./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.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 ac65b92526cdafd793de45207c8e0f67883c86dc6af3548ef3333097912e0ee4 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:57:49,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:57:49,216 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:57:49,220 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:57:49,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:57:49,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:57:49,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:57:49,239 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:57:49,239 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:57:49,239 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:57:49,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:57:49,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:57:49,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:57:49,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:57:49,241 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:57:49,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:57:49,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:57:49,242 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:57:49,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:57:49,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:57:49,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:57:49,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:57:49,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:57:49,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:57:49,244 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:57:49,244 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:57:49,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:57:49,245 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:57:49,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:57:49,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:57:49,245 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:57:49,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:57:49,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:57:49,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:57:49,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:57:49,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:57:49,246 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:57:49,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:57:49,247 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:57:49,247 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:57:49,247 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:57:49,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:57:49,248 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac65b92526cdafd793de45207c8e0f67883c86dc6af3548ef3333097912e0ee4 [2024-11-08 15:57:49,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:57:49,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:57:49,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:57:49,456 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:57:49,456 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:57:49,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-08 15:57:50,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:57:51,041 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:57:51,042 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-08 15:57:51,075 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbd966941/c6821bd1836b42fc95766da319cdf00d/FLAG8deadbbbb [2024-11-08 15:57:51,300 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbd966941/c6821bd1836b42fc95766da319cdf00d [2024-11-08 15:57:51,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:57:51,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:57:51,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:57:51,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:57:51,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:57:51,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:57:51" (1/1) ... [2024-11-08 15:57:51,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f149fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:57:51, skipping insertion in model container [2024-11-08 15:57:51,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:57:51" (1/1) ... [2024-11-08 15:57:51,419 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:57:51,749 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13606,13619] [2024-11-08 15:57:51,780 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19227,19240] [2024-11-08 15:57:51,786 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20416,20429] [2024-11-08 15:57:51,800 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22562,22575] [2024-11-08 15:57:51,817 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25842,25855] [2024-11-08 15:57:51,862 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32130,32143] [2024-11-08 15:57:52,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:57:52,252 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:57:52,288 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13606,13619] [2024-11-08 15:57:52,296 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19227,19240] [2024-11-08 15:57:52,299 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[20416,20429] [2024-11-08 15:57:52,304 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[22562,22575] [2024-11-08 15:57:52,312 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25842,25855] [2024-11-08 15:57:52,324 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.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32130,32143] [2024-11-08 15:57:52,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:57:52,572 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:57:52,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:57:52 WrapperNode [2024-11-08 15:57:52,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:57:52,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:57:52,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:57:52,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:57:52,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:57:52" (1/1) ... [2024-11-08 15:57:52,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:57:52" (1/1) ... [2024-11-08 15:57:52,763 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 9476 [2024-11-08 15:57:52,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:57:52,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:57:52,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:57:52,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:57:52,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:57:52" (1/1) ... [2024-11-08 15:57:52,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:57:52" (1/1) ... [2024-11-08 15:57:52,796 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:57:52" (1/1) ... [2024-11-08 15:57:52,847 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 15:57:52,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:57:52" (1/1) ... [2024-11-08 15:57:52,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:57:52" (1/1) ... [2024-11-08 15:57:52,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:57:52" (1/1) ... [2024-11-08 15:57:52,914 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:57:52" (1/1) ... [2024-11-08 15:57:52,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:57:52" (1/1) ... [2024-11-08 15:57:52,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:57:52" (1/1) ... [2024-11-08 15:57:52,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:57:52,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:57:52,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:57:52,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:57:52,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:57:52" (1/1) ... [2024-11-08 15:57:52,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:57:52,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:57:53,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 15:57:53,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 15:57:53,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:57:53,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:57:53,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:57:53,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:57:53,272 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:57:53,273 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:57:56,315 INFO L? ?]: Removed 1319 outVars from TransFormulas that were not future-live. [2024-11-08 15:57:56,315 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:57:56,358 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:57:56,358 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 15:57:56,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:57:56 BoogieIcfgContainer [2024-11-08 15:57:56,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:57:56,360 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:57:56,360 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:57:56,364 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:57:56,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:57:51" (1/3) ... [2024-11-08 15:57:56,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c656d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:57:56, skipping insertion in model container [2024-11-08 15:57:56,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:57:52" (2/3) ... [2024-11-08 15:57:56,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c656d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:57:56, skipping insertion in model container [2024-11-08 15:57:56,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:57:56" (3/3) ... [2024-11-08 15:57:56,367 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-08 15:57:56,379 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:57:56,380 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-08 15:57:56,472 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:57:56,477 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;@8eac9f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:57:56,477 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-08 15:57:56,488 INFO L276 IsEmpty]: Start isEmpty. Operand has 1751 states, 1744 states have (on average 1.8004587155963303) internal successors, (3140), 1750 states have internal predecessors, (3140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:57:56,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 15:57:56,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:57:56,511 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] [2024-11-08 15:57:56,511 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:57:56,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:57:56,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1733440182, now seen corresponding path program 1 times [2024-11-08 15:57:56,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:57:56,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197865444] [2024-11-08 15:57:56,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:57:56,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:57:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:57:56,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:57:56,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:57:56,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197865444] [2024-11-08 15:57:56,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197865444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:57:56,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:57:56,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:57:56,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897054641] [2024-11-08 15:57:56,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:57:56,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:57:56,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:57:56,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:57:56,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:57:56,969 INFO L87 Difference]: Start difference. First operand has 1751 states, 1744 states have (on average 1.8004587155963303) internal successors, (3140), 1750 states have internal predecessors, (3140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:57:57,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:57:57,255 INFO L93 Difference]: Finished difference Result 2512 states and 4420 transitions. [2024-11-08 15:57:57,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:57:57,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2024-11-08 15:57:57,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:57:57,276 INFO L225 Difference]: With dead ends: 2512 [2024-11-08 15:57:57,276 INFO L226 Difference]: Without dead ends: 2315 [2024-11-08 15:57:57,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:57:57,281 INFO L432 NwaCegarLoop]: 3623 mSDtfsCounter, 1878 mSDsluCounter, 2008 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1878 SdHoareTripleChecker+Valid, 5631 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:57:57,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1878 Valid, 5631 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 15:57:57,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2315 states. [2024-11-08 15:57:57,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2315 to 2305. [2024-11-08 15:57:57,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2305 states, 2299 states have (on average 1.3057851239669422) internal successors, (3002), 2304 states have internal predecessors, (3002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:57:57,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 2305 states and 3002 transitions. [2024-11-08 15:57:57,372 INFO L78 Accepts]: Start accepts. Automaton has 2305 states and 3002 transitions. Word has length 75 [2024-11-08 15:57:57,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:57:57,372 INFO L471 AbstractCegarLoop]: Abstraction has 2305 states and 3002 transitions. [2024-11-08 15:57:57,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:57:57,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 3002 transitions. [2024-11-08 15:57:57,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 15:57:57,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:57:57,377 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] [2024-11-08 15:57:57,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 15:57:57,378 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:57:57,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:57:57,378 INFO L85 PathProgramCache]: Analyzing trace with hash 992628656, now seen corresponding path program 1 times [2024-11-08 15:57:57,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:57:57,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732269143] [2024-11-08 15:57:57,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:57:57,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:57:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:57:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:57:57,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:57:57,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732269143] [2024-11-08 15:57:57,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732269143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:57:57,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:57:57,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:57:57,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483788290] [2024-11-08 15:57:57,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:57:57,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:57:57,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:57:57,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:57:57,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:57:57,546 INFO L87 Difference]: Start difference. First operand 2305 states and 3002 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:57:57,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:57:57,676 INFO L93 Difference]: Finished difference Result 3218 states and 4351 transitions. [2024-11-08 15:57:57,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:57:57,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2024-11-08 15:57:57,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:57:57,683 INFO L225 Difference]: With dead ends: 3218 [2024-11-08 15:57:57,684 INFO L226 Difference]: Without dead ends: 2759 [2024-11-08 15:57:57,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:57:57,688 INFO L432 NwaCegarLoop]: 2345 mSDtfsCounter, 1183 mSDsluCounter, 1423 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1183 SdHoareTripleChecker+Valid, 3768 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:57:57,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1183 Valid, 3768 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:57:57,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2759 states. [2024-11-08 15:57:57,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2759 to 2749. [2024-11-08 15:57:57,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2749 states, 2743 states have (on average 1.3313889901567626) internal successors, (3652), 2748 states have internal predecessors, (3652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:57:57,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2749 states and 3652 transitions. [2024-11-08 15:57:57,732 INFO L78 Accepts]: Start accepts. Automaton has 2749 states and 3652 transitions. Word has length 75 [2024-11-08 15:57:57,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:57:57,735 INFO L471 AbstractCegarLoop]: Abstraction has 2749 states and 3652 transitions. [2024-11-08 15:57:57,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:57:57,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 3652 transitions. [2024-11-08 15:57:57,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 15:57:57,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:57:57,739 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:57:57,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 15:57:57,739 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:57:57,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:57:57,740 INFO L85 PathProgramCache]: Analyzing trace with hash -293589288, now seen corresponding path program 1 times [2024-11-08 15:57:57,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:57:57,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717557378] [2024-11-08 15:57:57,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:57:57,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:57:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:57:57,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:57:57,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:57:57,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717557378] [2024-11-08 15:57:57,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717557378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:57:57,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:57:57,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:57:57,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134296560] [2024-11-08 15:57:57,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:57:57,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:57:57,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:57:57,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:57:57,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:57:57,946 INFO L87 Difference]: Start difference. First operand 2749 states and 3652 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:57:58,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:57:58,776 INFO L93 Difference]: Finished difference Result 5032 states and 6903 transitions. [2024-11-08 15:57:58,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:57:58,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2024-11-08 15:57:58,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:57:58,785 INFO L225 Difference]: With dead ends: 5032 [2024-11-08 15:57:58,785 INFO L226 Difference]: Without dead ends: 2885 [2024-11-08 15:57:58,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:57:58,791 INFO L432 NwaCegarLoop]: 993 mSDtfsCounter, 5807 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5807 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:57:58,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5807 Valid, 1211 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 15:57:58,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2885 states. [2024-11-08 15:57:58,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2885 to 2875. [2024-11-08 15:57:58,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2875 states, 2869 states have (on average 1.3851516207737888) internal successors, (3974), 2874 states have internal predecessors, (3974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:57:58,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2875 states and 3974 transitions. [2024-11-08 15:57:58,848 INFO L78 Accepts]: Start accepts. Automaton has 2875 states and 3974 transitions. Word has length 75 [2024-11-08 15:57:58,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:57:58,848 INFO L471 AbstractCegarLoop]: Abstraction has 2875 states and 3974 transitions. [2024-11-08 15:57:58,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:57:58,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 3974 transitions. [2024-11-08 15:57:58,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-08 15:57:58,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:57:58,854 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] [2024-11-08 15:57:58,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 15:57:58,854 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:57:58,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:57:58,855 INFO L85 PathProgramCache]: Analyzing trace with hash -659862233, now seen corresponding path program 1 times [2024-11-08 15:57:58,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:57:58,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788998303] [2024-11-08 15:57:58,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:57:58,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:57:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:57:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:57:59,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:57:59,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788998303] [2024-11-08 15:57:59,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788998303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:57:59,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:57:59,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:57:59,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30162988] [2024-11-08 15:57:59,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:57:59,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:57:59,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:57:59,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:57:59,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:57:59,074 INFO L87 Difference]: Start difference. First operand 2875 states and 3974 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:57:59,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:57:59,692 INFO L93 Difference]: Finished difference Result 6085 states and 8642 transitions. [2024-11-08 15:57:59,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:57:59,692 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 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 76 [2024-11-08 15:57:59,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:57:59,703 INFO L225 Difference]: With dead ends: 6085 [2024-11-08 15:57:59,703 INFO L226 Difference]: Without dead ends: 3652 [2024-11-08 