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 22:47:03,019 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 22:47:03,020 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 22:47:03,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:47:03 BoogieIcfgContainer [2024-11-19 22:47:03,021 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 22:47:03,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 22:47:03,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 22:47:03,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 22:47:03,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:46:57" (1/3) ... [2024-11-19 22:47:03,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a46709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:47:03, skipping insertion in model container [2024-11-19 22:47:03,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:46:59" (2/3) ... [2024-11-19 22:47:03,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a46709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:47:03, skipping insertion in model container [2024-11-19 22:47:03,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:47:03" (3/3) ... [2024-11-19 22:47:03,031 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-19 22:47:03,047 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 22:47:03,048 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-19 22:47:03,146 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 22:47:03,152 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;@276c8a94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 22:47:03,153 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-19 22:47:03,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 1102 states, 1094 states have (on average 1.8875685557586837) internal successors, (2065), 1101 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:03,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-19 22:47:03,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:03,191 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:47:03,191 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)] === [2024-11-19 22:47:03,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:03,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1027637325, now seen corresponding path program 1 times [2024-11-19 22:47:03,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:03,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023641324] [2024-11-19 22:47:03,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:03,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:03,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:03,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:03,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023641324] [2024-11-19 22:47:03,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023641324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:03,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:03,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:47:03,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024004250] [2024-11-19 22:47:03,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:03,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:47:03,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:03,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:47:03,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:47:03,924 INFO L87 Difference]: Start difference. First operand has 1102 states, 1094 states have (on average 1.8875685557586837) internal successors, (2065), 1101 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:04,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:04,705 INFO L93 Difference]: Finished difference Result 1791 states and 3276 transitions. [2024-11-19 22:47:04,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:47:04,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-11-19 22:47:04,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:04,733 INFO L225 Difference]: With dead ends: 1791 [2024-11-19 22:47:04,733 INFO L226 Difference]: Without dead ends: 988 [2024-11-19 22:47:04,740 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 [2024-11-19 22:47:04,745 INFO L432 NwaCegarLoop]: 1062 mSDtfsCounter, 5044 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5044 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:04,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5044 Valid, 1251 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 22:47:04,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-19 22:47:04,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 980. [2024-11-19 22:47:04,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 973 states have (on average 1.3473792394655704) internal successors, (1311), 979 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:04,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1311 transitions. [2024-11-19 22:47:04,838 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1311 transitions. Word has length 63 [2024-11-19 22:47:04,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:04,838 INFO L471 AbstractCegarLoop]: Abstraction has 980 states and 1311 transitions. [2024-11-19 22:47:04,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1311 transitions. [2024-11-19 22:47:04,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 22:47:04,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:04,844 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] [2024-11-19 22:47:04,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 22:47:04,845 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:47:04,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:04,846 INFO L85 PathProgramCache]: Analyzing trace with hash 517550277, now seen corresponding path program 1 times [2024-11-19 22:47:04,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:04,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996490241] [2024-11-19 22:47:04,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:04,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:04,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:04,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:04,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996490241] [2024-11-19 22:47:04,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996490241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:04,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:04,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:47:04,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674526800] [2024-11-19 22:47:04,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:04,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:47:04,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:04,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:47:04,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:47:04,988 INFO L87 Difference]: Start difference. First operand 980 states and 1311 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) [2024-11-19 22:47:05,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:05,033 INFO L93 Difference]: Finished difference Result 1944 states and 2688 transitions. [2024-11-19 22:47:05,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:47:05,033 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 [2024-11-19 22:47:05,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:05,039 INFO L225 Difference]: With dead ends: 1944 [2024-11-19 22:47:05,039 INFO L226 Difference]: Without dead ends: 1551 [2024-11-19 22:47:05,040 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 [2024-11-19 22:47:05,041 INFO L432 NwaCegarLoop]: 1423 mSDtfsCounter, 896 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 2138 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:05,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [896 Valid, 2138 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:47:05,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2024-11-19 22:47:05,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1542. [2024-11-19 22:47:05,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1535 states have (on average 1.358957654723127) internal successors, (2086), 1541 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2086 transitions. [2024-11-19 22:47:05,076 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2086 transitions. Word has length 64 [2024-11-19 22:47:05,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:05,076 INFO L471 AbstractCegarLoop]: Abstraction has 1542 states and 2086 transitions. [2024-11-19 22:47:05,077 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) [2024-11-19 22:47:05,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2086 transitions. [2024-11-19 22:47:05,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 22:47:05,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:05,080 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] [2024-11-19 22:47:05,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 22:47:05,080 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:47:05,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:05,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1546123801, now seen corresponding path program 1 times [2024-11-19 22:47:05,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:05,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904103035] [2024-11-19 22:47:05,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:05,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:05,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:05,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:05,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904103035] [2024-11-19 22:47:05,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904103035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:05,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:05,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:47:05,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459113757] [2024-11-19 22:47:05,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:05,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:47:05,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:05,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:47:05,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:47:05,187 INFO L87 Difference]: Start difference. First operand 1542 states and 2086 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) [2024-11-19 22:47:05,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:05,302 INFO L93 Difference]: Finished difference Result 2563 states and 3607 transitions. [2024-11-19 22:47:05,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:47:05,303 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 [2024-11-19 22:47:05,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:05,311 INFO L225 Difference]: With dead ends: 2563 [2024-11-19 22:47:05,311 INFO L226 Difference]: Without dead ends: 2064 [2024-11-19 22:47:05,312 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 [2024-11-19 22:47:05,314 INFO L432 NwaCegarLoop]: 1158 mSDtfsCounter, 533 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 1867 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:05,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [533 Valid, 1867 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:47:05,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2024-11-19 22:47:05,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 2056. [2024-11-19 22:47:05,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2056 states, 2049 states have (on average 1.3831137140068326) internal successors, (2834), 2055 states have internal predecessors, (2834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:05,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 2056 states and 2834 transitions. [2024-11-19 22:47:05,362 INFO L78 Accepts]: Start accepts. Automaton has 2056 states and 2834 transitions. Word has length 64 [2024-11-19 22:47:05,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:05,362 INFO L471 AbstractCegarLoop]: Abstraction has 2056 states and 2834 transitions. [2024-11-19 22:47:05,364 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) [2024-11-19 22:47:05,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2834 transitions. [2024-11-19 22:47:05,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 22:47:05,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:05,367 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] [2024-11-19 22:47:05,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 22:47:05,367 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:47:05,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:05,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1930220714, now seen corresponding path program 1 times [2024-11-19 22:47:05,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:05,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545677309] [2024-11-19 22:47:05,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:05,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:05,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:05,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:05,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545677309] [2024-11-19 22:47:05,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545677309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:05,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:05,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:47:05,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656792180] [2024-11-19 22:47:05,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:05,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:47:05,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:05,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:47:05,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:47:05,490 INFO L87 Difference]: Start difference. First operand 2056 states and 2834 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) [2024-11-19 22:47:05,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:05,595 INFO L93 Difference]: Finished difference Result 3948 states and 5626 transitions. [2024-11-19 22:47:05,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:47:05,596 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 [2024-11-19 22:47:05,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:05,608 INFO L225 Difference]: With dead ends: 3948 [2024-11-19 22:47:05,608 INFO L226 Difference]: Without dead ends: 2914 [2024-11-19 22:47:05,612 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 [2024-11-19 22:47:05,612 INFO L432 NwaCegarLoop]: 1082 mSDtfsCounter, 554 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 1799 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:05,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 1799 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:47:05,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2914 states. [2024-11-19 22:47:05,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2914 to 2906. [2024-11-19 22:47:05,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2906 states, 2899 states have (on average 1.3997930320800276) internal successors, (4058), 2905 states have internal predecessors, (4058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:05,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2906 states and 4058 transitions. [2024-11-19 22:47:05,727 INFO L78 Accepts]: Start accepts. Automaton has 2906 states and 4058 transitions. Word has length 64 [2024-11-19 22:47:05,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:05,728 INFO L471 AbstractCegarLoop]: Abstraction has 2906 states and 4058 transitions. [2024-11-19 22:47:05,728 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) [2024-11-19 22:47:05,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 4058 transitions. [2024-11-19 22:47:05,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 22:47:05,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:05,732 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] [2024-11-19 22:47:05,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 22:47:05,733 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)] === [2024-11-19 22:47:05,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:05,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1847708861, now seen corresponding path program 1 times [2024-11-19 22:47:05,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:05,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826798000] [2024-11-19 