15:57:59,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:57:59,710 INFO L432 NwaCegarLoop]: 775 mSDtfsCounter, 4627 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4627 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 15:57:59,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4627 Valid, 990 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 15:57:59,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2024-11-08 15:57:59,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 3642. [2024-11-08 15:57:59,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3642 states, 3636 states have (on average 1.4254675467546756) internal successors, (5183), 3641 states have internal predecessors, (5183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:57:59,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3642 states to 3642 states and 5183 transitions. [2024-11-08 15:57:59,768 INFO L78 Accepts]: Start accepts. Automaton has 3642 states and 5183 transitions. Word has length 76 [2024-11-08 15:57:59,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:57:59,768 INFO L471 AbstractCegarLoop]: Abstraction has 3642 states and 5183 transitions. [2024-11-08 15:57:59,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:57:59,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3642 states and 5183 transitions. [2024-11-08 15:57:59,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 15:57:59,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:57:59,772 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:57:59,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 15:57:59,773 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:57:59,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:57:59,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1653621631, now seen corresponding path program 1 times [2024-11-08 15:57:59,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:57:59,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531509158] [2024-11-08 15:57:59,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:57:59,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:57:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:57:59,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:57:59,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:57:59,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531509158] [2024-11-08 15:57:59,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531509158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:57:59,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:57:59,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:57:59,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287810800] [2024-11-08 15:57:59,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:57:59,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:57:59,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:57:59,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:57:59,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:57:59,871 INFO L87 Difference]: Start difference. First operand 3642 states and 5183 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:57:59,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:57:59,931 INFO L93 Difference]: Finished difference Result 7380 states and 10651 transitions. [2024-11-08 15:57:59,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:57:59,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-08 15:57:59,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:57:59,944 INFO L225 Difference]: With dead ends: 7380 [2024-11-08 15:57:59,944 INFO L226 Difference]: Without dead ends: 5163 [2024-11-08 15:57:59,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:57:59,948 INFO L432 NwaCegarLoop]: 1762 mSDtfsCounter, 1094 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1094 SdHoareTripleChecker+Valid, 2702 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:57:59,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1094 Valid, 2702 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:57:59,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5163 states. [2024-11-08 15:58:00,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5163 to 5145. [2024-11-08 15:58:00,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5145 states, 5139 states have (on average 1.4135045728741) internal successors, (7264), 5144 states have internal predecessors, (7264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:00,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5145 states to 5145 states and 7264 transitions. [2024-11-08 15:58:00,025 INFO L78 Accepts]: Start accepts. Automaton has 5145 states and 7264 transitions. Word has length 77 [2024-11-08 15:58:00,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:00,025 INFO L471 AbstractCegarLoop]: Abstraction has 5145 states and 7264 transitions. [2024-11-08 15:58:00,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:00,026 INFO L276 IsEmpty]: Start isEmpty. Operand 5145 states and 7264 transitions. [2024-11-08 15:58:00,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 15:58:00,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:00,031 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] [2024-11-08 15:58:00,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 15:58:00,031 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:00,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:00,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1766360593, now seen corresponding path program 1 times [2024-11-08 15:58:00,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:00,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549298724] [2024-11-08 15:58:00,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:00,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:00,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:00,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:00,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549298724] [2024-11-08 15:58:00,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549298724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:00,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:00,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:58:00,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773033006] [2024-11-08 15:58:00,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:00,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:58:00,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:00,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:58:00,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:00,094 INFO L87 Difference]: Start difference. First operand 5145 states and 7264 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:00,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:00,157 INFO L93 Difference]: Finished difference Result 10416 states and 14895 transitions. [2024-11-08 15:58:00,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:58:00,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-08 15:58:00,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:00,174 INFO L225 Difference]: With dead ends: 10416 [2024-11-08 15:58:00,174 INFO L226 Difference]: Without dead ends: 7235 [2024-11-08 15:58:00,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:00,180 INFO L432 NwaCegarLoop]: 1775 mSDtfsCounter, 1112 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 2710 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:00,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 2710 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:58:00,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7235 states. [2024-11-08 15:58:00,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7235 to 7213. [2024-11-08 15:58:00,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7213 states, 7207 states have (on average 1.4014152906896074) internal successors, (10100), 7212 states have internal predecessors, (10100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:00,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7213 states to 7213 states and 10100 transitions. [2024-11-08 15:58:00,277 INFO L78 Accepts]: Start accepts. Automaton has 7213 states and 10100 transitions. Word has length 77 [2024-11-08 15:58:00,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:00,277 INFO L471 AbstractCegarLoop]: Abstraction has 7213 states and 10100 transitions. [2024-11-08 15:58:00,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:00,278 INFO L276 IsEmpty]: Start isEmpty. Operand 7213 states and 10100 transitions. [2024-11-08 15:58:00,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 15:58:00,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:00,284 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:00,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 15:58:00,284 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:00,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:00,285 INFO L85 PathProgramCache]: Analyzing trace with hash -775572248, now seen corresponding path program 1 times [2024-11-08 15:58:00,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:00,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641438827] [2024-11-08 15:58:00,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:00,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:00,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:00,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:00,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641438827] [2024-11-08 15:58:00,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641438827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:00,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:00,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:58:00,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349344174] [2024-11-08 15:58:00,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:00,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:58:00,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:00,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:58:00,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:00,347 INFO L87 Difference]: Start difference. First operand 7213 states and 10100 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:00,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:00,436 INFO L93 Difference]: Finished difference Result 16568 states and 23715 transitions. [2024-11-08 15:58:00,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:58:00,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-08 15:58:00,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:00,467 INFO L225 Difference]: With dead ends: 16568 [2024-11-08 15:58:00,467 INFO L226 Difference]: Without dead ends: 11139 [2024-11-08 15:58:00,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:00,476 INFO L432 NwaCegarLoop]: 1384 mSDtfsCounter, 716 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 2330 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 [2024-11-08 15:58:00,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 2330 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:58:00,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11139 states. [2024-11-08 15:58:00,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11139 to 11129. [2024-11-08 15:58:00,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11129 states, 11123 states have (on average 1.4129281668614582) internal successors, (15716), 11128 states have internal predecessors, (15716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:00,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11129 states to 11129 states and 15716 transitions. [2024-11-08 15:58:00,619 INFO L78 Accepts]: Start accepts. Automaton has 11129 states and 15716 transitions. Word has length 77 [2024-11-08 15:58:00,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:00,620 INFO L471 AbstractCegarLoop]: Abstraction has 11129 states and 15716 transitions. [2024-11-08 15:58:00,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:00,620 INFO L276 IsEmpty]: Start isEmpty. Operand 11129 states and 15716 transitions. [2024-11-08 15:58:00,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 15:58:00,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:00,628 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:00,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 15:58:00,629 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:00,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:00,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1793167006, now seen corresponding path program 1 times [2024-11-08 15:58:00,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:00,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645038673] [2024-11-08 15:58:00,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:00,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:00,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:00,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:00,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645038673] [2024-11-08 15:58:00,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645038673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:00,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:00,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:58:00,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489565814] [2024-11-08 15:58:00,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:00,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:58:00,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:00,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:58:00,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:58:00,745 INFO L87 Difference]: Start difference. First operand 11129 states and 15716 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:01,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:01,300 INFO L93 Difference]: Finished difference Result 24320 states and 34641 transitions. [2024-11-08 15:58:01,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:58:01,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-08 15:58:01,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:01,321 INFO L225 Difference]: With dead ends: 24320 [2024-11-08 15:58:01,321 INFO L226 Difference]: Without dead ends: 14157 [2024-11-08 15:58:01,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:58:01,334 INFO L432 NwaCegarLoop]: 666 mSDtfsCounter, 3965 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3965 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:01,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3965 Valid, 861 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 15:58:01,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14157 states. [2024-11-08 15:58:01,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14157 to 14111. [2024-11-08 15:58:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14111 states, 14105 states have (on average 1.4162353775257002) internal successors, (19976), 14110 states have internal predecessors, (19976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:01,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14111 states to 14111 states and 19976 transitions. [2024-11-08 15:58:01,586 INFO L78 Accepts]: Start accepts. Automaton has 14111 states and 19976 transitions. Word has length 77 [2024-11-08 15:58:01,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:01,587 INFO L471 AbstractCegarLoop]: Abstraction has 14111 states and 19976 transitions. [2024-11-08 15:58:01,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:01,587 INFO L276 IsEmpty]: Start isEmpty. Operand 14111 states and 19976 transitions. [2024-11-08 15:58:01,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-08 15:58:01,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:01,596 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:01,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 15:58:01,596 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:01,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:01,597 INFO L85 PathProgramCache]: Analyzing trace with hash 384616632, now seen corresponding path program 1 times [2024-11-08 15:58:01,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:01,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767950674] [2024-11-08 15:58:01,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:01,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:01,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:01,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:01,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767950674] [2024-11-08 15:58:01,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767950674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:01,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:01,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:58:01,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076914808] [2024-11-08 15:58:01,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:01,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:58:01,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:01,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:58:01,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:58:01,776 INFO L87 Difference]: Start difference. First operand 14111 states and 19976 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:02,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:02,737 INFO L93 Difference]: Finished difference Result 29931 states and 42980 transitions. [2024-11-08 15:58:02,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:58:02,738 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-11-08 15:58:02,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:02,788 INFO L225 Difference]: With dead ends: 29931 [2024-11-08 15:58:02,788 INFO L226 Difference]: Without dead ends: 25587 [2024-11-08 15:58:02,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:58:02,807 INFO L432 NwaCegarLoop]: 687 mSDtfsCounter, 5181 mSDsluCounter, 1070 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5181 SdHoareTripleChecker+Valid, 1757 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:02,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5181 Valid, 1757 Invalid, 1378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 15:58:02,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25587 states. [2024-11-08 15:58:03,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25587 to 14159. [2024-11-08 15:58:03,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14159 states, 14153 states have (on average 1.4159542146541368) internal successors, (20040), 14158 states have internal predecessors, (20040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:03,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14159 states to 14159 states and 20040 transitions. [2024-11-08 15:58:03,093 INFO L78 Accepts]: Start accepts. Automaton has 14159 states and 20040 transitions. Word has length 78 [2024-11-08 15:58:03,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:03,093 INFO L471 AbstractCegarLoop]: Abstraction has 14159 states and 20040 transitions. [2024-11-08 15:58:03,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:03,094 INFO L276 IsEmpty]: Start isEmpty. Operand 14159 states and 20040 transitions. [2024-11-08 15:58:03,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-08 15:58:03,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:03,101 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:03,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 15:58:03,102 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:03,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:03,105 INFO L85 PathProgramCache]: Analyzing trace with hash -448054908, now seen corresponding path program 1 times [2024-11-08 15:58:03,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:03,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331386806] [2024-11-08 15:58:03,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:03,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:03,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:03,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:03,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331386806] [2024-11-08 15:58:03,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331386806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:03,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:03,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:58:03,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241385085] [2024-11-08 15:58:03,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:03,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:58:03,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:03,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:58:03,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:58:03,242 INFO L87 Difference]: Start difference. First operand 14159 states and 20040 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:04,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:04,009 INFO L93 Difference]: Finished difference Result 34907 states and 50277 transitions. [2024-11-08 15:58:04,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:58:04,009 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-11-08 15:58:04,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:04,041 INFO L225 Difference]: With dead ends: 34907 [2024-11-08 15:58:04,042 INFO L226 Difference]: Without dead ends: 29287 [2024-11-08 15:58:04,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:58:04,053 INFO L432 NwaCegarLoop]: 676 mSDtfsCounter, 5081 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5081 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:04,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5081 Valid, 1726 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 15:58:04,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29287 states. [2024-11-08 15:58:04,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29287 to 14339. [2024-11-08 15:58:04,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14339 states, 14333 states have (on average 1.4149166259680457) internal successors, (20280), 14338 states have internal predecessors, (20280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:04,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14339 states to 14339 states and 20280 transitions. [2024-11-08 15:58:04,294 INFO L78 Accepts]: Start accepts. Automaton has 14339 states and 20280 transitions. Word has length 78 [2024-11-08 15:58:04,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:04,294 INFO L471 AbstractCegarLoop]: Abstraction has 14339 states and 20280 transitions. [2024-11-08 15:58:04,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:04,295 INFO L276 IsEmpty]: Start isEmpty. Operand 14339 states and 20280 transitions. [2024-11-08 15:58:04,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-08 15:58:04,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:04,303 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:04,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 15:58:04,303 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:04,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:04,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1302867127, now seen corresponding path program 1 times [2024-11-08 15:58:04,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:04,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667019075] [2024-11-08 15:58:04,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:04,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:04,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:04,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:04,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667019075] [2024-11-08 15:58:04,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667019075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:04,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:04,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:58:04,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067263152] [2024-11-08 