22:47:05,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:05,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:05,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:05,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:05,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826798000] [2024-11-19 22:47:05,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826798000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:05,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:05,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:47:05,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115410949] [2024-11-19 22:47:05,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:05,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:47:05,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:05,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:47:05,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:47:05,890 INFO L87 Difference]: Start difference. First operand 2906 states and 4058 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) [2024-11-19 22:47:06,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:06,485 INFO L93 Difference]: Finished difference Result 5727 states and 8108 transitions. [2024-11-19 22:47:06,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:47:06,485 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 [2024-11-19 22:47:06,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:06,496 INFO L225 Difference]: With dead ends: 5727 [2024-11-19 22:47:06,497 INFO L226 Difference]: Without dead ends: 3425 [2024-11-19 22:47:06,502 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 [2024-11-19 22:47:06,503 INFO L432 NwaCegarLoop]: 567 mSDtfsCounter, 3053 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3053 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:06,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3053 Valid, 692 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 22:47:06,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3425 states. [2024-11-19 22:47:06,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3425 to 3409. [2024-11-19 22:47:06,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3409 states, 3402 states have (on average 1.39564961787184) internal successors, (4748), 3408 states have internal predecessors, (4748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:06,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 3409 states and 4748 transitions. [2024-11-19 22:47:06,575 INFO L78 Accepts]: Start accepts. Automaton has 3409 states and 4748 transitions. Word has length 64 [2024-11-19 22:47:06,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:06,576 INFO L471 AbstractCegarLoop]: Abstraction has 3409 states and 4748 transitions. [2024-11-19 22:47:06,576 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) [2024-11-19 22:47:06,577 INFO L276 IsEmpty]: Start isEmpty. Operand 3409 states and 4748 transitions. [2024-11-19 22:47:06,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 22:47:06,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:06,581 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] [2024-11-19 22:47:06,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 22:47:06,581 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)] === [2024-11-19 22:47:06,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:06,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1685345629, now seen corresponding path program 1 times [2024-11-19 22:47:06,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:06,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583652472] [2024-11-19 22:47:06,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:06,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:06,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:06,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:06,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583652472] [2024-11-19 22:47:06,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583652472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:06,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:06,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:47:06,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936918527] [2024-11-19 22:47:06,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:06,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:47:06,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:06,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:47:06,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:47:06,772 INFO L87 Difference]: Start difference. First operand 3409 states and 4748 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) [2024-11-19 22:47:07,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:07,234 INFO L93 Difference]: Finished difference Result 8321 states and 11858 transitions. [2024-11-19 22:47:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:47:07,235 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 [2024-11-19 22:47:07,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:07,252 INFO L225 Difference]: With dead ends: 8321 [2024-11-19 22:47:07,253 INFO L226 Difference]: Without dead ends: 5201 [2024-11-19 22:47:07,259 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 [2024-11-19 22:47:07,260 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 2716 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2716 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:07,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2716 Valid, 644 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 22:47:07,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5201 states. [2024-11-19 22:47:07,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5201 to 5193. [2024-11-19 22:47:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5193 states, 5186 states have (on average 1.4251831854994215) internal successors, (7391), 5192 states have internal predecessors, (7391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:07,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 5193 states and 7391 transitions. [2024-11-19 22:47:07,375 INFO L78 Accepts]: Start accepts. Automaton has 5193 states and 7391 transitions. Word has length 64 [2024-11-19 22:47:07,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:07,376 INFO L471 AbstractCegarLoop]: Abstraction has 5193 states and 7391 transitions. [2024-11-19 22:47:07,376 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) [2024-11-19 22:47:07,376 INFO L276 IsEmpty]: Start isEmpty. Operand 5193 states and 7391 transitions. [2024-11-19 22:47:07,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-19 22:47:07,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:07,381 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] [2024-11-19 22:47:07,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 22:47:07,381 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)] === [2024-11-19 22:47:07,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:07,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1051430303, now seen corresponding path program 1 times [2024-11-19 22:47:07,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:07,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572000498] [2024-11-19 22:47:07,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:07,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:07,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:07,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:07,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572000498] [2024-11-19 22:47:07,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572000498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:07,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:07,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:47:07,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587269978] [2024-11-19 22:47:07,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:07,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:47:07,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:07,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:47:07,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:47:07,579 INFO L87 Difference]: Start difference. First operand 5193 states and 7391 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) [2024-11-19 22:47:07,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:07,656 INFO L93 Difference]: Finished difference Result 11227 states and 16123 transitions. [2024-11-19 22:47:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:47:07,657 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 [2024-11-19 22:47:07,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:07,682 INFO L225 Difference]: With dead ends: 11227 [2024-11-19 22:47:07,682 INFO L226 Difference]: Without dead ends: 7168 [2024-11-19 22:47:07,690 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 [2024-11-19 22:47:07,691 INFO L432 NwaCegarLoop]: 960 mSDtfsCounter, 584 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 1525 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 [2024-11-19 22:47:07,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 1525 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:47:07,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7168 states. [2024-11-19 22:47:07,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7168 to 7136. [2024-11-19 22:47:07,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7136 states, 7129 states have (on average 1.4025810071538785) internal successors, (9999), 7135 states have internal predecessors, (9999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:07,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7136 states to 7136 states and 9999 transitions. [2024-11-19 22:47:07,867 INFO L78 Accepts]: Start accepts. Automaton has 7136 states and 9999 transitions. Word has length 65 [2024-11-19 22:47:07,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:07,868 INFO L471 AbstractCegarLoop]: Abstraction has 7136 states and 9999 transitions. [2024-11-19 22:47:07,868 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) [2024-11-19 22:47:07,868 INFO L276 IsEmpty]: Start isEmpty. Operand 7136 states and 9999 transitions. [2024-11-19 22:47:07,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-19 22:47:07,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:07,879 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] [2024-11-19 22:47:07,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 22:47:07,879 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:47:07,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:07,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1899148000, now seen corresponding path program 1 times [2024-11-19 22:47:07,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:07,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708737954] [2024-11-19 22:47:07,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:07,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:08,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:08,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:08,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708737954] [2024-11-19 22:47:08,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708737954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:08,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:08,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:47:08,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887544184] [2024-11-19 22:47:08,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:08,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:47:08,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:08,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:47:08,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:47:08,052 INFO L87 Difference]: Start difference. First operand 7136 states and 9999 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 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) [2024-11-19 22:47:08,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:08,510 INFO L93 Difference]: Finished difference Result 16263 states and 22960 transitions. [2024-11-19 22:47:08,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:47:08,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 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 [2024-11-19 22:47:08,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:08,546 INFO L225 Difference]: With dead ends: 16263 [2024-11-19 22:47:08,547 INFO L226 Difference]: Without dead ends: 9563 [2024-11-19 22:47:08,558 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 [2024-11-19 22:47:08,560 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 2380 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2380 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:08,560 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2380 Valid, 577 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 22:47:08,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9563 states. [2024-11-19 22:47:08,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9563 to 9519. [2024-11-19 22:47:08,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9519 states, 9512 states have (on average 1.403174936921783) internal successors, (13347), 9518 states have internal predecessors, (13347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:08,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9519 states to 9519 states and 13347 transitions. [2024-11-19 22:47:08,741 INFO L78 Accepts]: Start accepts. Automaton has 9519 states and 13347 transitions. Word has length 66 [2024-11-19 22:47:08,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:08,741 INFO L471 AbstractCegarLoop]: Abstraction has 9519 states and 13347 transitions. [2024-11-19 22:47:08,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 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) [2024-11-19 22:47:08,742 INFO L276 IsEmpty]: Start isEmpty. Operand 9519 states and 13347 transitions. [2024-11-19 22:47:08,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 22:47:08,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:08,750 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] [2024-11-19 22:47:08,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 22:47:08,750 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:47:08,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:08,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1449474395, now seen corresponding path program 1 times [2024-11-19 22:47:08,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:08,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982679581] [2024-11-19 22:47:08,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:08,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:08,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:08,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:08,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982679581] [2024-11-19 22:47:08,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982679581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:08,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:08,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:47:08,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921796422] [2024-11-19 22:47:08,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:08,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:47:08,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:08,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:47:08,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:47:08,962 INFO L87 Difference]: Start difference. First operand 9519 states and 13347 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:09,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:09,629 INFO L93 Difference]: Finished difference Result 20215 states and 28697 transitions. [2024-11-19 22:47:09,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 22:47:09,629 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-19 22:47:09,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:09,658 INFO L225 Difference]: With dead ends: 20215 [2024-11-19 22:47:09,658 INFO L226 Difference]: Without dead ends: 15635 [2024-11-19 22:47:09,667 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 [2024-11-19 22:47:09,667 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 2868 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2868 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:09,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2868 Valid, 1054 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 