15:58:04,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:04,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:58:04,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:04,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:58:04,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:58:04,447 INFO L87 Difference]: Start difference. First operand 14339 states and 20280 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:05,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:05,181 INFO L93 Difference]: Finished difference Result 32593 states and 46876 transitions. [2024-11-08 15:58:05,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:58:05,181 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-11-08 15:58:05,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:05,218 INFO L225 Difference]: With dead ends: 32593 [2024-11-08 15:58:05,218 INFO L226 Difference]: Without dead ends: 27259 [2024-11-08 15:58:05,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:58:05,231 INFO L432 NwaCegarLoop]: 663 mSDtfsCounter, 5036 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5036 SdHoareTripleChecker+Valid, 1701 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 1314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:05,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5036 Valid, 1701 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 1314 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 15:58:05,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27259 states. [2024-11-08 15:58:05,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27259 to 14639. [2024-11-08 15:58:05,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14639 states, 14633 states have (on average 1.413517392195722) internal successors, (20684), 14638 states have internal predecessors, (20684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:05,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14639 states to 14639 states and 20684 transitions. [2024-11-08 15:58:05,457 INFO L78 Accepts]: Start accepts. Automaton has 14639 states and 20684 transitions. Word has length 78 [2024-11-08 15:58:05,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:05,458 INFO L471 AbstractCegarLoop]: Abstraction has 14639 states and 20684 transitions. [2024-11-08 15:58:05,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:05,458 INFO L276 IsEmpty]: Start isEmpty. Operand 14639 states and 20684 transitions. [2024-11-08 15:58:05,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 15:58:05,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:05,466 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] [2024-11-08 15:58:05,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 15:58:05,467 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:05,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:05,467 INFO L85 PathProgramCache]: Analyzing trace with hash -2082723386, now seen corresponding path program 1 times [2024-11-08 15:58:05,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:05,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127651033] [2024-11-08 15:58:05,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:05,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:05,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:05,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:05,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127651033] [2024-11-08 15:58:05,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127651033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:05,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:05,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:58:05,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117632608] [2024-11-08 15:58:05,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:05,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 15:58:05,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:05,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 15:58:05,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:58:05,750 INFO L87 Difference]: Start difference. First operand 14639 states and 20684 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:05,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:05,787 INFO L93 Difference]: Finished difference Result 14639 states and 20684 transitions. [2024-11-08 15:58:05,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 15:58:05,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-11-08 15:58:05,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:05,802 INFO L225 Difference]: With dead ends: 14639 [2024-11-08 15:58:05,802 INFO L226 Difference]: Without dead ends: 14637 [2024-11-08 15:58:05,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:58:05,806 INFO L432 NwaCegarLoop]: 1177 mSDtfsCounter, 0 mSDsluCounter, 2350 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3527 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:05,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3527 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:58:05,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14637 states. [2024-11-08 15:58:05,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14637 to 14637. [2024-11-08 15:58:05,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14637 states, 14632 states have (on average 1.411085292509568) internal successors, (20647), 14636 states have internal predecessors, (20647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:05,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14637 states to 14637 states and 20647 transitions. [2024-11-08 15:58:05,936 INFO L78 Accepts]: Start accepts. Automaton has 14637 states and 20647 transitions. Word has length 79 [2024-11-08 15:58:05,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:05,936 INFO L471 AbstractCegarLoop]: Abstraction has 14637 states and 20647 transitions. [2024-11-08 15:58:05,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:05,936 INFO L276 IsEmpty]: Start isEmpty. Operand 14637 states and 20647 transitions. [2024-11-08 15:58:05,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 15:58:05,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:05,945 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] [2024-11-08 15:58:05,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 15:58:05,945 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:05,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:05,945 INFO L85 PathProgramCache]: Analyzing trace with hash -554526117, now seen corresponding path program 1 times [2024-11-08 15:58:05,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:05,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875606882] [2024-11-08 15:58:05,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:05,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:06,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:06,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:06,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875606882] [2024-11-08 15:58:06,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875606882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:06,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:06,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:58:06,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218988484] [2024-11-08 15:58:06,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:06,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 15:58:06,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:06,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 15:58:06,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:58:06,202 INFO L87 Difference]: Start difference. First operand 14637 states and 20647 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:06,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:06,251 INFO L93 Difference]: Finished difference Result 14637 states and 20647 transitions. [2024-11-08 15:58:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 15:58:06,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-11-08 15:58:06,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:06,268 INFO L225 Difference]: With dead ends: 14637 [2024-11-08 15:58:06,269 INFO L226 Difference]: Without dead ends: 14635 [2024-11-08 15:58:06,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:58:06,275 INFO L432 NwaCegarLoop]: 1175 mSDtfsCounter, 0 mSDsluCounter, 2346 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3521 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:06,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3521 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:58:06,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14635 states. [2024-11-08 15:58:06,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14635 to 14635. [2024-11-08 15:58:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14635 states, 14631 states have (on average 1.4086528603649784) internal successors, (20610), 14634 states have internal predecessors, (20610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:06,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14635 states to 14635 states and 20610 transitions. [2024-11-08 15:58:06,490 INFO L78 Accepts]: Start accepts. Automaton has 14635 states and 20610 transitions. Word has length 79 [2024-11-08 15:58:06,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:06,490 INFO L471 AbstractCegarLoop]: Abstraction has 14635 states and 20610 transitions. [2024-11-08 15:58:06,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand 14635 states and 20610 transitions. [2024-11-08 15:58:06,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 15:58:06,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:06,500 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:06,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 15:58:06,500 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:06,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:06,500 INFO L85 PathProgramCache]: Analyzing trace with hash -2114012911, now seen corresponding path program 1 times [2024-11-08 15:58:06,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:06,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146153344] [2024-11-08 15:58:06,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:06,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:06,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:06,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146153344] [2024-11-08 15:58:06,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146153344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:06,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:06,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:58:06,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789333827] [2024-11-08 15:58:06,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:06,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:58:06,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:06,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:58:06,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:58:06,641 INFO L87 Difference]: Start difference. First operand 14635 states and 20610 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:07,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:07,174 INFO L93 Difference]: Finished difference Result 32708 states and 46104 transitions. [2024-11-08 15:58:07,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:58:07,175 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-11-08 15:58:07,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:07,195 INFO L225 Difference]: With dead ends: 32708 [2024-11-08 15:58:07,196 INFO L226 Difference]: Without dead ends: 18877 [2024-11-08 15:58:07,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:58:07,211 INFO L432 NwaCegarLoop]: 620 mSDtfsCounter, 3599 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:07,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3599 Valid, 770 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 15:58:07,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18877 states. [2024-11-08 15:58:07,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18877 to 18817. [2024-11-08 15:58:07,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18817 states, 18813 states have (on average 1.3977037155158667) internal successors, (26295), 18816 states have internal predecessors, (26295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:07,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18817 states to 18817 states and 26295 transitions. [2024-11-08 15:58:07,404 INFO L78 Accepts]: Start accepts. Automaton has 18817 states and 26295 transitions. Word has length 79 [2024-11-08 15:58:07,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:07,405 INFO L471 AbstractCegarLoop]: Abstraction has 18817 states and 26295 transitions. [2024-11-08 15:58:07,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:07,405 INFO L276 IsEmpty]: Start isEmpty. Operand 18817 states and 26295 transitions. [2024-11-08 15:58:07,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 15:58:07,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:07,413 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:07,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 15:58:07,414 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:07,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:07,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1892443340, now seen corresponding path program 1 times [2024-11-08 15:58:07,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:07,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677766902] [2024-11-08 15:58:07,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:07,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:07,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:07,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:07,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677766902] [2024-11-08 15:58:07,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677766902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:07,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:07,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:58:07,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039322960] [2024-11-08 15:58:07,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:07,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:58:07,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:07,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:58:07,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:58:07,553 INFO L87 Difference]: Start difference. First operand 18817 states and 26295 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:08,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:08,066 INFO L93 Difference]: Finished difference Result 43750 states and 61399 transitions. [2024-11-08 15:58:08,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:58:08,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2024-11-08 15:58:08,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:08,098 INFO L225 Difference]: With dead ends: 43750 [2024-11-08 15:58:08,098 INFO L226 Difference]: Without dead ends: 25804 [2024-11-08 15:58:08,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:58:08,117 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 3975 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3975 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:08,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3975 Valid, 904 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 15:58:08,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25804 states. [2024-11-08 15:58:08,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25804 to 18817. [2024-11-08 15:58:08,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18817 states, 18813 states have (on average 1.3933450273746877) internal successors, (26213), 18816 states have internal predecessors, (26213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:08,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18817 states to 18817 states and 26213 transitions. [2024-11-08 15:58:08,333 INFO L78 Accepts]: Start accepts. Automaton has 18817 states and 26213 transitions. Word has length 79 [2024-11-08 15:58:08,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:08,334 INFO L471 AbstractCegarLoop]: Abstraction has 18817 states and 26213 transitions. [2024-11-08 15:58:08,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:08,334 INFO L276 IsEmpty]: Start isEmpty. Operand 18817 states and 26213 transitions. [2024-11-08 15:58:08,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 15:58:08,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:08,341 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] [2024-11-08 15:58:08,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 15:58:08,341 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:08,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:08,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1137442928, now seen corresponding path program 1 times [2024-11-08 15:58:08,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:08,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820260813] [2024-11-08 15:58:08,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:08,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:08,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:08,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:08,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820260813] [2024-11-08 15:58:08,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820260813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:08,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:08,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:58:08,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972023560] [2024-11-08 15:58:08,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:08,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:58:08,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:08,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:58:08,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:58:08,471 INFO L87 Difference]: Start difference. First operand 18817 states and 26213 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:09,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:09,263 INFO L93 Difference]: Finished difference Result 41941 states and 59219 transitions. [2024-11-08 15:58:09,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:58:09,264 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2024-11-08 15:58:09,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:09,358 INFO L225 Difference]: With dead ends: 41941 [2024-11-08 15:58:09,358 INFO L226 Difference]: Without dead ends: 34467 [2024-11-08 15:58:09,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:58:09,363 INFO L432 NwaCegarLoop]: 621 mSDtfsCounter, 4771 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4771 SdHoareTripleChecker+Valid, 1673 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:09,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4771 Valid, 1673 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 15:58:09,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34467 states. [2024-11-08 15:58:09,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34467 to 19324. [2024-11-08 15:58:09,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19324 states, 19320 states have (on average 1.392287784679089) internal successors, (26899), 19323 states have internal predecessors, (26899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19324 states to 19324 states and 26899 transitions. [2024-11-08 15:58:09,580 INFO L78 Accepts]: Start accepts. Automaton has 19324 states and 26899 transitions. Word has length 80 [2024-11-08 15:58:09,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:09,580 INFO L471 AbstractCegarLoop]: Abstraction has 19324 states and 26899 transitions. [2024-11-08 15:58:09,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:09,580 INFO L276 IsEmpty]: Start isEmpty. Operand 19324 states and 26899 transitions. [2024-11-08 15:58:09,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 15:58:09,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:09,588 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] [2024-11-08 15:58:09,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 15:58:09,588 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:09,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:09,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1407167192, now seen corresponding path program 1 times [2024-11-08 15:58:09,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:09,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98868658] [2024-11-08 15:58:09,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:09,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:09,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:09,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:09,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98868658] [2024-11-08 15:58:09,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98868658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:09,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:09,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:58:09,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732263269] [2024-11-08 15:58:09,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:09,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:58:09,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:09,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:58:09,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:58:09,714 INFO L87 Difference]: Start difference. First operand 19324 states and 26899 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:10,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:10,357 INFO L93 Difference]: Finished difference Result 39250 states and 55220 transitions. [2024-11-08 15:58:10,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:58:10,358 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2024-11-08 15:58:10,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:10,386 INFO L225 Difference]: With dead ends: 39250 [2024-11-08 15:58:10,386 INFO L226 Difference]: Without dead ends: 30108 [2024-11-08 15:58:10,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:58:10,398 INFO L432 NwaCegarLoop]: 691 mSDtfsCounter, 4574 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4574 SdHoareTripleChecker+Valid, 1593 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:10,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4574 Valid, 1593 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 15:58:10,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30108 states. [2024-11-08 15:58:10,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30108 to 19408. [2024-11-08 15:58:10,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19408 states, 19404 states have (on average 1.3918264275407133) internal successors, (27007), 19407 states have internal predecessors, (27007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19408 states to 19408 states and 27007 transitions. [2024-11-08 15:58:10,678 INFO L78 Accepts]: Start accepts. Automaton has 19408 states and 27007 transitions. Word has length 80 [2024-11-08 15:58:10,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:10,679 INFO L471 AbstractCegarLoop]: Abstraction has 19408 states and 27007 transitions. [2024-11-08 15:58:10,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:10,679 INFO L276 IsEmpty]: Start isEmpty. Operand 19408 states and 27007 transitions. [2024-11-08 15:58:10,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 15:58:10,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:10,686 