22:47:09,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15635 states. [2024-11-19 22:47:09,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15635 to 9547. [2024-11-19 22:47:09,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9547 states, 9540 states have (on average 1.4028301886792454) internal successors, (13383), 9546 states have internal predecessors, (13383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:09,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9547 states to 9547 states and 13383 transitions. [2024-11-19 22:47:09,863 INFO L78 Accepts]: Start accepts. Automaton has 9547 states and 13383 transitions. Word has length 67 [2024-11-19 22:47:09,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:09,863 INFO L471 AbstractCegarLoop]: Abstraction has 9547 states and 13383 transitions. [2024-11-19 22:47:09,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:09,864 INFO L276 IsEmpty]: Start isEmpty. Operand 9547 states and 13383 transitions. [2024-11-19 22:47:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 22:47:09,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:09,871 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] [2024-11-19 22:47:09,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 22:47:09,871 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:47:09,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:09,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1861181409, now seen corresponding path program 1 times [2024-11-19 22:47:09,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:09,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863334550] [2024-11-19 22:47:09,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:09,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:10,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:10,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:10,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863334550] [2024-11-19 22:47:10,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863334550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:10,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:10,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:47:10,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602451404] [2024-11-19 22:47:10,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:10,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:47:10,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:10,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:47:10,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:47:10,051 INFO L87 Difference]: Start difference. First operand 9547 states and 13383 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:10,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:10,746 INFO L93 Difference]: Finished difference Result 22546 states and 32049 transitions. [2024-11-19 22:47:10,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 22:47:10,747 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-19 22:47:10,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:10,788 INFO L225 Difference]: With dead ends: 22546 [2024-11-19 22:47:10,789 INFO L226 Difference]: Without dead ends: 18414 [2024-11-19 22:47:10,802 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 [2024-11-19 22:47:10,802 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 3039 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3039 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:10,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3039 Valid, 1079 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 22:47:10,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18414 states. [2024-11-19 22:47:11,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18414 to 9618. [2024-11-19 22:47:11,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9618 states, 9611 states have (on average 1.4027676620538965) internal successors, (13482), 9617 states have internal predecessors, (13482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9618 states to 9618 states and 13482 transitions. [2024-11-19 22:47:11,078 INFO L78 Accepts]: Start accepts. Automaton has 9618 states and 13482 transitions. Word has length 67 [2024-11-19 22:47:11,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:11,079 INFO L471 AbstractCegarLoop]: Abstraction has 9618 states and 13482 transitions. [2024-11-19 22:47:11,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:11,079 INFO L276 IsEmpty]: Start isEmpty. Operand 9618 states and 13482 transitions. [2024-11-19 22:47:11,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 22:47:11,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:11,086 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] [2024-11-19 22:47:11,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 22:47:11,087 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:47:11,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:11,087 INFO L85 PathProgramCache]: Analyzing trace with hash 2008504829, now seen corresponding path program 1 times [2024-11-19 22:47:11,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:11,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019136068] [2024-11-19 22:47:11,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:11,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:11,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:11,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:11,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019136068] [2024-11-19 22:47:11,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019136068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:11,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:11,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:47:11,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873345182] [2024-11-19 22:47:11,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:11,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:47:11,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:11,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:47:11,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:47:11,259 INFO L87 Difference]: Start difference. First operand 9618 states and 13482 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:11,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:11,855 INFO L93 Difference]: Finished difference Result 26792 states and 38156 transitions. [2024-11-19 22:47:11,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 22:47:11,855 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-19 22:47:11,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:11,901 INFO L225 Difference]: With dead ends: 26792 [2024-11-19 22:47:11,901 INFO L226 Difference]: Without dead ends: 23249 [2024-11-19 22:47:11,916 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 [2024-11-19 22:47:11,916 INFO L432 NwaCegarLoop]: 431 mSDtfsCounter, 3212 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3212 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:11,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3212 Valid, 1116 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 22:47:11,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23249 states. [2024-11-19 22:47:12,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23249 to 9686. [2024-11-19 22:47:12,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9686 states, 9679 states have (on average 1.4020043392912491) internal successors, (13570), 9685 states have internal predecessors, (13570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:12,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9686 states to 9686 states and 13570 transitions. [2024-11-19 22:47:12,200 INFO L78 Accepts]: Start accepts. Automaton has 9686 states and 13570 transitions. Word has length 67 [2024-11-19 22:47:12,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:12,200 INFO L471 AbstractCegarLoop]: Abstraction has 9686 states and 13570 transitions. [2024-11-19 22:47:12,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:12,200 INFO L276 IsEmpty]: Start isEmpty. Operand 9686 states and 13570 transitions. [2024-11-19 22:47:12,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 22:47:12,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:12,209 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] [2024-11-19 22:47:12,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 22:47:12,209 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:47:12,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:12,210 INFO L85 PathProgramCache]: Analyzing trace with hash 296799215, now seen corresponding path program 1 times [2024-11-19 22:47:12,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:12,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282710202] [2024-11-19 22:47:12,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:12,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:12,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:12,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:12,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282710202] [2024-11-19 22:47:12,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282710202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:12,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:12,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:47:12,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858573847] [2024-11-19 22:47:12,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:12,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:47:12,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:12,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:47:12,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:47:12,399 INFO L87 Difference]: Start difference. First operand 9686 states and 13570 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:13,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:13,070 INFO L93 Difference]: Finished difference Result 25457 states and 36227 transitions. [2024-11-19 22:47:13,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 22:47:13,071 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-19 22:47:13,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:13,100 INFO L225 Difference]: With dead ends: 25457 [2024-11-19 22:47:13,100 INFO L226 Difference]: Without dead ends: 20959 [2024-11-19 22:47:13,112 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 [2024-11-19 22:47:13,113 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 3116 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3116 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:13,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3116 Valid, 1098 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 22:47:13,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20959 states. [2024-11-19 22:47:13,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20959 to 9849. [2024-11-19 22:47:13,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9849 states, 9842 states have (on average 1.4006299532615323) internal successors, (13785), 9848 states have internal predecessors, (13785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:13,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9849 states to 9849 states and 13785 transitions. [2024-11-19 22:47:13,344 INFO L78 Accepts]: Start accepts. Automaton has 9849 states and 13785 transitions. Word has length 67 [2024-11-19 22:47:13,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:13,344 INFO L471 AbstractCegarLoop]: Abstraction has 9849 states and 13785 transitions. [2024-11-19 22:47:13,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:13,344 INFO L276 IsEmpty]: Start isEmpty. Operand 9849 states and 13785 transitions. [2024-11-19 22:47:13,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-19 22:47:13,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:13,352 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] [2024-11-19 22:47:13,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 22:47:13,352 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:47:13,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:13,353 INFO L85 PathProgramCache]: Analyzing trace with hash -766843701, now seen corresponding path program 1 times [2024-11-19 22:47:13,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:13,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197297588] [2024-11-19 22:47:13,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:13,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:13,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:13,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:13,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197297588] [2024-11-19 22:47:13,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197297588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:13,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:13,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:47:13,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761084390] [2024-11-19 22:47:13,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:13,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:47:13,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:13,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:47:13,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:47:13,725 INFO L87 Difference]: Start difference. First operand 9849 states and 13785 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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) [2024-11-19 22:47:14,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:14,542 INFO L93 Difference]: Finished difference Result 21061 states and 29980 transitions. [2024-11-19 22:47:14,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:47:14,543 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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 [2024-11-19 22:47:14,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:14,570 INFO L225 Difference]: With dead ends: 21061 [2024-11-19 22:47:14,570 INFO L226 Difference]: Without dead ends: 14850 [2024-11-19 22:47:14,582 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 [2024-11-19 22:47:14,583 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 3473 mSDsluCounter, 1372 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3473 SdHoareTripleChecker+Valid, 1823 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:14,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3473 Valid, 1823 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 22:47:14,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14850 states. [2024-11-19 22:47:14,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14850 to 9837. [2024-11-19 22:47:14,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9837 states, 9830 states have (on average 1.3998982706002034) internal successors, (13761), 9836 states have internal predecessors, (13761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:14,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9837 states to 9837 states and 13761 transitions. [2024-11-19 22:47:14,825 INFO L78 Accepts]: Start accepts. Automaton has 9837 states and 13761 transitions. Word has length 68 [2024-11-19 22:47:14,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:14,826 INFO L471 AbstractCegarLoop]: Abstraction has 9837 states and 13761 transitions. [2024-11-19 22:47:14,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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) [2024-11-19 22:47:14,826 INFO L276 IsEmpty]: Start isEmpty. Operand 9837 states and 13761 transitions. [2024-11-19 22:47:14,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-19 22:47:14,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:14,835 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] [2024-11-19 22:47:14,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 22:47:14,836 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:47:14,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:14,837 INFO L85 PathProgramCache]: Analyzing trace with hash -646757943, now seen corresponding path program 1 times [2024-11-19 22:47:14,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:14,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324310931] [2024-11-19 22:47:14,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:14,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:15,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:15,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:15,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324310931] [2024-11-19 