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] [2024-11-08 15:58:10,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 15:58:10,686 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:10,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:10,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1477869642, now seen corresponding path program 1 times [2024-11-08 15:58:10,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:10,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988425091] [2024-11-08 15:58:10,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:10,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:10,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:10,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:10,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988425091] [2024-11-08 15:58:10,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988425091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:10,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:10,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:58:10,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722619524] [2024-11-08 15:58:10,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:10,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 15:58:10,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:10,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 15:58:10,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:58:10,887 INFO L87 Difference]: Start difference. First operand 19408 states and 27007 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:10,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:10,937 INFO L93 Difference]: Finished difference Result 19408 states and 27007 transitions. [2024-11-08 15:58:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 15:58:10,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2024-11-08 15:58:10,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:10,955 INFO L225 Difference]: With dead ends: 19408 [2024-11-08 15:58:10,956 INFO L226 Difference]: Without dead ends: 19406 [2024-11-08 15:58:10,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:58:10,961 INFO L432 NwaCegarLoop]: 1122 mSDtfsCounter, 0 mSDsluCounter, 2240 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3362 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:10,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3362 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:58:10,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19406 states. [2024-11-08 15:58:11,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19406 to 19406. [2024-11-08 15:58:11,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19406 states, 19403 states have (on average 1.3890635468741948) internal successors, (26952), 19405 states have internal predecessors, (26952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:11,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19406 states to 19406 states and 26952 transitions. [2024-11-08 15:58:11,202 INFO L78 Accepts]: Start accepts. Automaton has 19406 states and 26952 transitions. Word has length 81 [2024-11-08 15:58:11,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:11,202 INFO L471 AbstractCegarLoop]: Abstraction has 19406 states and 26952 transitions. [2024-11-08 15:58:11,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:11,203 INFO L276 IsEmpty]: Start isEmpty. Operand 19406 states and 26952 transitions. [2024-11-08 15:58:11,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 15:58:11,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:11,212 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] [2024-11-08 15:58:11,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 15:58:11,213 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:11,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:11,213 INFO L85 PathProgramCache]: Analyzing trace with hash -918459322, now seen corresponding path program 1 times [2024-11-08 15:58:11,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:11,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602497823] [2024-11-08 15:58:11,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:11,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:11,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:11,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602497823] [2024-11-08 15:58:11,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602497823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:11,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:11,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:58:11,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520167667] [2024-11-08 15:58:11,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:11,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 15:58:11,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:11,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 15:58:11,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:58:11,501 INFO L87 Difference]: Start difference. First operand 19406 states and 26952 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:11,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:11,561 INFO L93 Difference]: Finished difference Result 19406 states and 26952 transitions. [2024-11-08 15:58:11,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 15:58:11,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2024-11-08 15:58:11,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:11,581 INFO L225 Difference]: With dead ends: 19406 [2024-11-08 15:58:11,581 INFO L226 Difference]: Without dead ends: 19404 [2024-11-08 15:58:11,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:58:11,588 INFO L432 NwaCegarLoop]: 1120 mSDtfsCounter, 0 mSDsluCounter, 2236 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3356 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:11,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3356 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:58:11,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19404 states. [2024-11-08 15:58:11,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19404 to 19404. [2024-11-08 15:58:11,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19404 states, 19402 states have (on average 1.386300381403979) internal successors, (26897), 19403 states have internal predecessors, (26897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:11,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19404 states to 19404 states and 26897 transitions. [2024-11-08 15:58:11,859 INFO L78 Accepts]: Start accepts. Automaton has 19404 states and 26897 transitions. Word has length 81 [2024-11-08 15:58:11,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:11,859 INFO L471 AbstractCegarLoop]: Abstraction has 19404 states and 26897 transitions. [2024-11-08 15:58:11,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 19404 states and 26897 transitions. [2024-11-08 15:58:11,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 15:58:11,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:11,870 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:11,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 15:58:11,870 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:11,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:11,871 INFO L85 PathProgramCache]: Analyzing trace with hash 433406996, now seen corresponding path program 1 times [2024-11-08 15:58:11,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:11,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67550693] [2024-11-08 15:58:11,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:11,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:12,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:12,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67550693] [2024-11-08 15:58:12,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67550693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:12,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:12,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 15:58:12,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838703162] [2024-11-08 15:58:12,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:12,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:58:12,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:12,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:58:12,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:58:12,171 INFO L87 Difference]: Start difference. First operand 19404 states and 26897 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:13,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:13,193 INFO L93 Difference]: Finished difference Result 39305 states and 55411 transitions. [2024-11-08 15:58:13,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:58:13,193 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-08 15:58:13,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:13,228 INFO L225 Difference]: With dead ends: 39305 [2024-11-08 15:58:13,229 INFO L226 Difference]: Without dead ends: 28449 [2024-11-08 15:58:13,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-08 15:58:13,242 INFO L432 NwaCegarLoop]: 711 mSDtfsCounter, 5048 mSDsluCounter, 2447 mSDsCounter, 0 mSdLazyCounter, 2456 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5048 SdHoareTripleChecker+Valid, 3158 SdHoareTripleChecker+Invalid, 2487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:13,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5048 Valid, 3158 Invalid, 2487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2456 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 15:58:13,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28449 states. [2024-11-08 15:58:13,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28449 to 19404. [2024-11-08 15:58:13,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19404 states, 19402 states have (on average 1.3856818884651068) internal successors, (26885), 19403 states have internal predecessors, (26885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:13,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19404 states to 19404 states and 26885 transitions. [2024-11-08 15:58:13,533 INFO L78 Accepts]: Start accepts. Automaton has 19404 states and 26885 transitions. Word has length 83 [2024-11-08 15:58:13,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:13,533 INFO L471 AbstractCegarLoop]: Abstraction has 19404 states and 26885 transitions. [2024-11-08 15:58:13,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 8 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:13,533 INFO L276 IsEmpty]: Start isEmpty. Operand 19404 states and 26885 transitions. [2024-11-08 15:58:13,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 15:58:13,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:13,542 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:13,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 15:58:13,542 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:13,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:13,543 INFO L85 PathProgramCache]: Analyzing trace with hash -275985466, now seen corresponding path program 1 times [2024-11-08 15:58:13,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:13,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619087199] [2024-11-08 15:58:13,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:13,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:13,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:13,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619087199] [2024-11-08 15:58:13,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619087199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:13,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:13,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 15:58:13,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090781637] [2024-11-08 15:58:13,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:13,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 15:58:13,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:13,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 15:58:13,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:58:13,740 INFO L87 Difference]: Start difference. First operand 19404 states and 26885 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:13,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:13,787 INFO L93 Difference]: Finished difference Result 19404 states and 26885 transitions. [2024-11-08 15:58:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 15:58:13,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-08 15:58:13,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:13,806 INFO L225 Difference]: With dead ends: 19404 [2024-11-08 15:58:13,807 INFO L226 Difference]: Without dead ends: 19402 [2024-11-08 15:58:13,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 15:58:13,813 INFO L432 NwaCegarLoop]: 1117 mSDtfsCounter, 0 mSDsluCounter, 2230 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3347 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:13,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3347 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:58:13,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19402 states. [2024-11-08 15:58:13,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19402 to 19402. [2024-11-08 15:58:13,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19402 states, 19401 states have (on average 1.3815267254265244) internal successors, (26803), 19401 states have internal predecessors, (26803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19402 states to 19402 states and 26803 transitions. [2024-11-08 15:58:14,013 INFO L78 Accepts]: Start accepts. Automaton has 19402 states and 26803 transitions. Word has length 83 [2024-11-08 15:58:14,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:14,013 INFO L471 AbstractCegarLoop]: Abstraction has 19402 states and 26803 transitions. [2024-11-08 15:58:14,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:14,014 INFO L276 IsEmpty]: Start isEmpty. Operand 19402 states and 26803 transitions. [2024-11-08 15:58:14,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 15:58:14,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:14,024 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] [2024-11-08 15:58:14,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 15:58:14,025 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:14,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:14,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1130030564, now seen corresponding path program 1 times [2024-11-08 15:58:14,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:14,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580343208] [2024-11-08 15:58:14,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:14,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:14,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:14,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:14,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580343208] [2024-11-08 15:58:14,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580343208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:14,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:14,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:58:14,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851446286] [2024-11-08 15:58:14,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:14,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:58:14,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:14,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:58:14,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:58:14,149 INFO L87 Difference]: Start difference. First operand 19402 states and 26803 transitions. Second operand has 7 states, 7 states have (on average 12.0) 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) [2024-11-08 15:58:14,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:14,946 INFO L93 Difference]: Finished difference Result 41836 states and 58867 transitions. [2024-11-08 15:58:14,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:58:14,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) 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 [2024-11-08 15:58:14,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:14,974 INFO L225 Difference]: With dead ends: 41836 [2024-11-08 15:58:14,974 INFO L226 Difference]: Without dead ends: 34580 [2024-11-08 15:58:14,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:58:14,982 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 4739 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 1339 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4739 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 1467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:14,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4739 Valid, 1661 Invalid, 1467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1339 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 15:58:14,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34580 states. [2024-11-08 15:58:15,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34580 to 19492. [2024-11-08 15:58:15,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19492 states, 19491 states have (on average 1.3813041916782105) internal successors, (26923), 19491 states have internal predecessors, (26923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:15,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19492 states to 19492 states and 26923 transitions. [2024-11-08 15:58:15,237 INFO L78 Accepts]: Start accepts. Automaton has 19492 states and 26923 transitions. Word has length 84 [2024-11-08 15:58:15,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:15,237 INFO L471 AbstractCegarLoop]: Abstraction has 19492 states and 26923 transitions. [2024-11-08 15:58:15,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) 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) [2024-11-08 15:58:15,238 INFO L276 IsEmpty]: Start isEmpty. Operand 19492 states and 26923 transitions. [2024-11-08 15:58:15,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 15:58:15,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:15,247 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] [2024-11-08 15:58:15,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 15:58:15,247 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:15,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:15,247 INFO L85 PathProgramCache]: Analyzing trace with hash -931305841, now seen corresponding path program 1 times [2024-11-08 15:58:15,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:15,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013106721] [2024-11-08 15:58:15,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:15,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:15,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:15,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013106721] [2024-11-08 15:58:15,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013106721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:15,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:15,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:58:15,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255676902] [2024-11-08 15:58:15,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:15,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:58:15,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:15,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:58:15,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:58:15,737 INFO L87 Difference]: Start difference. First operand 19492 states and 26923 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 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) [2024-11-08 15:58:16,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:16,406 INFO L93 Difference]: Finished difference Result 43080 states and 60955 transitions. [2024-11-08 15:58:16,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:58:16,406 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 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 [2024-11-08 15:58:16,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:16,444 INFO L225 Difference]: With dead ends: 43080 [2024-11-08 15:58:16,444 INFO L226 Difference]: Without dead ends: 31540 [2024-11-08 15:58:16,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2024-11-08 15:58:16,463 INFO L432 NwaCegarLoop]: 1012 mSDtfsCounter, 7311 mSDsluCounter, 4737 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7311 SdHoareTripleChecker+Valid, 5749 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:16,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7311 Valid, 5749 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 15:58:16,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31540 states. [2024-11-08 15:58:16,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31540 to 18788. [2024-11-08 15:58:16,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18788 states, 18787 states have (on average 1.383456645552776) internal successors, (25991), 18787 states have internal predecessors, (25991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:16,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18788 states to 18788 states and 25991 transitions. [2024-11-08 15:58:16,766 INFO L78 Accepts]: Start accepts. Automaton has 18788 states and 25991 transitions. Word has length 84 [2024-11-08 15:58:16,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:16,766 INFO L471 AbstractCegarLoop]: Abstraction has 18788 states and 25991 transitions. [2024-11-08 15:58:16,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 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) [2024-11-08 15:58:16,766 INFO L276 IsEmpty]: Start isEmpty. Operand 18788 states and 25991 transitions. [2024-11-08 15:58:16,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 15:58:16,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:16,774 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] [2024-11-08 15:58:16,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 15:58:16,774 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:16,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:16,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1871785294, now seen corresponding path program 1 times [2024-11-08 15:58:16,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:16,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558469134] [2024-11-08 15:58:16,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:16,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:17,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:17,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:17,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558469134] [2024-11-08 15:58:17,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558469134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:17,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:17,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:58:17,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639758423] [2024-11-08 15:58:17,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:17,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 15:58:17,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:17,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 15:58:17,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:58:17,030 INFO L87 Difference]: Start difference. First operand 18788 states and 25991 transitions. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 9 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) [2024-11-08 15:58:18,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:18,203 INFO L93 Difference]: Finished difference Result 30930 states and 43069 transitions. [2024-11-08 15:58:18,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:58:18,203 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 9 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 [2024-11-08 15:58:18,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:18,228 INFO L225 Difference]: With dead ends: 30930 [2024-11-08 15:58:18,229 INFO L226 Difference]: Without dead ends: 27121 [2024-11-08 15:58:18,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-08 15:58:18,238 INFO L432 NwaCegarLoop]: 601 mSDtfsCounter, 2528 mSDsluCounter, 2446 mSDsCounter, 0 mSdLazyCounter, 2632 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2528 SdHoareTripleChecker+Valid, 3047 SdHoareTripleChecker+Invalid, 2642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 2632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:18,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2528 Valid, 3047 Invalid, 2642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 2632 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:58:18,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27121 states. [2024-11-08 15:58:18,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27121 to 18792. [2024-11-08 15:58:18,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18792 states, 18791 states have (on average 1.3833218029907934) internal successors, (25994), 18791 states have internal predecessors, (25994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:18,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18792 states to 18792 states and 25994 transitions. [2024-11-08 15:58:18,457 INFO L78 Accepts]: Start accepts. Automaton has 18792 states and 25994 transitions. Word has length 84 [2024-11-08 15:58:18,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:18,457 INFO L471 AbstractCegarLoop]: Abstraction has 18792 states and 25994 transitions. [2024-11-08 15:58:18,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 9 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) [2024-11-08 15:58:18,457 INFO L276 IsEmpty]: Start isEmpty. Operand 18792 states and 25994 transitions. [2024-11-08 15:58:18,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 15:58:18,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:18,466 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] [2024-11-08 15:58:18,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 15:58:18,466 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:18,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:18,466 INFO L85 PathProgramCache]: Analyzing trace with hash 2052233324, now seen corresponding path program 1 times [2024-11-08 15:58:18,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:18,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000646602] [2024-11-08 15:58:18,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:18,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:18,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:18,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:18,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000646602] [2024-11-08 15:58:18,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000646602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:18,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:18,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:58:18,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717970164] [2024-11-08 15:58:18,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:18,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:58:18,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:18,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:58:18,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:58:18,588 INFO L87 Difference]: Start difference. First operand 18792 states and 25994 transitions. Second operand has 7 states, 7 states have (on average 12.0) 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) [2024-11-08 15:58:19,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:19,351 INFO L93 Difference]: Finished difference Result 44708 states and 63163 transitions. [2024-11-08 15:58:19,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:58:19,352 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) 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 [2024-11-08 15:58:19,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:19,394 INFO L225 Difference]: With dead ends: 44708 [2024-11-08 15:58:19,394 INFO L226 Difference]: Without dead ends: 37360 [2024-11-08 15:58:19,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:58:19,413 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 4657 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4657 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:19,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4657 Valid, 1641 Invalid, 1271 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [121 Valid, 1150 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 15:58:19,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37360 states. [2024-11-08 15:58:19,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37360 to 18852. [2024-11-08 15:58:19,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18852 states, 18851 states have (on average 1.3831626969391544) internal successors, (26074), 18851 states have internal predecessors, (26074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:19,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18852 states to 18852 states and 26074 transitions. [2024-11-08 15:58:19,857 INFO L78 Accepts]: Start accepts. Automaton has 18852 states and 26074 transitions. Word has length 84 [2024-11-08 15:58:19,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:19,857 INFO L471 AbstractCegarLoop]: Abstraction has 18852 states and 26074 transitions. [2024-11-08 15:58:19,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) 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) [2024-11-08 15:58:19,857 INFO L276 IsEmpty]: Start isEmpty. Operand 18852 states and 26074 transitions. [2024-11-08 15:58:19,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 15:58:19,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:19,869 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] [2024-11-08 15:58:19,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-08 15:58:19,869 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:19,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:19,870 INFO L85 PathProgramCache]: Analyzing trace with hash -2145588072, now seen corresponding path program 1 times [2024-11-08 15:58:19,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:19,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416103868] [2024-11-08 15:58:19,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:19,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:20,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:20,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:20,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416103868] [2024-11-08 15:58:20,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416103868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:20,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:20,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 15:58:20,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866285157] [2024-11-08 15:58:20,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:20,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:58:20,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:20,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:58:20,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:58:20,189 INFO L87 Difference]: Start difference. First operand 18852 states and 26074 transitions. Second operand has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 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) [2024-11-08 15:58:21,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:21,121 INFO L93 Difference]: Finished difference Result 39376 states and 55467 transitions. [2024-11-08 15:58:21,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:58:21,122 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 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 [2024-11-08 15:58:21,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:21,154 INFO L225 Difference]: With dead ends: 39376 [2024-11-08 15:58:21,154 INFO L226 Difference]: Without dead ends: 28452 [2024-11-08 15:58:21,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-08 15:58:21,169 INFO L432 NwaCegarLoop]: 668 mSDtfsCounter, 5515 mSDsluCounter, 1957 mSDsCounter, 0 mSdLazyCounter, 1891 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5515 SdHoareTripleChecker+Valid, 2625 SdHoareTripleChecker+Invalid, 1931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:21,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5515 Valid, 2625 Invalid, 1931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1891 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 15:58:21,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28452 states. [2024-11-08 15:58:21,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28452 to 18818. [2024-11-08 15:58:21,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18818 states, 18817 states have (on average 1.38289844289738) internal successors, (26022), 18817 states have internal predecessors, (26022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:21,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18818 states to 18818 states and 26022 transitions. [2024-11-08 15:58:21,509 INFO L78 Accepts]: Start accepts. Automaton has 18818 states and 26022 transitions. Word has length 84 [2024-11-08 15:58:21,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:21,509 INFO L471 AbstractCegarLoop]: Abstraction has 18818 states and 26022 transitions. [2024-11-08 15:58:21,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.333333333333334) internal successors, (84), 8 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) [2024-11-08 15:58:21,509 INFO L276 IsEmpty]: Start isEmpty. Operand 18818 states and 26022 transitions. [2024-11-08 15:58:21,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 15:58:21,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:21,518 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:21,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-08 15:58:21,518 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:21,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:21,519 INFO L85 PathProgramCache]: Analyzing trace with hash -852675660, now seen corresponding path program 1 times [2024-11-08 15:58:21,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:21,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261646751] [2024-11-08 15:58:21,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:21,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:21,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:21,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:21,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261646751] [2024-11-08 15:58:21,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261646751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:21,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:21,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:58:21,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21126987] [2024-11-08 15:58:21,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:21,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 15:58:21,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:21,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 15:58:21,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:58:21,872 INFO L87 Difference]: Start difference. First operand 18818 states and 26022 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:23,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:23,274 INFO L93 Difference]: Finished difference Result 40566 states and 56899 transitions. [2024-11-08 15:58:23,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 15:58:23,274 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-08 15:58:23,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:23,293 INFO L225 Difference]: With dead ends: 40566 [2024-11-08 15:58:23,293 INFO L226 Difference]: Without dead ends: 27982 [2024-11-08 15:58:23,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2024-11-08 15:58:23,301 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 2885 mSDsluCounter, 3477 mSDsCounter, 0 mSdLazyCounter, 2959 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2885 SdHoareTripleChecker+Valid, 4134 SdHoareTripleChecker+Invalid, 3030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 2959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:23,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2885 Valid, 4134 Invalid, 3030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 2959 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:58:23,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27982 states. [2024-11-08 15:58:23,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27982 to 18766. [2024-11-08 15:58:23,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18766 states, 18765 states have (on average 1.380335731414868) internal successors, (25902), 18765 states have internal predecessors, (25902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:23,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18766 states to 18766 states and 25902 transitions. [2024-11-08 15:58:23,521 INFO L78 Accepts]: Start accepts. Automaton has 18766 states and 25902 transitions. Word has length 85 [2024-11-08 15:58:23,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:23,521 INFO L471 AbstractCegarLoop]: Abstraction has 18766 states and 25902 transitions. [2024-11-08 15:58:23,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:23,521 INFO L276 IsEmpty]: Start isEmpty. Operand 18766 states and 25902 transitions. [2024-11-08 15:58:23,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 15:58:23,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:23,529 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:23,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-08 15:58:23,530 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:23,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:23,530 INFO L85 PathProgramCache]: Analyzing trace with hash 816387227, now seen corresponding path program 1 times [2024-11-08 15:58:23,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:23,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516356084] [2024-11-08 15:58:23,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:23,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:24,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:24,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:24,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516356084] [2024-11-08 15:58:24,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516356084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:24,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:24,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 15:58:24,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489630011] [2024-11-08 15:58:24,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:24,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 15:58:24,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:24,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 15:58:24,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:58:24,055 INFO L87 Difference]: Start difference. First operand 18766 states and 25902 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:25,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:25,428 INFO L93 Difference]: Finished difference Result 60826 states and 86331 transitions. [2024-11-08 15:58:25,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 15:58:25,429 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-08 15:58:25,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:25,479 INFO L225 Difference]: With dead ends: 60826 [2024-11-08 15:58:25,479 INFO L226 Difference]: Without dead ends: 49954 [2024-11-08 15:58:25,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-08 15:58:25,500 INFO L432 NwaCegarLoop]: 900 mSDtfsCounter, 7072 mSDsluCounter, 4077 mSDsCounter, 0 mSdLazyCounter, 1769 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7072 SdHoareTripleChecker+Valid, 4977 SdHoareTripleChecker+Invalid, 1816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:25,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7072 Valid, 4977 Invalid, 1816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1769 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 15:58:25,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49954 states. [2024-11-08 15:58:25,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49954 to 18750. [2024-11-08 15:58:25,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18750 states, 18749 states have (on average 1.3798069230358951) internal successors, (25870), 18749 states have internal predecessors, (25870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:25,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18750 states to 18750 states and 25870 transitions. [2024-11-08 15:58:25,789 INFO L78 Accepts]: Start accepts. Automaton has 18750 states and 25870 transitions. Word has length 85 [2024-11-08 15:58:25,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:25,789 INFO L471 AbstractCegarLoop]: Abstraction has 18750 states and 25870 transitions. [2024-11-08 15:58:25,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:25,789 INFO L276 IsEmpty]: Start isEmpty. Operand 18750 states and 25870 transitions. [2024-11-08 15:58:25,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 15:58:25,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:25,798 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:25,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-08 15:58:25,798 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:25,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:25,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1989561039, now seen corresponding path program 1 times [2024-11-08 15:58:25,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:25,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36267793] [2024-11-08 15:58:25,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:25,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:25,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:25,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:25,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36267793] [2024-11-08 15:58:25,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36267793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:25,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:25,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:58:25,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646860877] [2024-11-08 15:58:25,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:25,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:58:25,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:25,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:58:25,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:58:25,922 INFO L87 Difference]: Start difference. First operand 18750 states and 25870 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:26,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:26,595 INFO L93 Difference]: Finished difference Result 41184 states and 57941 transitions. [2024-11-08 15:58:26,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:58:26,595 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-08 15:58:26,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:26,626 INFO L225 Difference]: With dead ends: 41184 [2024-11-08 15:58:26,627 INFO L226 Difference]: Without dead ends: 33892 [2024-11-08 15:58:26,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:58:26,640 INFO L432 NwaCegarLoop]: 598 mSDtfsCounter, 4572 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4572 SdHoareTripleChecker+Valid, 1621 SdHoareTripleChecker+Invalid, 1407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:26,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4572 Valid, 1621 Invalid, 1407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 15:58:26,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33892 states. [2024-11-08 15:58:26,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33892 to 18945. [2024-11-08 15:58:26,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18945 states, 18944 states have (on average 1.3795924831081081) internal successors, (26135), 18944 states have internal predecessors, (26135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:26,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18945 states to 18945 states and 26135 transitions. [2024-11-08 15:58:26,952 INFO L78 Accepts]: Start accepts. Automaton has 18945 states and 26135 transitions. Word has length 85 [2024-11-08 15:58:26,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:26,952 INFO L471 AbstractCegarLoop]: Abstraction has 18945 states and 26135 transitions. [2024-11-08 15:58:26,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:26,952 INFO L276 IsEmpty]: Start isEmpty. Operand 18945 states and 26135 transitions. [2024-11-08 15:58:26,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 15:58:26,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:26,960 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:26,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-08 15:58:26,960 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:26,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:26,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1428621699, now seen corresponding path program 1 times [2024-11-08 15:58:26,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:26,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189676079] [2024-11-08 15:58:26,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:26,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:27,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:27,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189676079] [2024-11-08 15:58:27,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189676079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:27,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:27,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 15:58:27,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624323321] [2024-11-08 15:58:27,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:27,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 15:58:27,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:27,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 15:58:27,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:58:27,371 INFO L87 Difference]: Start difference. First operand 18945 states and 26135 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:27,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:27,930 INFO L93 Difference]: Finished difference Result 43967 states and 61979 transitions. [2024-11-08 15:58:27,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 15:58:27,931 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-11-08 15:58:27,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:27,962 INFO L225 Difference]: With dead ends: 43967 [2024-11-08 15:58:27,962 INFO L226 Difference]: Without dead ends: 32201 [2024-11-08 15:58:27,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2024-11-08 15:58:27,977 INFO L432 NwaCegarLoop]: 945 mSDtfsCounter, 6528 mSDsluCounter, 4037 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6528 SdHoareTripleChecker+Valid, 4982 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:27,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6528 Valid, 4982 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 15:58:27,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32201 states. [2024-11-08 15:58:28,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32201 