22:47:15,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324310931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:15,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:15,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:47:15,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22916097] [2024-11-19 22:47:15,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:15,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:47:15,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:15,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:47:15,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:47:15,255 INFO L87 Difference]: Start difference. First operand 9837 states and 13761 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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) [2024-11-19 22:47:16,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:16,136 INFO L93 Difference]: Finished difference Result 21219 states and 30217 transitions. [2024-11-19 22:47:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:47:16,137 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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 [2024-11-19 22:47:16,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:16,157 INFO L225 Difference]: With dead ends: 21219 [2024-11-19 22:47:16,157 INFO L226 Difference]: Without dead ends: 14984 [2024-11-19 22:47:16,170 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 [2024-11-19 22:47:16,170 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 3552 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3552 SdHoareTripleChecker+Valid, 1771 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:16,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3552 Valid, 1771 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 22:47:16,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14984 states. [2024-11-19 22:47:16,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14984 to 9813. [2024-11-19 22:47:16,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9813 states, 9806 states have (on average 1.3993473383642667) internal successors, (13722), 9812 states have internal predecessors, (13722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:16,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9813 states to 9813 states and 13722 transitions. [2024-11-19 22:47:16,372 INFO L78 Accepts]: Start accepts. Automaton has 9813 states and 13722 transitions. Word has length 68 [2024-11-19 22:47:16,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:16,373 INFO L471 AbstractCegarLoop]: Abstraction has 9813 states and 13722 transitions. [2024-11-19 22:47:16,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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) [2024-11-19 22:47:16,373 INFO L276 IsEmpty]: Start isEmpty. Operand 9813 states and 13722 transitions. [2024-11-19 22:47:16,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-19 22:47:16,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:16,383 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:47:16,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 22:47:16,384 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:47:16,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:16,385 INFO L85 PathProgramCache]: Analyzing trace with hash 850267752, now seen corresponding path program 1 times [2024-11-19 22:47:16,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:16,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810007864] [2024-11-19 22:47:16,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:16,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:16,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:16,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:16,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810007864] [2024-11-19 22:47:16,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810007864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:16,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:16,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:47:16,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694138799] [2024-11-19 22:47:16,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:16,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 22:47:16,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:16,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 22:47:16,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 22:47:16,549 INFO L87 Difference]: Start difference. First operand 9813 states and 13722 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) [2024-11-19 22:47:17,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:17,076 INFO L93 Difference]: Finished difference Result 22821 states and 32401 transitions. [2024-11-19 22:47:17,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 22:47:17,077 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 [2024-11-19 22:47:17,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:17,093 INFO L225 Difference]: With dead ends: 22821 [2024-11-19 22:47:17,094 INFO L226 Difference]: Without dead ends: 18675 [2024-11-19 22:47:17,101 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 [2024-11-19 22:47:17,102 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 3027 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3027 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:17,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3027 Valid, 1079 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 22:47:17,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18675 states. [2024-11-19 22:47:17,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18675 to 9904. [2024-11-19 22:47:17,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9904 states, 9897 states have (on average 1.3994139638274226) internal successors, (13850), 9903 states have internal predecessors, (13850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9904 states to 9904 states and 13850 transitions. [2024-11-19 22:47:17,329 INFO L78 Accepts]: Start accepts. Automaton has 9904 states and 13850 transitions. Word has length 68 [2024-11-19 22:47:17,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:17,329 INFO L471 AbstractCegarLoop]: Abstraction has 9904 states and 13850 transitions. [2024-11-19 22:47:17,330 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) [2024-11-19 22:47:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 9904 states and 13850 transitions. [2024-11-19 22:47:17,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-19 22:47:17,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:17,338 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] [2024-11-19 22:47:17,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 22:47:17,338 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:47:17,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:17,339 INFO L85 PathProgramCache]: Analyzing trace with hash -16939312, now seen corresponding path program 1 times [2024-11-19 22:47:17,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:17,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388047328] [2024-11-19 22:47:17,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:17,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:17,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:17,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:17,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388047328] [2024-11-19 22:47:17,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388047328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:17,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:17,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:47:17,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667308678] [2024-11-19 22:47:17,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:17,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:47:17,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:17,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:47:17,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:47:17,660 INFO L87 Difference]: Start difference. First operand 9904 states and 13850 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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) [2024-11-19 22:47:18,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:18,531 INFO L93 Difference]: Finished difference Result 20189 states and 28693 transitions. [2024-11-19 22:47:18,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:47:18,532 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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 [2024-11-19 22:47:18,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:18,551 INFO L225 Difference]: With dead ends: 20189 [2024-11-19 22:47:18,552 INFO L226 Difference]: Without dead ends: 13730 [2024-11-19 22:47:18,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-19 22:47:18,564 INFO L432 NwaCegarLoop]: 437 mSDtfsCounter, 3086 mSDsluCounter, 1626 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3086 SdHoareTripleChecker+Valid, 2063 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:18,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3086 Valid, 2063 Invalid, 1281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 22:47:18,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13730 states. [2024-11-19 22:47:18,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13730 to 9769. [2024-11-19 22:47:18,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9769 states, 9762 states have (on average 1.3994058594550296) internal successors, (13661), 9768 states have internal predecessors, (13661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:18,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9769 states to 9769 states and 13661 transitions. [2024-11-19 22:47:18,718 INFO L78 Accepts]: Start accepts. Automaton has 9769 states and 13661 transitions. Word has length 68 [2024-11-19 22:47:18,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:18,718 INFO L471 AbstractCegarLoop]: Abstraction has 9769 states and 13661 transitions. [2024-11-19 22:47:18,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 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) [2024-11-19 22:47:18,718 INFO L276 IsEmpty]: Start isEmpty. Operand 9769 states and 13661 transitions. [2024-11-19 22:47:18,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-19 22:47:18,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:18,726 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] [2024-11-19 22:47:18,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 22:47:18,727 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)] === [2024-11-19 22:47:18,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:18,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1623797592, now seen corresponding path program 1 times [2024-11-19 22:47:18,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:18,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644458729] [2024-11-19 22:47:18,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:18,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:19,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:19,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:19,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644458729] [2024-11-19 22:47:19,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644458729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:19,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:19,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:47:19,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466599739] [2024-11-19 22:47:19,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:19,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 22:47:19,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:19,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 22:47:19,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 22:47:19,056 INFO L87 Difference]: Start difference. First operand 9769 states and 13661 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:19,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:19,775 INFO L93 Difference]: Finished difference Result 20851 states and 29733 transitions. [2024-11-19 22:47:19,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 22:47:19,776 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-19 22:47:19,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:19,788 INFO L225 Difference]: With dead ends: 20851 [2024-11-19 22:47:19,789 INFO L226 Difference]: Without dead ends: 13892 [2024-11-19 22:47:19,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:47:19,797 INFO L432 NwaCegarLoop]: 422 mSDtfsCounter, 2814 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2814 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:19,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2814 Valid, 1558 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 22:47:19,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13892 states. [2024-11-19 22:47:19,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13892 to 9442. [2024-11-19 22:47:19,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9442 states, 9435 states have (on average 1.398834128245893) internal successors, (13198), 9441 states have internal predecessors, (13198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:19,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9442 states to 9442 states and 13198 transitions. [2024-11-19 22:47:19,948 INFO L78 Accepts]: Start accepts. Automaton has 9442 states and 13198 transitions. Word has length 68 [2024-11-19 22:47:19,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:19,948 INFO L471 AbstractCegarLoop]: Abstraction has 9442 states and 13198 transitions. [2024-11-19 22:47:19,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:19,949 INFO L276 IsEmpty]: Start isEmpty. Operand 9442 states and 13198 transitions. [2024-11-19 22:47:19,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-19 22:47:19,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:19,956 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:47:19,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 22:47:19,957 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:47:19,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:19,957 INFO L85 PathProgramCache]: Analyzing trace with hash 601134174, now seen corresponding path program 1 times [2024-11-19 22:47:19,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:19,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670384377] [2024-11-19 22:47:19,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:19,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:20,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:20,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:20,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670384377] [2024-11-19 22:47:20,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670384377] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:20,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:20,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 22:47:20,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749767288] [2024-11-19 22:47:20,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:20,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 22:47:20,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:20,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 22:47:20,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 22:47:20,593 INFO L87 Difference]: Start difference. First operand 9442 states and 13198 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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) [2024-11-19 22:47:21,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:21,272 INFO L93 Difference]: Finished difference Result 20553 states and 29382 transitions. [2024-11-19 22:47:21,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 22:47:21,272 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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 [2024-11-19 22:47:21,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:21,284 INFO L225 Difference]: With dead ends: 20553 [2024-11-19 22:47:21,284 INFO L226 Difference]: Without dead ends: 13932 [2024-11-19 22:47:21,290 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 [2024-11-19 22:47:21,291 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 3750 mSDsluCounter, 2111 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3750 SdHoareTripleChecker+Valid, 2701 