to 18023. [2024-11-08 15:58:28,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18023 states, 18022 states have (on average 1.3820330706913773) internal successors, (24907), 18022 states have internal predecessors, (24907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:28,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18023 states to 18023 states and 24907 transitions. [2024-11-08 15:58:28,196 INFO L78 Accepts]: Start accepts. Automaton has 18023 states and 24907 transitions. Word has length 85 [2024-11-08 15:58:28,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:28,196 INFO L471 AbstractCegarLoop]: Abstraction has 18023 states and 24907 transitions. [2024-11-08 15:58:28,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:28,196 INFO L276 IsEmpty]: Start isEmpty. Operand 18023 states and 24907 transitions. [2024-11-08 15:58:28,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 15:58:28,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:28,204 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:28,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-08 15:58:28,204 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:28,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:28,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1725511226, now seen corresponding path program 1 times [2024-11-08 15:58:28,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:28,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268226041] [2024-11-08 15:58:28,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:28,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:28,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:28,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:28,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268226041] [2024-11-08 15:58:28,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268226041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:28,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:28,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:58:28,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719908131] [2024-11-08 15:58:28,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:28,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:58:28,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:28,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:58:28,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:58:28,310 INFO L87 Difference]: Start difference. First operand 18023 states and 24907 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:28,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:28,954 INFO L93 Difference]: Finished difference Result 47627 states and 67470 transitions. [2024-11-08 15:58:28,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 15:58:28,955 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-08 15:58:28,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:28,995 INFO L225 Difference]: With dead ends: 47627 [2024-11-08 15:58:28,995 INFO L226 Difference]: Without dead ends: 40025 [2024-11-08 15:58:29,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:58:29,013 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 4370 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4370 SdHoareTripleChecker+Valid, 1562 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:29,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4370 Valid, 1562 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 15:58:29,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40025 states. [2024-11-08 15:58:29,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40025 to 18098. [2024-11-08 15:58:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18098 states, 18097 states have (on average 1.3818312427474166) internal successors, (25007), 18097 states have internal predecessors, (25007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:29,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18098 states to 18098 states and 25007 transitions. [2024-11-08 15:58:29,372 INFO L78 Accepts]: Start accepts. Automaton has 18098 states and 25007 transitions. Word has length 86 [2024-11-08 15:58:29,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:29,372 INFO L471 AbstractCegarLoop]: Abstraction has 18098 states and 25007 transitions. [2024-11-08 15:58:29,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:29,373 INFO L276 IsEmpty]: Start isEmpty. Operand 18098 states and 25007 transitions. [2024-11-08 15:58:29,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 15:58:29,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:29,381 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:29,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-08 15:58:29,381 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:29,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:29,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1817894882, now seen corresponding path program 1 times [2024-11-08 15:58:29,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:29,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307273995] [2024-11-08 15:58:29,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:29,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:29,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:29,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:29,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307273995] [2024-11-08 15:58:29,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307273995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:29,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:29,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:58:29,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017618408] [2024-11-08 15:58:29,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:29,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 15:58:29,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:29,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 15:58:29,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-08 15:58:29,644 INFO L87 Difference]: Start difference. First operand 18098 states and 25007 transitions. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:30,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:30,631 INFO L93 Difference]: Finished difference Result 43743 states and 61598 transitions. [2024-11-08 15:58:30,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 15:58:30,632 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-08 15:58:30,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:30,661 INFO L225 Difference]: With dead ends: 43743 [2024-11-08 15:58:30,661 INFO L226 Difference]: Without dead ends: 31839 [2024-11-08 15:58:30,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=282, Unknown=0, NotChecked=0, Total=380 [2024-11-08 15:58:30,675 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 4456 mSDsluCounter, 2615 mSDsCounter, 0 mSdLazyCounter, 2103 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4456 SdHoareTripleChecker+Valid, 3230 SdHoareTripleChecker+Invalid, 2133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:30,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4456 Valid, 3230 Invalid, 2133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2103 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 15:58:30,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31839 states. [2024-11-08 15:58:30,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31839 to 17559. [2024-11-08 15:58:30,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17559 states, 17558 states have (on average 1.3824467479211755) internal successors, (24273), 17558 states have internal predecessors, (24273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:30,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17559 states to 17559 states and 24273 transitions. [2024-11-08 15:58:30,898 INFO L78 Accepts]: Start accepts. Automaton has 17559 states and 24273 transitions. Word has length 86 [2024-11-08 15:58:30,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:30,898 INFO L471 AbstractCegarLoop]: Abstraction has 17559 states and 24273 transitions. [2024-11-08 15:58:30,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:30,899 INFO L276 IsEmpty]: Start isEmpty. Operand 17559 states and 24273 transitions. [2024-11-08 15:58:30,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-08 15:58:30,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:30,906 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:30,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-08 15:58:30,906 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:30,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:30,907 INFO L85 PathProgramCache]: Analyzing trace with hash 616570297, now seen corresponding path program 1 times [2024-11-08 15:58:30,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:30,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015197681] [2024-11-08 15:58:30,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:30,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:31,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:31,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:31,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015197681] [2024-11-08 15:58:31,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015197681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:31,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:31,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 15:58:31,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971989446] [2024-11-08 15:58:31,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:31,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:58:31,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:31,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:58:31,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:58:31,108 INFO L87 Difference]: Start difference. First operand 17559 states and 24273 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:31,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:31,876 INFO L93 Difference]: Finished difference Result 37380 states and 52789 transitions. [2024-11-08 15:58:31,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:58:31,876 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-11-08 15:58:31,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:31,907 INFO L225 Difference]: With dead ends: 37380 [2024-11-08 15:58:31,907 INFO L226 Difference]: Without dead ends: 26358 [2024-11-08 15:58:31,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-08 15:58:31,923 INFO L432 NwaCegarLoop]: 664 mSDtfsCounter, 4836 mSDsluCounter, 1933 mSDsCounter, 0 mSdLazyCounter, 1761 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4836 SdHoareTripleChecker+Valid, 2597 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:31,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4836 Valid, 2597 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1761 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 15:58:31,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26358 states. [2024-11-08 15:58:32,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26358 to 17476. [2024-11-08 15:58:32,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17476 states, 17475 states have (on average 1.3820886981402003) internal successors, (24152), 17475 states have internal predecessors, (24152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:32,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17476 states to 17476 states and 24152 transitions. [2024-11-08 15:58:32,159 INFO L78 Accepts]: Start accepts. Automaton has 17476 states and 24152 transitions. Word has length 86 [2024-11-08 15:58:32,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:32,159 INFO L471 AbstractCegarLoop]: Abstraction has 17476 states and 24152 transitions. [2024-11-08 15:58:32,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:32,160 INFO L276 IsEmpty]: Start isEmpty. Operand 17476 states and 24152 transitions. [2024-11-08 15:58:32,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 15:58:32,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:32,168 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:32,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-08 15:58:32,168 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:32,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:32,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1650309417, now seen corresponding path program 1 times [2024-11-08 15:58:32,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:32,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764600873] [2024-11-08 15:58:32,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:32,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:32,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:32,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:32,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764600873] [2024-11-08 15:58:32,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764600873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:32,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:32,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:58:32,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595709355] [2024-11-08 15:58:32,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:32,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:58:32,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:32,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:58:32,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:58:32,747 INFO L87 Difference]: Start difference. First operand 17476 states and 24152 transitions. Second operand has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:33,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:33,811 INFO L93 Difference]: Finished difference Result 33718 states and 47465 transitions. [2024-11-08 15:58:33,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:58:33,811 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-08 15:58:33,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:33,844 INFO L225 Difference]: With dead ends: 33718 [2024-11-08 15:58:33,844 INFO L226 Difference]: Without dead ends: 28859 [2024-11-08 15:58:33,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-11-08 15:58:33,858 INFO L432 NwaCegarLoop]: 796 mSDtfsCounter, 4479 mSDsluCounter, 4303 mSDsCounter, 0 mSdLazyCounter, 1518 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4479 SdHoareTripleChecker+Valid, 5099 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:33,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4479 Valid, 5099 Invalid, 1523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1518 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 15:58:33,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28859 states. [2024-11-08 15:58:34,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28859 to 17476. [2024-11-08 15:58:34,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17476 states, 17475 states have (on average 1.3820314735336194) internal successors, (24151), 17475 states have internal predecessors, (24151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:34,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17476 states to 17476 states and 24151 transitions. [2024-11-08 15:58:34,142 INFO L78 Accepts]: Start accepts. Automaton has 17476 states and 24151 transitions. Word has length 87 [2024-11-08 15:58:34,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:34,142 INFO L471 AbstractCegarLoop]: Abstraction has 17476 states and 24151 transitions. [2024-11-08 15:58:34,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:34,142 INFO L276 IsEmpty]: Start isEmpty. Operand 17476 states and 24151 transitions. [2024-11-08 15:58:34,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 15:58:34,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:34,150 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:34,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-08 15:58:34,150 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:34,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:34,151 INFO L85 PathProgramCache]: Analyzing trace with hash 369731871, now seen corresponding path program 1 times [2024-11-08 15:58:34,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:34,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956601788] [2024-11-08 15:58:34,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:34,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:34,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:34,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:34,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956601788] [2024-11-08 15:58:34,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956601788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:34,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:34,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 15:58:34,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416607297] [2024-11-08 15:58:34,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:34,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 15:58:34,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:34,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 15:58:34,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:58:34,578 INFO L87 Difference]: Start difference. First operand 17476 states and 24151 transitions. Second operand has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:35,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:35,145 INFO L93 Difference]: Finished difference Result 42450 states and 59911 transitions. [2024-11-08 15:58:35,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 15:58:35,146 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-11-08 15:58:35,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:35,179 INFO L225 Difference]: With dead ends: 42450 [2024-11-08 15:58:35,179 INFO L226 Difference]: Without dead ends: 31338 [2024-11-08 15:58:35,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2024-11-08 15:58:35,193 INFO L432 NwaCegarLoop]: 876 mSDtfsCounter, 5290 mSDsluCounter, 3565 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5290 SdHoareTripleChecker+Valid, 4441 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:35,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5290 Valid, 4441 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 15:58:35,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31338 states. [2024-11-08 15:58:35,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31338 to 17220. [2024-11-08 15:58:35,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17220 states, 17219 states have (on average 1.3814971833439804) internal successors, (23788), 17219 states have internal predecessors, (23788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:35,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17220 states to 17220 states and 23788 transitions. [2024-11-08 15:58:35,426 INFO L78 Accepts]: Start accepts. Automaton has 17220 states and 23788 transitions. Word has length 87 [2024-11-08 15:58:35,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:35,426 INFO L471 AbstractCegarLoop]: Abstraction has 17220 states and 23788 transitions. [2024-11-08 15:58:35,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 13 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:35,426 INFO L276 IsEmpty]: Start isEmpty. Operand 17220 states and 23788 transitions. [2024-11-08 15:58:35,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 15:58:35,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:35,434 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:35,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-08 15:58:35,434 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:35,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:35,435 INFO L85 PathProgramCache]: Analyzing trace with hash 647355719, now seen corresponding path program 1 times [2024-11-08 15:58:35,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:35,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532677509] [2024-11-08 15:58:35,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:35,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:35,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:35,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:35,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532677509] [2024-11-08 15:58:35,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532677509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:35,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:35,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 15:58:35,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965339965] [2024-11-08 15:58:35,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:35,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:58:35,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:35,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:58:35,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:58:35,613 INFO L87 Difference]: Start difference. First operand 17220 states and 23788 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:36,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:36,287 INFO L93 Difference]: Finished difference Result 37564 states and 52930 transitions. [2024-11-08 15:58:36,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 15:58:36,288 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-11-08 15:58:36,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:36,312 INFO L225 Difference]: With dead ends: 37564 [2024-11-08 15:58:36,313 INFO L226 Difference]: Without dead ends: 26384 [2024-11-08 15:58:36,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-08 15:58:36,326 INFO L432 NwaCegarLoop]: 584 mSDtfsCounter, 3450 mSDsluCounter, 1662 mSDsCounter, 0 mSdLazyCounter, 1583 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3450 SdHoareTripleChecker+Valid, 2246 SdHoareTripleChecker+Invalid, 1624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:36,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3450 Valid, 2246 Invalid, 1624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1583 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 15:58:36,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26384 states. [2024-11-08 15:58:36,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26384 to 17368. [2024-11-08 15:58:36,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17368 states, 17367 states have (on average 1.3800886739218057) internal successors, (23968), 17367 states have internal predecessors, (23968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:36,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17368 states to 17368 states and 23968 transitions. [2024-11-08 15:58:36,616 INFO L78 Accepts]: Start accepts. Automaton has 17368 states and 23968 transitions. Word has length 88 [2024-11-08 15:58:36,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:36,616 INFO L471 AbstractCegarLoop]: Abstraction has 17368 states and 23968 transitions. [2024-11-08 15:58:36,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:36,616 INFO L276 IsEmpty]: Start isEmpty. Operand 17368 states and 23968 transitions. [2024-11-08 15:58:36,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 15:58:36,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:36,625 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:36,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-08 15:58:36,625 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:36,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:36,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1030671711, now seen corresponding path program 1 times [2024-11-08 15:58:36,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:36,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233292739] [2024-11-08 