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:21,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3750 Valid, 2701 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 22:47:21,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13932 states. [2024-11-19 22:47:21,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13932 to 8975. [2024-11-19 22:47:21,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8975 states, 8970 states have (on average 1.4018952062430323) internal successors, (12575), 8974 states have internal predecessors, (12575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:21,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8975 states to 8975 states and 12575 transitions. [2024-11-19 22:47:21,392 INFO L78 Accepts]: Start accepts. Automaton has 8975 states and 12575 transitions. Word has length 69 [2024-11-19 22:47:21,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:21,393 INFO L471 AbstractCegarLoop]: Abstraction has 8975 states and 12575 transitions. [2024-11-19 22:47:21,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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) [2024-11-19 22:47:21,393 INFO L276 IsEmpty]: Start isEmpty. Operand 8975 states and 12575 transitions. [2024-11-19 22:47:21,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-19 22:47:21,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:21,397 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:47:21,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 22:47:21,398 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:47:21,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:21,398 INFO L85 PathProgramCache]: Analyzing trace with hash -10442599, now seen corresponding path program 1 times [2024-11-19 22:47:21,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:21,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961080427] [2024-11-19 22:47:21,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:21,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:21,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:21,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:21,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961080427] [2024-11-19 22:47:21,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961080427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:21,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:21,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 22:47:21,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056060483] [2024-11-19 22:47:21,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:21,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 22:47:21,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:21,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 22:47:21,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-19 22:47:21,925 INFO L87 Difference]: Start difference. First operand 8975 states and 12575 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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) [2024-11-19 22:47:22,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:22,739 INFO L93 Difference]: Finished difference Result 29362 states and 42183 transitions. [2024-11-19 22:47:22,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 22:47:22,739 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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 [2024-11-19 22:47:22,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:22,762 INFO L225 Difference]: With dead ends: 29362 [2024-11-19 22:47:22,762 INFO L226 Difference]: Without dead ends: 22903 [2024-11-19 22:47:22,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2024-11-19 22:47:22,774 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 4616 mSDsluCounter, 1670 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4616 SdHoareTripleChecker+Valid, 2160 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:22,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4616 Valid, 2160 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 22:47:22,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22903 states. [2024-11-19 22:47:22,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22903 to 8727. [2024-11-19 22:47:22,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8727 states, 8723 states have (on average 1.4004356299438268) internal successors, (12216), 8726 states have internal predecessors, (12216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:22,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8727 states to 8727 states and 12216 transitions. [2024-11-19 22:47:22,925 INFO L78 Accepts]: Start accepts. Automaton has 8727 states and 12216 transitions. Word has length 69 [2024-11-19 22:47:22,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:22,925 INFO L471 AbstractCegarLoop]: Abstraction has 8727 states and 12216 transitions. [2024-11-19 22:47:22,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 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) [2024-11-19 22:47:22,925 INFO L276 IsEmpty]: Start isEmpty. Operand 8727 states and 12216 transitions. [2024-11-19 22:47:22,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-19 22:47:22,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:22,931 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] [2024-11-19 22:47:22,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 22:47:22,932 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:47:22,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:22,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1218623503, now seen corresponding path program 1 times [2024-11-19 22:47:22,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:22,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852847221] [2024-11-19 22:47:22,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:22,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:23,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:23,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:23,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852847221] [2024-11-19 22:47:23,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852847221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:23,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:23,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-19 22:47:23,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348828737] [2024-11-19 22:47:23,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:23,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 22:47:23,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:23,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 22:47:23,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-19 22:47:23,702 INFO L87 Difference]: Start difference. First operand 8727 states and 12216 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 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) [2024-11-19 22:47:24,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:24,730 INFO L93 Difference]: Finished difference Result 29415 states and 42327 transitions. [2024-11-19 22:47:24,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 22:47:24,731 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 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 [2024-11-19 22:47:24,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:24,754 INFO L225 Difference]: With dead ends: 29415 [2024-11-19 22:47:24,755 INFO L226 Difference]: Without dead ends: 23210 [2024-11-19 22:47:24,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2024-11-19 22:47:24,765 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 4302 mSDsluCounter, 3351 mSDsCounter, 0 mSdLazyCounter, 1115 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4302 SdHoareTripleChecker+Valid, 3856 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:24,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4302 Valid, 3856 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1115 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 22:47:24,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23210 states. [2024-11-19 22:47:24,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23210 to 8707. [2024-11-19 22:47:24,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8707 states, 8704 states have (on average 1.3992417279411764) internal successors, (12179), 8706 states have internal predecessors, (12179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8707 states to 8707 states and 12179 transitions. [2024-11-19 22:47:24,987 INFO L78 Accepts]: Start accepts. Automaton has 8707 states and 12179 transitions. Word has length 69 [2024-11-19 22:47:24,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:24,987 INFO L471 AbstractCegarLoop]: Abstraction has 8707 states and 12179 transitions. [2024-11-19 22:47:24,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 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) [2024-11-19 22:47:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 8707 states and 12179 transitions. [2024-11-19 22:47:24,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-19 22:47:24,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:24,993 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:47:24,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 22:47:24,994 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:47:24,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:24,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1003005764, now seen corresponding path program 1 times [2024-11-19 22:47:24,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:24,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396134536] [2024-11-19 22:47:24,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:24,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:25,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:25,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:25,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396134536] [2024-11-19 22:47:25,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396134536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:25,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:25,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:47:25,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535564190] [2024-11-19 22:47:25,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:25,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:47:25,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:25,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:47:25,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:47:25,084 INFO L87 Difference]: Start difference. First operand 8707 states and 12179 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:25,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:25,222 INFO L93 Difference]: Finished difference Result 17899 states and 25348 transitions. [2024-11-19 22:47:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:47:25,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-19 22:47:25,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:25,241 INFO L225 Difference]: With dead ends: 17899 [2024-11-19 22:47:25,242 INFO L226 Difference]: Without dead ends: 12531 [2024-11-19 22:47:25,251 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 [2024-11-19 22:47:25,252 INFO L432 NwaCegarLoop]: 384 mSDtfsCounter, 380 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 525 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 [2024-11-19 22:47:25,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 525 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:47:25,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12531 states. [2024-11-19 22:47:25,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12531 to 12493. [2024-11-19 22:47:25,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12493 states, 12492 states have (on average 1.4219500480307397) internal successors, (17763), 12492 states have internal predecessors, (17763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:25,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12493 states to 12493 states and 17763 transitions. [2024-11-19 22:47:25,466 INFO L78 Accepts]: Start accepts. Automaton has 12493 states and 17763 transitions. Word has length 71 [2024-11-19 22:47:25,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:25,467 INFO L471 AbstractCegarLoop]: Abstraction has 12493 states and 17763 transitions. [2024-11-19 22:47:25,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:25,467 INFO L276 IsEmpty]: Start isEmpty. Operand 12493 states and 17763 transitions. [2024-11-19 22:47:25,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-19 22:47:25,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:25,482 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:47:25,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 22:47:25,483 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)] === [2024-11-19 22:47:25,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:25,483 INFO L85 PathProgramCache]: Analyzing trace with hash -485578834, now seen corresponding path program 1 times [2024-11-19 22:47:25,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:25,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723128218] [2024-11-19 22:47:25,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:25,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:25,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:25,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:25,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723128218] [2024-11-19 22:47:25,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723128218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:25,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:25,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:47:25,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157605676] [2024-11-19 22:47:25,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:25,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 22:47:25,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:25,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 22:47:25,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 22:47:25,616 INFO L87 Difference]: Start difference. First operand 12493 states and 17763 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:25,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:25,881 INFO L93 Difference]: Finished difference Result 63308 states and 92573 transitions. [2024-11-19 22:47:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 22:47:25,882 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-11-19 22:47:25,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:25,974 INFO L225 Difference]: With dead ends: 63308 [2024-11-19 22:47:25,975 INFO L226 Difference]: Without dead ends: 53145 [2024-11-19 22:47:26,003 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 [2024-11-19 22:47:26,004 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 2048 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 1188 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 [2024-11-19 22:47:26,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2048 Valid, 1188 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:47:26,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53145 states. [2024-11-19 22:47:26,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53145 to 22654. [2024-11-19 22:47:26,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22654 states, 22653 states have (on average 1.4286849423917363) internal successors, (32364), 22653 states have internal predecessors, (32364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:26,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22654 states to 22654 states and 32364 transitions. [2024-11-19 22:47:26,419 INFO L78 Accepts]: Start accepts. Automaton has 22654 states and 32364 transitions. Word has length 84 [2024-11-19 22:47:26,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:26,420 INFO L471 AbstractCegarLoop]: Abstraction has 22654 states and 32364 transitions. [2024-11-19 22:47:26,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:26,420 INFO L276 IsEmpty]: Start isEmpty. Operand 22654 states and 32364 transitions. [2024-11-19 22:47:26,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-19 22:47:26,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:26,435 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:47:26,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 22:47:26,435 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)] === [2024-11-19 22:47:26,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:26,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1437916483, now seen corresponding path program 1 times [2024-11-19 22:47:26,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:26,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293502728] [2024-11-19 22:47:26,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:26,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:26,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:26,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:26,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293502728] [2024-11-19 22:47:26,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293502728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:26,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:26,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:47:26,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613082864] [2024-11-19 22:47:26,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:26,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 22:47:26,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:26,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 22:47:26,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 22:47:26,611 INFO L87 Difference]: Start difference. First operand 22654 states and 32364 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:26,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:26,976 INFO L93 Difference]: Finished difference Result 38558 states and 55064 transitions. [2024-11-19 22:47:26,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 22:47:26,976 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-19 22:47:26,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:27,011 INFO L225 Difference]: With dead ends: 38558 [2024-11-19 22:47:27,011 INFO L226 Difference]: Without dead ends: 26177 [2024-11-19 22:47:27,021 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 [2024-11-19 22:47:27,022 INFO L432 NwaCegarLoop]: 700 mSDtfsCounter, 928 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:27,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 1585 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 22:47:27,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26177 states. [2024-11-19 22:47:27,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26177 to 19313. [2024-11-19 22:47:27,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19313 states, 19312 states have (on average 1.4092792046396023) internal successors, (27216), 19312 states have internal predecessors, (27216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:27,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19313 states to 19313 states and 27216 transitions. [2024-11-19 22:47:27,277 INFO L78 Accepts]: Start accepts. Automaton has 19313 states and 27216 transitions. Word has length 85 [2024-11-19 22:47:27,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:27,278 INFO L471 AbstractCegarLoop]: Abstraction has 19313 states and 27216 transitions. [2024-11-19 22:47:27,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:27,278 INFO L276 IsEmpty]: Start isEmpty. Operand 19313 states and 27216 transitions. [2024-11-19 22:47:27,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-19 22:47:27,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:27,296 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] [2024-11-19 22:47:27,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 22:47:27,296 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)] === [2024-11-19 22:47:27,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:27,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1391083626, now seen corresponding path program 1 times [2024-11-19 22:47:27,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:27,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362351199] [2024-11-19 22:47:27,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:27,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:27,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:27,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:27,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362351199] [2024-11-19 22:47:27,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362351199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:27,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:27,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:47:27,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520226653] [2024-11-19 22:47:27,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:27,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:47:27,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:27,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:47:27,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:47:27,373 INFO L87 Difference]: Start difference. First operand 19313 states and 27216 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:27,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:27,449 INFO L93 Difference]: Finished difference Result 26603 states and 37462 transitions. [2024-11-19 22:47:27,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:47:27,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-19 22:47:27,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:27,471 INFO L225 Difference]: With dead ends: 26603 [2024-11-19 22:47:27,471 INFO L226 Difference]: Without dead ends: 17827 [2024-11-19 22:47:27,482 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 [2024-11-19 22:47:27,483 INFO L432 NwaCegarLoop]: 550 mSDtfsCounter, 251 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 938 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 [2024-11-19 22:47:27,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 938 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:47:27,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17827 states. [2024-11-19 22:47:27,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17827 to 17825. [2024-11-19 22:47:27,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17825 states, 17824 states have (on average 1.3910457809694794) internal successors, (24794), 17824 states have internal predecessors, (24794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:27,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17825 states to 17825 states and 24794 transitions. [2024-11-19 22:47:27,691 INFO L78 Accepts]: Start accepts. Automaton has 17825 states and 24794 transitions. Word has length 86 [2024-11-19 22:47:27,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:27,691 INFO L471 AbstractCegarLoop]: Abstraction has 17825 states and 24794 transitions. [2024-11-19 22:47:27,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:27,691 INFO L276 IsEmpty]: Start isEmpty. Operand 17825 states and 24794 transitions. [2024-11-19 22:47:27,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-19 22:47:27,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:27,709 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] [2024-11-19 22:47:27,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-19 22:47:27,709 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)] === [2024-11-19 22:47:27,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:27,710 INFO L85 PathProgramCache]: Analyzing trace with hash -214737700, now seen corresponding path program 1 times [2024-11-19 22:47:27,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:27,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113305987] [2024-11-19 22:47:27,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:27,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:27,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:27,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:27,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113305987] [2024-11-19 22:47:27,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113305987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:27,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:27,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:47:27,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582294147] [2024-11-19 22:47:27,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:27,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:47:27,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:27,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:47:27,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:47:27,830 INFO L87 Difference]: Start difference. First operand 17825 states and 24794 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:27,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:27,963 INFO L93 Difference]: Finished difference Result 48233 states and 67760 transitions. [2024-11-19 22:47:27,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:47:27,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-19 22:47:27,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:28,010 INFO L225 Difference]: With dead ends: 48233 [2024-11-19 22:47:28,011 INFO L226 Difference]: Without dead ends: 32549 [2024-11-19 22:47:28,032 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 [2024-11-19 22:47:28,033 INFO L432 NwaCegarLoop]: 492 mSDtfsCounter, 143 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 858 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 [2024-11-19 22:47:28,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 858 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:47:28,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32549 states. [2024-11-19 22:47:28,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32549 to 30563. [2024-11-19 22:47:28,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30563 states, 30562 states have (on average 1.3919246122635953) internal successors, (42540), 30562 states have internal predecessors, (42540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:28,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30563 states to 30563 states and 42540 transitions. [2024-11-19 22:47:28,538 INFO L78 Accepts]: Start accepts. Automaton has 30563 states and 42540 transitions. Word has length 86 [2024-11-19 22:47:28,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:28,538 INFO L471 AbstractCegarLoop]: Abstraction has 30563 states and 42540 transitions. [2024-11-19 22:47:28,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:28,538 INFO L276 IsEmpty]: Start isEmpty. Operand 30563 states and 42540 transitions. [2024-11-19 22:47:28,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-19 22:47:28,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:28,554 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] [2024-11-19 22:47:28,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-19 22:47:28,554 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)] === [2024-11-19 22:47:28,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:28,555 INFO L85 PathProgramCache]: Analyzing trace with hash 181438720, now seen corresponding path program 1 times [2024-11-19 22:47:28,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:28,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127085572] [2024-11-19 22:47:28,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:28,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:28,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:28,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:28,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127085572] [2024-11-19 22:47:28,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127085572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:28,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:28,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:47:28,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089317866] [2024-11-19 22:47:28,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:28,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:47:28,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:28,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:47:28,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:47:28,632 INFO L87 Difference]: Start difference. First operand 30563 states and 42540 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:28,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:28,743 INFO L93 Difference]: Finished difference Result 42008 states and 58527 transitions. [2024-11-19 22:47:28,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:47:28,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-19 22:47:28,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:28,771 INFO L225 Difference]: With dead ends: 42008 [2024-11-19 22:47:28,771 INFO L226 Difference]: Without dead ends: 25189 [2024-11-19 22:47:28,788 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 [2024-11-19 22:47:28,789 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 242 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 941 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 [2024-11-19 22:47:28,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 941 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:47:28,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25189 states. [2024-11-19 22:47:28,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25189 to 25187. [2024-11-19 22:47:28,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25187 states, 25186 states have (on average 1.3823552767410465) internal successors, (34816), 25186 states have internal predecessors, (34816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25187 states to 25187 states and 34816 transitions. [2024-11-19 22:47:29,015 INFO L78 Accepts]: Start accepts. Automaton has 25187 states and 34816 transitions. Word has length 87 [2024-11-19 22:47:29,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:29,015 INFO L471 AbstractCegarLoop]: Abstraction has 25187 states and 34816 transitions. [2024-11-19 22:47:29,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:29,015 INFO L276 IsEmpty]: Start isEmpty. Operand 25187 states and 34816 transitions. [2024-11-19 22:47:29,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-19 22:47:29,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:29,031 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] [2024-11-19 22:47:29,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-19 22:47:29,031 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)] === [2024-11-19 22:47:29,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:29,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1393258625, now seen corresponding path program 1 times [2024-11-19 22:47:29,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:29,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209175476] [2024-11-19 22:47:29,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:29,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:29,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:29,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:29,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209175476] [2024-11-19 22:47:29,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209175476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:29,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:29,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:47:29,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294703306] [2024-11-19 22:47:29,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:29,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:47:29,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:29,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:47:29,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:47:29,155 INFO L87 Difference]: Start difference. First operand 25187 states and 34816 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:29,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:29,358 INFO L93 Difference]: Finished difference Result 69887 states and 97114 transitions. [2024-11-19 22:47:29,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:47:29,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-19 22:47:29,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:29,408 INFO L225 Difference]: With dead ends: 69887 [2024-11-19 22:47:29,409 INFO L226 Difference]: Without dead ends: 46777 [2024-11-19 22:47:29,436 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 [2024-11-19 22:47:29,436 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 130 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:29,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 840 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:47:29,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46777 