15:58:36,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:36,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:36,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:36,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:36,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233292739] [2024-11-08 15:58:36,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233292739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:36,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:36,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 15:58:36,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714355031] [2024-11-08 15:58:36,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:36,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:58:36,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:36,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:58:36,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:58:36,845 INFO L87 Difference]: Start difference. First operand 17368 states and 23968 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:37,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:37,603 INFO L93 Difference]: Finished difference Result 36590 states and 51651 transitions. [2024-11-08 15:58:37,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:58:37,604 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-11-08 15:58:37,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:37,628 INFO L225 Difference]: With dead ends: 36590 [2024-11-08 15:58:37,628 INFO L226 Difference]: Without dead ends: 25710 [2024-11-08 15:58:37,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-08 15:58:37,639 INFO L432 NwaCegarLoop]: 587 mSDtfsCounter, 4062 mSDsluCounter, 1957 mSDsCounter, 0 mSdLazyCounter, 1841 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4062 SdHoareTripleChecker+Valid, 2544 SdHoareTripleChecker+Invalid, 1872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:37,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4062 Valid, 2544 Invalid, 1872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1841 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 15:58:37,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25710 states. [2024-11-08 15:58:37,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25710 to 17356. [2024-11-08 15:58:37,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17356 states, 17355 states have (on average 1.3796600403341976) internal successors, (23944), 17355 states have internal predecessors, (23944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:37,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17356 states to 17356 states and 23944 transitions. [2024-11-08 15:58:37,843 INFO L78 Accepts]: Start accepts. Automaton has 17356 states and 23944 transitions. Word has length 88 [2024-11-08 15:58:37,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:37,843 INFO L471 AbstractCegarLoop]: Abstraction has 17356 states and 23944 transitions. [2024-11-08 15:58:37,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:37,843 INFO L276 IsEmpty]: Start isEmpty. Operand 17356 states and 23944 transitions. [2024-11-08 15:58:37,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 15:58:37,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:37,853 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:37,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-08 15:58:37,853 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:37,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:37,853 INFO L85 PathProgramCache]: Analyzing trace with hash -547655422, now seen corresponding path program 1 times [2024-11-08 15:58:37,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:37,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404103766] [2024-11-08 15:58:37,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:37,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:37,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:37,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404103766] [2024-11-08 15:58:37,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404103766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:37,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:37,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:58:37,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623942281] [2024-11-08 15:58:37,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:37,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:58:37,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:37,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:58:37,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:37,907 INFO L87 Difference]: Start difference. First operand 17356 states and 23944 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:37,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:37,972 INFO L93 Difference]: Finished difference Result 25763 states and 35900 transitions. [2024-11-08 15:58:37,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:58:37,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-11-08 15:58:37,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:37,988 INFO L225 Difference]: With dead ends: 25763 [2024-11-08 15:58:37,988 INFO L226 Difference]: Without dead ends: 17358 [2024-11-08 15:58:37,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:37,997 INFO L432 NwaCegarLoop]: 1201 mSDtfsCounter, 553 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 2095 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:37,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 2095 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:58:38,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17358 states. [2024-11-08 15:58:38,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17358 to 17356. [2024-11-08 15:58:38,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17356 states, 17355 states have (on average 1.3704984154422357) internal successors, (23785), 17355 states have internal predecessors, (23785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:38,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17356 states to 17356 states and 23785 transitions. [2024-11-08 15:58:38,156 INFO L78 Accepts]: Start accepts. Automaton has 17356 states and 23785 transitions. Word has length 88 [2024-11-08 15:58:38,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:38,156 INFO L471 AbstractCegarLoop]: Abstraction has 17356 states and 23785 transitions. [2024-11-08 15:58:38,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:38,156 INFO L276 IsEmpty]: Start isEmpty. Operand 17356 states and 23785 transitions. [2024-11-08 15:58:38,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 15:58:38,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:38,165 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:38,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-08 15:58:38,166 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:38,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:38,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1642445598, now seen corresponding path program 1 times [2024-11-08 15:58:38,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:38,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021852492] [2024-11-08 15:58:38,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:38,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:38,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:38,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:38,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021852492] [2024-11-08 15:58:38,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021852492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:38,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:38,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:58:38,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873260895] [2024-11-08 15:58:38,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:38,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:58:38,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:38,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:58:38,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:38,215 INFO L87 Difference]: Start difference. First operand 17356 states and 23785 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:38,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:38,303 INFO L93 Difference]: Finished difference Result 30955 states and 42908 transitions. [2024-11-08 15:58:38,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:58:38,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-08 15:58:38,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:38,324 INFO L225 Difference]: With dead ends: 30955 [2024-11-08 15:58:38,324 INFO L226 Difference]: Without dead ends: 21065 [2024-11-08 15:58:38,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:38,338 INFO L432 NwaCegarLoop]: 996 mSDtfsCounter, 869 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:38,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 1274 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:58:38,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21065 states. [2024-11-08 15:58:38,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21065 to 16077. [2024-11-08 15:58:38,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16077 states, 16076 states have (on average 1.377519283403832) internal successors, (22145), 16076 states have internal predecessors, (22145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:38,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16077 states to 16077 states and 22145 transitions. [2024-11-08 15:58:38,521 INFO L78 Accepts]: Start accepts. Automaton has 16077 states and 22145 transitions. Word has length 89 [2024-11-08 15:58:38,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:38,521 INFO L471 AbstractCegarLoop]: Abstraction has 16077 states and 22145 transitions. [2024-11-08 15:58:38,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:38,521 INFO L276 IsEmpty]: Start isEmpty. Operand 16077 states and 22145 transitions. [2024-11-08 15:58:38,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 15:58:38,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:38,530 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:38,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-08 15:58:38,530 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:38,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:38,530 INFO L85 PathProgramCache]: Analyzing trace with hash -202068174, now seen corresponding path program 1 times [2024-11-08 15:58:38,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:38,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887923655] [2024-11-08 15:58:38,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:38,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:38,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:38,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:38,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887923655] [2024-11-08 15:58:38,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887923655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:38,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:38,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:58:38,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144349234] [2024-11-08 15:58:38,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:38,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:58:38,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:38,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:58:38,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:38,590 INFO L87 Difference]: Start difference. First operand 16077 states and 22145 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:38,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:38,662 INFO L93 Difference]: Finished difference Result 23696 states and 32973 transitions. [2024-11-08 15:58:38,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:58:38,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-08 15:58:38,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:38,677 INFO L225 Difference]: With dead ends: 23696 [2024-11-08 15:58:38,677 INFO L226 Difference]: Without dead ends: 16079 [2024-11-08 15:58:38,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:38,684 INFO L432 NwaCegarLoop]: 1137 mSDtfsCounter, 431 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1814 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:38,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1814 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:58:38,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16079 states. [2024-11-08 15:58:38,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16079 to 16077. [2024-11-08 15:58:38,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16077 states, 16076 states have (on average 1.3666956954466285) internal successors, (21971), 16076 states have internal predecessors, (21971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:38,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16077 states to 16077 states and 21971 transitions. [2024-11-08 15:58:38,827 INFO L78 Accepts]: Start accepts. Automaton has 16077 states and 21971 transitions. Word has length 89 [2024-11-08 15:58:38,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:38,827 INFO L471 AbstractCegarLoop]: Abstraction has 16077 states and 21971 transitions. [2024-11-08 15:58:38,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:38,827 INFO L276 IsEmpty]: Start isEmpty. Operand 16077 states and 21971 transitions. [2024-11-08 15:58:38,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 15:58:38,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:38,837 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:38,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-08 15:58:38,837 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:38,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:38,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1230494138, now seen corresponding path program 1 times [2024-11-08 15:58:38,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:38,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943974412] [2024-11-08 15:58:38,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:38,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:38,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:38,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:38,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943974412] [2024-11-08 15:58:38,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943974412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:38,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:38,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:58:38,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817491369] [2024-11-08 15:58:38,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:38,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:58:38,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:38,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:58:38,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:38,899 INFO L87 Difference]: Start difference. First operand 16077 states and 21971 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:38,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:38,983 INFO L93 Difference]: Finished difference Result 23458 states and 32374 transitions. [2024-11-08 15:58:38,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:58:38,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-08 15:58:38,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:38,997 INFO L225 Difference]: With dead ends: 23458 [2024-11-08 15:58:38,997 INFO L226 Difference]: Without dead ends: 16079 [2024-11-08 15:58:39,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:39,005 INFO L432 NwaCegarLoop]: 1092 mSDtfsCounter, 435 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 1836 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:39,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 1836 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:58:39,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16079 states. [2024-11-08 15:58:39,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16079 to 16077. [2024-11-08 15:58:39,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16077 states, 16076 states have (on average 1.3517666086091067) internal successors, (21731), 16076 states have internal predecessors, (21731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:39,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16077 states to 16077 states and 21731 transitions. [2024-11-08 15:58:39,145 INFO L78 Accepts]: Start accepts. Automaton has 16077 states and 21731 transitions. Word has length 89 [2024-11-08 15:58:39,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:39,145 INFO L471 AbstractCegarLoop]: Abstraction has 16077 states and 21731 transitions. [2024-11-08 15:58:39,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:39,146 INFO L276 IsEmpty]: Start isEmpty. Operand 16077 states and 21731 transitions. [2024-11-08 15:58:39,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 15:58:39,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:39,153 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:39,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-08 15:58:39,153 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:39,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:39,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1599492757, now seen corresponding path program 1 times [2024-11-08 15:58:39,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:39,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721884397] [2024-11-08 15:58:39,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:39,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:39,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:39,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:39,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721884397] [2024-11-08 15:58:39,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721884397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:39,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:39,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:58:39,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222897581] [2024-11-08 15:58:39,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:39,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:58:39,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:39,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:58:39,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:39,203 INFO L87 Difference]: Start difference. First operand 16077 states and 21731 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:39,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:39,388 INFO L93 Difference]: Finished difference Result 28324 states and 38704 transitions. [2024-11-08 15:58:39,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:58:39,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-08 15:58:39,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:39,403 INFO L225 Difference]: With dead ends: 28324 [2024-11-08 15:58:39,403 INFO L226 Difference]: Without dead ends: 19146 [2024-11-08 15:58:39,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:39,409 INFO L432 NwaCegarLoop]: 724 mSDtfsCounter, 753 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:39,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 900 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:58:39,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19146 states. [2024-11-08 15:58:39,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19146 to 15062. [2024-11-08 15:58:39,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15062 states, 15061 states have (on average 1.3580771529114932) internal successors, (20454), 15061 states have internal predecessors, (20454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:39,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15062 states to 15062 states and 20454 transitions. [2024-11-08 15:58:39,541 INFO L78 Accepts]: Start accepts. Automaton has 15062 states and 20454 transitions. Word has length 89 [2024-11-08 15:58:39,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:39,542 INFO L471 AbstractCegarLoop]: Abstraction has 15062 states and 20454 transitions. [2024-11-08 15:58:39,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:39,542 INFO L276 IsEmpty]: Start isEmpty. Operand 15062 states and 20454 transitions. [2024-11-08 15:58:39,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 15:58:39,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:39,548 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:39,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-08 15:58:39,549 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:39,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:39,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1397188038, now seen corresponding path program 1 times [2024-11-08 15:58:39,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:39,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595894685] [2024-11-08 15:58:39,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:39,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:39,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:39,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:39,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595894685] [2024-11-08 15:58:39,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595894685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:39,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:39,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:58:39,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927698722] [2024-11-08 15:58:39,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:39,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:58:39,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:39,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:58:39,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:39,610 INFO L87 Difference]: Start difference. First operand 15062 states and 20454 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:39,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:39,715 INFO L93 Difference]: Finished difference Result 26713 states and 36686 transitions. [2024-11-08 15:58:39,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:58:39,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2024-11-08 15:58:39,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:39,732 INFO L225 Difference]: With dead ends: 26713 [2024-11-08 15:58:39,732 INFO L226 Difference]: Without dead ends: 18073 [2024-11-08 15:58:39,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:39,741 INFO L432 NwaCegarLoop]: 636 mSDtfsCounter, 615 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:39,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 834 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:58:39,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18073 states. [2024-11-08 15:58:39,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18073 to 13953. [2024-11-08 15:58:39,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13953 states, 13952 states have (on average 1.3615252293577982) internal successors, (18996), 13952 states have internal predecessors, (18996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:39,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13953 states to 13953 states and 18996 transitions. [2024-11-08 15:58:39,866 INFO L78 Accepts]: Start accepts. Automaton has 13953 states and 18996 transitions. Word has length 89 [2024-11-08 15:58:39,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:39,866 INFO L471 AbstractCegarLoop]: Abstraction has 13953 states and 18996 transitions. [2024-11-08 15:58:39,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:39,866 