states. [2024-11-19 22:47:29,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46777 to 43671. [2024-11-19 22:47:29,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43671 states, 43670 states have (on average 1.3762308220746509) internal successors, (60100), 43670 states have internal predecessors, (60100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:29,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43671 states to 43671 states and 60100 transitions. [2024-11-19 22:47:29,996 INFO L78 Accepts]: Start accepts. Automaton has 43671 states and 60100 transitions. Word has length 87 [2024-11-19 22:47:29,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:29,996 INFO L471 AbstractCegarLoop]: Abstraction has 43671 states and 60100 transitions. [2024-11-19 22:47:29,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:29,997 INFO L276 IsEmpty]: Start isEmpty. Operand 43671 states and 60100 transitions. [2024-11-19 22:47:30,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-19 22:47:30,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:30,006 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] [2024-11-19 22:47:30,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-19 22:47:30,007 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)] === [2024-11-19 22:47:30,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:30,007 INFO L85 PathProgramCache]: Analyzing trace with hash -746388302, now seen corresponding path program 1 times [2024-11-19 22:47:30,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:30,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20478372] [2024-11-19 22:47:30,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:30,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:30,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:30,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:30,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20478372] [2024-11-19 22:47:30,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20478372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:30,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:30,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:47:30,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077964631] [2024-11-19 22:47:30,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:30,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:47:30,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:30,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:47:30,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:47:30,094 INFO L87 Difference]: Start difference. First operand 43671 states and 60100 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) [2024-11-19 22:47:30,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:30,247 INFO L93 Difference]: Finished difference Result 53017 states and 73039 transitions. [2024-11-19 22:47:30,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:47:30,247 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 [2024-11-19 22:47:30,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:30,299 INFO L225 Difference]: With dead ends: 53017 [2024-11-19 22:47:30,300 INFO L226 Difference]: Without dead ends: 36101 [2024-11-19 22:47:30,323 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 [2024-11-19 22:47:30,324 INFO L432 NwaCegarLoop]: 560 mSDtfsCounter, 199 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 885 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 [2024-11-19 22:47:30,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 885 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:47:30,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36101 states. [2024-11-19 22:47:30,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36101 to 36099. [2024-11-19 22:47:30,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36099 states, 36098 states have (on average 1.373954235691728) internal successors, (49597), 36098 states have internal predecessors, (49597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36099 states to 36099 states and 49597 transitions. [2024-11-19 22:47:30,954 INFO L78 Accepts]: Start accepts. Automaton has 36099 states and 49597 transitions. Word has length 88 [2024-11-19 22:47:30,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:30,954 INFO L471 AbstractCegarLoop]: Abstraction has 36099 states and 49597 transitions. [2024-11-19 22:47:30,955 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) [2024-11-19 22:47:30,955 INFO L276 IsEmpty]: Start isEmpty. Operand 36099 states and 49597 transitions. [2024-11-19 22:47:30,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-19 22:47:30,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:30,964 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] [2024-11-19 22:47:30,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-19 22:47:30,965 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)] === [2024-11-19 22:47:30,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:30,966 INFO L85 PathProgramCache]: Analyzing trace with hash -384451911, now seen corresponding path program 1 times [2024-11-19 22:47:30,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:30,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221176644] [2024-11-19 22:47:30,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:30,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:31,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:31,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221176644] [2024-11-19 22:47:31,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221176644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:31,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:31,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:47:31,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811671234] [2024-11-19 22:47:31,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:31,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:47:31,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:31,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:47:31,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:47:31,325 INFO L87 Difference]: Start difference. First operand 36099 states and 49597 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) [2024-11-19 22:47:31,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:31,530 INFO L93 Difference]: Finished difference Result 99919 states and 137383 transitions. [2024-11-19 22:47:31,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:47:31,531 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 [2024-11-19 22:47:31,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:31,614 INFO L225 Difference]: With dead ends: 99919 [2024-11-19 22:47:31,614 INFO L226 Difference]: Without dead ends: 65813 [2024-11-19 22:47:31,651 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 [2024-11-19 22:47:31,651 INFO L432 NwaCegarLoop]: 520 mSDtfsCounter, 152 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 879 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 [2024-11-19 22:47:31,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 879 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:47:31,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65813 states. [2024-11-19 22:47:32,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65813 to 61091. [2024-11-19 22:47:32,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61091 states, 61090 states have (on average 1.3629235554100507) internal successors, (83261), 61090 states have internal predecessors, (83261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61091 states to 61091 states and 83261 transitions. [2024-11-19 22:47:32,548 INFO L78 Accepts]: Start accepts. Automaton has 61091 states and 83261 transitions. Word has length 89 [2024-11-19 22:47:32,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:32,548 INFO L471 AbstractCegarLoop]: Abstraction has 61091 states and 83261 transitions. [2024-11-19 22:47:32,548 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) [2024-11-19 22:47:32,548 INFO L276 IsEmpty]: Start isEmpty. Operand 61091 states and 83261 transitions. [2024-11-19 22:47:32,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-19 22:47:32,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:32,556 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] [2024-11-19 22:47:32,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-19 22:47:32,557 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)] === [2024-11-19 22:47:32,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:32,557 INFO L85 PathProgramCache]: Analyzing trace with hash -2033472567, now seen corresponding path program 1 times [2024-11-19 22:47:32,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:32,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970779684] [2024-11-19 22:47:32,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:32,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:32,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:32,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970779684] [2024-11-19 22:47:32,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970779684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:32,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:32,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:47:32,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096960480] [2024-11-19 22:47:32,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:32,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:47:32,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:32,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:47:32,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:47:32,729 INFO L87 Difference]: Start difference. First operand 61091 states and 83261 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) [2024-11-19 22:47:33,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:33,539 INFO L93 Difference]: Finished difference Result 174167 states and 237359 transitions. [2024-11-19 22:47:33,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:47:33,540 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 [2024-11-19 22:47:33,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:33,716 INFO L225 Difference]: With dead ends: 174167 [2024-11-19 22:47:33,716 INFO L226 Difference]: Without dead ends: 115069 [2024-11-19 22:47:33,754 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 [2024-11-19 22:47:33,757 INFO L432 NwaCegarLoop]: 469 mSDtfsCounter, 108 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:33,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 833 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 22:47:33,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115069 states. [2024-11-19 22:47:35,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115069 to 107131. [2024-11-19 22:47:35,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107131 states, 107130 states have (on average 1.3545132082516569) internal successors, (145109), 107130 states have internal predecessors, (145109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:35,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107131 states to 107131 states and 145109 transitions. [2024-11-19 22:47:35,333 INFO L78 Accepts]: Start accepts. Automaton has 107131 states and 145109 transitions. Word has length 89 [2024-11-19 22:47:35,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:35,333 INFO L471 AbstractCegarLoop]: Abstraction has 107131 states and 145109 transitions. [2024-11-19 22:47:35,334 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) [2024-11-19 22:47:35,334 INFO L276 IsEmpty]: Start isEmpty. Operand 107131 states and 145109 transitions. [2024-11-19 22:47:35,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-19 22:47:35,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:35,340 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] [2024-11-19 22:47:35,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-19 22:47:35,341 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)] === [2024-11-19 22:47:35,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:35,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1745220661, now seen corresponding path program 1 times [2024-11-19 22:47:35,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:35,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511802892] [2024-11-19 22:47:35,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:35,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:35,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:35,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:35,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511802892] [2024-11-19 22:47:35,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511802892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:35,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:35,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:47:35,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221001737] [2024-11-19 22:47:35,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:35,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 22:47:35,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:35,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 22:47:35,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 22:47:35,963 INFO L87 Difference]: Start difference. First operand 107131 states and 145109 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 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) [2024-11-19 22:47:36,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:36,212 INFO L93 Difference]: Finished difference Result 115965 states and 156886 transitions. [2024-11-19 22:47:36,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 22:47:36,213 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 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 [2024-11-19 22:47:36,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:36,366 INFO L225 Difference]: With dead ends: 115965 [2024-11-19 22:47:36,366 INFO L226 Difference]: Without dead ends: 115963 [2024-11-19 22:47:36,414 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 [2024-11-19 22:47:36,415 INFO L432 NwaCegarLoop]: 421 mSDtfsCounter, 0 mSDsluCounter, 1674 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2095 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:36,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2095 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:47:36,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115963 states. [2024-11-19 22:47:37,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115963 to 115963. [2024-11-19 22:47:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115963 states, 115962 states have (on average 1.3275124609785964) internal successors, (153941), 115962 states have internal predecessors, (153941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:38,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115963 states to 115963 states and 153941 transitions. [2024-11-19 22:47:38,189 INFO L78 Accepts]: Start accepts. Automaton has 115963 states and 153941 transitions. Word has length 91 [2024-11-19 22:47:38,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:38,189 INFO L471 AbstractCegarLoop]: Abstraction has 115963 states and 153941 transitions. [2024-11-19 22:47:38,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 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) [2024-11-19 22:47:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 115963 states and 153941 transitions. [2024-11-19 22:47:38,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-19 22:47:38,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:38,197 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] [2024-11-19 22:47:38,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-19 22:47:38,198 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)] === [2024-11-19 22:47:38,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:38,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1316288567, now seen corresponding path program 1 times [2024-11-19 22:47:38,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:38,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172758154] [2024-11-19 22:47:38,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:38,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:38,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:38,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:38,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172758154] [2024-11-19 22:47:38,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172758154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:38,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:38,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:47:38,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561332049] [2024-11-19 22:47:38,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:38,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:47:38,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:38,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:47:38,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:47:38,303 INFO L87 Difference]: Start difference. First operand 115963 states and 153941 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) [2024-11-19 22:47:39,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:39,424 INFO L93 Difference]: Finished difference Result 289455 states and 383687 transitions. [2024-11-19 22:47:39,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:47:39,425 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 [2024-11-19 22:47:39,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:39,665 INFO L225 Difference]: With dead ends: 289455 [2024-11-19 22:47:39,665 INFO L226 Difference]: Without dead ends: 175485 [2024-11-19 22:47:39,762 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 [2024-11-19 22:47:39,763 INFO L432 NwaCegarLoop]: 399 mSDtfsCounter, 325 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:39,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 576 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 22:47:39,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175485 states. [2024-11-19 22:47:42,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175485 to 174011. [2024-11-19 22:47:42,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174011 states, 174010 states have (on average 1.30836733521062) internal successors, (227669), 174010 states have internal predecessors, (227669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:42,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174011 states to 174011 states and 227669 transitions. [2024-11-19 22:47:42,712 INFO L78 Accepts]: Start accepts. Automaton has 174011 states and 227669 transitions. Word has length 92 [2024-11-19 22:47:42,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:42,713 INFO L471 AbstractCegarLoop]: Abstraction has 174011 states and 227669 transitions. [2024-11-19 22:47:42,713 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) [2024-11-19 22:47:42,713 INFO L276 IsEmpty]: Start isEmpty. Operand 174011 states and 227669 transitions. [2024-11-19 22:47:42,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-19 22:47:42,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:42,721 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:47:42,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-19 22:47:42,721 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)] === [2024-11-19 22:47:42,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:42,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1895115289, now seen corresponding path program 1 times [2024-11-19 22:47:42,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:42,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966875438] [2024-11-19 22:47:42,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:42,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:42,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:42,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:42,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966875438] [2024-11-19 22:47:42,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966875438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:42,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:42,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:47:42,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146172742] [2024-11-19 22:47:42,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:42,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 22:47:42,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:42,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 22:47:42,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 22:47:42,897 INFO L87 Difference]: Start difference. First operand 174011 states and 227669 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:44,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:44,570 INFO L93 Difference]: Finished difference Result 278093 states and 365522 transitions. [2024-11-19 22:47:44,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 22:47:44,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2024-11-19 22:47:44,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:45,016 INFO L225 Difference]: With dead ends: 278093 [2024-11-19 22:47:45,017 INFO L226 Difference]: Without dead ends: 242307 [2024-11-19 22:47:45,090 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 [2024-11-19 22:47:45,091 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 1579 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1579 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:45,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1579 Valid, 1309 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:47:45,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242307 states. [2024-11-19 22:47:47,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242307 to 201091. [2024-11-19 22:47:47,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201091 states, 201090 states have (on average 1.3063852006564225) internal successors, (262701), 201090 states have internal predecessors, (262701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:47,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201091 states to 201091 states and 262701 transitions. [2024-11-19 22:47:47,843 INFO L78 Accepts]: Start accepts. Automaton has 201091 states and 262701 transitions. Word has length 93 [2024-11-19 22:47:47,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:47,844 INFO L471 AbstractCegarLoop]: Abstraction has 201091 states and 262701 transitions. [2024-11-19 22:47:47,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:47,844 INFO L276 IsEmpty]: Start isEmpty. Operand 201091 states and 262701 transitions. [2024-11-19 22:47:47,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 22:47:47,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:47,852 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] [2024-11-19 22:47:47,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-19 22:47:47,852 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)] === [2024-11-19 22:47:47,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:47,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1090055509, now seen corresponding path program 1 times [2024-11-19 22:47:47,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:47,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477612165] [2024-11-19 22:47:47,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:47,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:47,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:47,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:47,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477612165] [2024-11-19 22:47:47,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477612165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:47,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:47,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:47:47,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674229152] [2024-11-19 22:47:47,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:47,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:47:47,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:47,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:47:47,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:47:47,918 INFO L87 Difference]: Start difference. First operand 201091 states and 262701 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:49,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:49,836 INFO L93 Difference]: Finished difference Result 398862 states and 521130 transitions. [2024-11-19 22:47:49,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:47:49,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2024-11-19 22:47:49,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:50,299 INFO L225 Difference]: With dead ends: 398862 [2024-11-19 22:47:50,300 INFO L226 Difference]: Without dead ends: 278429 [2024-11-19 22:47:50,439 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 [2024-11-19 22:47:50,439 INFO L432 NwaCegarLoop]: 401 mSDtfsCounter, 375 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 567 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 [2024-11-19 22:47:50,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 567 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:47:50,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278429 states. [2024-11-19 22:47:53,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278429 to 197616. [2024-11-19 22:47:53,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197616 states, 197615 states have (on average 1.3035650127773701) internal successors, (257604), 197615 states have internal predecessors, (257604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:54,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197616 states to 197616 states and 257604 transitions. [2024-11-19 22:47:54,665 INFO L78 Accepts]: Start accepts. Automaton has 197616 states and 257604 transitions. Word has length 94 [2024-11-19 22:47:54,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:47:54,666 INFO L471 AbstractCegarLoop]: Abstraction has 197616 states and 257604 transitions. [2024-11-19 22:47:54,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:47:54,666 INFO L276 IsEmpty]: Start isEmpty. Operand 197616 states and 257604 transitions. [2024-11-19 22:47:54,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-19 22:47:54,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:47:54,672 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] [2024-11-19 22:47:54,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-19 22:47:54,672 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:47:54,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:47:54,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1491463166, now seen corresponding path program 1 times [2024-11-19 22:47:54,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:47:54,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981829678] [2024-11-19 22:47:54,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:47:54,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:47:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:47:54,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:47:54,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:47:54,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981829678] [2024-11-19 22:47:54,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981829678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:47:54,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:47:54,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 22:47:54,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347159068] [2024-11-19 22:47:54,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:47:54,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 22:47:54,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:47:54,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 22:47:54,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 22:47:54,812 INFO L87 Difference]: Start difference. First operand 197616 states and 257604 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2024-11-19 22:47:55,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:47:55,560 INFO L93 Difference]: Finished difference Result 284194 states and 371969 transitions. [2024-11-19 22:47:55,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 22:47:55,561 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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 [2024-11-19 22:47:55,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:47:55,890 INFO L225 Difference]: With dead ends: 284194 [2024-11-19 22:47:55,891 INFO L226 Difference]: Without dead ends: 249560 [2024-11-19 22:47:56,721 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 [2024-11-19 22:47:56,721 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 1573 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1573 SdHoareTripleChecker+Valid, 1287 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:47:56,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1573 Valid, 1287 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:47:56,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249560 states. [2024-11-19 22:47:59,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249560 to 223928. [2024-11-19 22:47:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223928 states, 223927 states have (on average 1.3016920692904383) internal successors, (291484), 223927 states have internal predecessors, (291484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:48:00,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223928 states to 223928 states and 291484 transitions. [2024-11-19 22:48:00,141 INFO L78 Accepts]: Start accepts. Automaton has 223928 states and 291484 transitions. Word has length 95 [2024-11-19 22:48:00,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:48:00,142 INFO L471 AbstractCegarLoop]: Abstraction has 223928 states and 291484 transitions. [2024-11-19 22:48:00,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 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) [2024-11-19 22:48:00,142 INFO L276 IsEmpty]: Start isEmpty. Operand 223928 states and 291484 transitions. [2024-11-19 22:48:00,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-19 22:48:00,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:48:00,173 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:48:00,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-19 22:48:00,173 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-19 22:48:00,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:48:00,174 INFO L85 PathProgramCache]: Analyzing trace with hash -2126846625, now seen corresponding path program 1 times [2024-11-19 22:48:00,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:48:00,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707809278] [2024-11-19 22:48:00,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:48:00,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:48:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:48:00,688 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:48:00,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:48:00,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707809278] [2024-11-19 22:48:00,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707809278] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 22:48:00,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131015625] [2024-11-19 22:48:00,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:48:00,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 22:48:00,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:48:00,693 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 22:48:00,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 22:48:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:48:01,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 22:48:01,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 22:48:01,520 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-19 22:48:01,521 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 22:48:01,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131015625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:48:01,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 22:48:01,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 19 [2024-11-19 22:48:01,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24299526] [2024-11-19 22:48:01,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:48:01,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:48:01,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:48:01,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:48:01,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-11-19 22:48:01,524 INFO L87 Difference]: Start difference. First operand 223928 states and 291484 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)