INFO L276 IsEmpty]: Start isEmpty. Operand 13953 states and 18996 transitions. [2024-11-08 15:58:39,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 15:58:39,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:39,872 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:39,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-08 15:58:39,873 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:39,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:39,873 INFO L85 PathProgramCache]: Analyzing trace with hash 999203641, now seen corresponding path program 1 times [2024-11-08 15:58:39,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:39,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244887914] [2024-11-08 15:58:39,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:39,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:40,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:40,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:40,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244887914] [2024-11-08 15:58:40,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244887914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:40,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:40,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 15:58:40,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360819420] [2024-11-08 15:58:40,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:40,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:58:40,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:40,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:58:40,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:58:40,202 INFO L87 Difference]: Start difference. First operand 13953 states and 18996 transitions. Second operand has 12 states, 12 states have (on average 7.5) internal successors, (90), 11 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:41,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:41,309 INFO L93 Difference]: Finished difference Result 49702 states and 68544 transitions. [2024-11-08 15:58:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-08 15:58:41,309 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.5) internal successors, (90), 11 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-08 15:58:41,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:41,360 INFO L225 Difference]: With dead ends: 49702 [2024-11-08 15:58:41,360 INFO L226 Difference]: Without dead ends: 48381 [2024-11-08 15:58:41,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=273, Invalid=719, Unknown=0, NotChecked=0, Total=992 [2024-11-08 15:58:41,379 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 6007 mSDsluCounter, 1883 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6007 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 1760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:41,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6007 Valid, 2392 Invalid, 1760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 15:58:41,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48381 states. [2024-11-08 15:58:41,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48381 to 13977. [2024-11-08 15:58:41,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13977 states, 13976 states have (on average 1.3609044075558099) internal successors, (19020), 13976 states have internal predecessors, (19020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:41,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13977 states to 13977 states and 19020 transitions. [2024-11-08 15:58:41,667 INFO L78 Accepts]: Start accepts. Automaton has 13977 states and 19020 transitions. Word has length 90 [2024-11-08 15:58:41,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:41,667 INFO L471 AbstractCegarLoop]: Abstraction has 13977 states and 19020 transitions. [2024-11-08 15:58:41,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.5) internal successors, (90), 11 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:41,667 INFO L276 IsEmpty]: Start isEmpty. Operand 13977 states and 19020 transitions. [2024-11-08 15:58:41,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 15:58:41,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:41,674 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:41,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-08 15:58:41,674 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:41,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:41,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1748952460, now seen corresponding path program 1 times [2024-11-08 15:58:41,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:41,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443254329] [2024-11-08 15:58:41,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:41,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:41,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:41,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:41,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443254329] [2024-11-08 15:58:41,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443254329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:41,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:41,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 15:58:41,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495553896] [2024-11-08 15:58:41,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:41,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:58:41,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:41,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:58:41,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:58:41,873 INFO L87 Difference]: Start difference. First operand 13977 states and 19020 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:42,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:42,407 INFO L93 Difference]: Finished difference Result 22852 states and 31407 transitions. [2024-11-08 15:58:42,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 15:58:42,407 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-08 15:58:42,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:42,427 INFO L225 Difference]: With dead ends: 22852 [2024-11-08 15:58:42,427 INFO L226 Difference]: Without dead ends: 21614 [2024-11-08 15:58:42,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-08 15:58:42,433 INFO L432 NwaCegarLoop]: 442 mSDtfsCounter, 3499 mSDsluCounter, 1306 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3499 SdHoareTripleChecker+Valid, 1748 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:42,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3499 Valid, 1748 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1186 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 15:58:42,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21614 states. [2024-11-08 15:58:42,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21614 to 13968. [2024-11-08 15:58:42,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13968 states, 13967 states have (on average 1.3607789790219804) internal successors, (19006), 13967 states have internal predecessors, (19006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:42,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13968 states to 13968 states and 19006 transitions. [2024-11-08 15:58:42,594 INFO L78 Accepts]: Start accepts. Automaton has 13968 states and 19006 transitions. Word has length 90 [2024-11-08 15:58:42,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:42,594 INFO L471 AbstractCegarLoop]: Abstraction has 13968 states and 19006 transitions. [2024-11-08 15:58:42,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:42,595 INFO L276 IsEmpty]: Start isEmpty. Operand 13968 states and 19006 transitions. [2024-11-08 15:58:42,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 15:58:42,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:42,601 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:42,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-08 15:58:42,601 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:42,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:42,602 INFO L85 PathProgramCache]: Analyzing trace with hash 510233357, now seen corresponding path program 1 times [2024-11-08 15:58:42,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:42,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340542589] [2024-11-08 15:58:42,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:42,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:43,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:43,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:43,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340542589] [2024-11-08 15:58:43,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340542589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:43,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:43,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 15:58:43,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689549565] [2024-11-08 15:58:43,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:43,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 15:58:43,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:43,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 15:58:43,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:58:43,056 INFO L87 Difference]: Start difference. First operand 13968 states and 19006 transitions. Second operand has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:43,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:43,707 INFO L93 Difference]: Finished difference Result 40694 states and 56401 transitions. [2024-11-08 15:58:43,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 15:58:43,708 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-08 15:58:43,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:43,745 INFO L225 Difference]: With dead ends: 40694 [2024-11-08 15:58:43,746 INFO L226 Difference]: Without dead ends: 39796 [2024-11-08 15:58:43,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-08 15:58:43,759 INFO L432 NwaCegarLoop]: 588 mSDtfsCounter, 5009 mSDsluCounter, 2761 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5009 SdHoareTripleChecker+Valid, 3349 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:43,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5009 Valid, 3349 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 15:58:43,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39796 states. [2024-11-08 15:58:43,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39796 to 13870. [2024-11-08 15:58:43,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13870 states, 13869 states have (on average 1.3614536015574303) internal successors, (18882), 13869 states have internal predecessors, (18882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:43,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13870 states to 13870 states and 18882 transitions. [2024-11-08 15:58:43,965 INFO L78 Accepts]: Start accepts. Automaton has 13870 states and 18882 transitions. Word has length 91 [2024-11-08 15:58:43,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:43,966 INFO L471 AbstractCegarLoop]: Abstraction has 13870 states and 18882 transitions. [2024-11-08 15:58:43,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:43,966 INFO L276 IsEmpty]: Start isEmpty. Operand 13870 states and 18882 transitions. [2024-11-08 15:58:43,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 15:58:43,972 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:43,972 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:43,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-08 15:58:43,972 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:43,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:43,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1089652458, now seen corresponding path program 1 times [2024-11-08 15:58:43,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:43,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638649079] [2024-11-08 15:58:43,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:43,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:44,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:44,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638649079] [2024-11-08 15:58:44,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638649079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:44,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:44,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 15:58:44,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087554950] [2024-11-08 15:58:44,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:44,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 15:58:44,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:44,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 15:58:44,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:58:44,391 INFO L87 Difference]: Start difference. First operand 13870 states and 18882 transitions. Second operand has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:45,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:45,078 INFO L93 Difference]: Finished difference Result 40124 states and 55595 transitions. [2024-11-08 15:58:45,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 15:58:45,079 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-08 15:58:45,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:45,116 INFO L225 Difference]: With dead ends: 40124 [2024-11-08 15:58:45,116 INFO L226 Difference]: Without dead ends: 39776 [2024-11-08 15:58:45,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-08 15:58:45,128 INFO L432 NwaCegarLoop]: 588 mSDtfsCounter, 5009 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5009 SdHoareTripleChecker+Valid, 3929 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:45,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5009 Valid, 3929 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 15:58:45,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39776 states. [2024-11-08 15:58:45,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39776 to 13850. [2024-11-08 15:58:45,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13850 states, 13849 states have (on average 1.3616145570077263) internal successors, (18857), 13849 states have internal predecessors, (18857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:45,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13850 states to 13850 states and 18857 transitions. [2024-11-08 15:58:45,325 INFO L78 Accepts]: Start accepts. Automaton has 13850 states and 18857 transitions. Word has length 91 [2024-11-08 15:58:45,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:45,325 INFO L471 AbstractCegarLoop]: Abstraction has 13850 states and 18857 transitions. [2024-11-08 15:58:45,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:45,325 INFO L276 IsEmpty]: Start isEmpty. Operand 13850 states and 18857 transitions. [2024-11-08 15:58:45,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 15:58:45,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:45,332 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:45,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-08 15:58:45,332 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:45,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:45,332 INFO L85 PathProgramCache]: Analyzing trace with hash 847258816, now seen corresponding path program 1 times [2024-11-08 15:58:45,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:45,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278291069] [2024-11-08 15:58:45,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:45,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:45,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:45,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:45,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278291069] [2024-11-08 15:58:45,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278291069] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:45,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:45,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 15:58:45,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280704408] [2024-11-08 15:58:45,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:45,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 15:58:45,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:45,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 15:58:45,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 15:58:45,662 INFO L87 Difference]: Start difference. First operand 13850 states and 18857 transitions. Second operand has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 12 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:46,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:46,097 INFO L93 Difference]: Finished difference Result 22631 states and 31118 transitions. [2024-11-08 15:58:46,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 15:58:46,098 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 12 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2024-11-08 15:58:46,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:46,118 INFO L225 Difference]: With dead ends: 22631 [2024-11-08 15:58:46,118 INFO L226 Difference]: Without dead ends: 21378 [2024-11-08 15:58:46,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-08 15:58:46,125 INFO L432 NwaCegarLoop]: 654 mSDtfsCounter, 3789 mSDsluCounter, 2325 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3789 SdHoareTripleChecker+Valid, 2979 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:46,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3789 Valid, 2979 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 15:58:46,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21378 states. [2024-11-08 15:58:46,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21378 to 13817. [2024-11-08 15:58:46,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13817 states, 13816 states have (on average 1.361537348002316) internal successors, (18811), 13816 states have internal predecessors, (18811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:46,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13817 states to 13817 states and 18811 transitions. [2024-11-08 15:58:46,330 INFO L78 Accepts]: Start accepts. Automaton has 13817 states and 18811 transitions. Word has length 91 [2024-11-08 15:58:46,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:46,330 INFO L471 AbstractCegarLoop]: Abstraction has 13817 states and 18811 transitions. [2024-11-08 15:58:46,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.583333333333333) internal successors, (91), 12 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:46,330 INFO L276 IsEmpty]: Start isEmpty. Operand 13817 states and 18811 transitions. [2024-11-08 15:58:46,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 15:58:46,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:46,337 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:46,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-08 15:58:46,337 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:46,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:46,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1928078392, now seen corresponding path program 1 times [2024-11-08 15:58:46,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:46,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873535844] [2024-11-08 15:58:46,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:46,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:46,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:46,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873535844] [2024-11-08 15:58:46,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873535844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:46,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:46,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:58:46,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761034720] [2024-11-08 15:58:46,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:46,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:58:46,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:46,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:58:46,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:46,390 INFO L87 Difference]: Start difference. First operand 13817 states and 18811 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:46,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:46,444 INFO L93 Difference]: Finished difference Result 21318 states and 29241 transitions. [2024-11-08 15:58:46,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:58:46,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-08 15:58:46,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:46,457 INFO L225 Difference]: With dead ends: 21318 [2024-11-08 15:58:46,457 INFO L226 Difference]: Without dead ends: 13819 [2024-11-08 15:58:46,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:46,463 INFO L432 NwaCegarLoop]: 838 mSDtfsCounter, 379 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:46,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 1442 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:58:46,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13819 states. [2024-11-08 15:58:46,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13819 to 13817. [2024-11-08 15:58:46,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13817 states, 13816 states have (on average 1.351766068326578) internal successors, (18676), 13816 states have internal predecessors, (18676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:46,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13817 states to 13817 states and 18676 transitions. [2024-11-08 15:58:46,572 INFO L78 Accepts]: Start accepts. Automaton has 13817 states and 18676 transitions. Word has length 95 [2024-11-08 15:58:46,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:46,572 INFO L471 AbstractCegarLoop]: Abstraction has 13817 states and 18676 transitions. [2024-11-08 15:58:46,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:46,572 INFO L276 IsEmpty]: Start isEmpty. Operand 13817 states and 18676 transitions. [2024-11-08 15:58:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 15:58:46,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:46,581 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:46,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-08 15:58:46,581 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:46,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:46,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1452876944, now seen corresponding path program 1 times [2024-11-08 15:58:46,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:46,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89995521] [2024-11-08 15:58:46,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:46,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:46,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:46,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:46,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89995521] [2024-11-08 15:58:46,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89995521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:46,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:46,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 15:58:46,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084814397] [2024-11-08 15:58:46,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:46,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:58:46,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:46,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:58:46,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:58:46,755 INFO L87 Difference]: Start difference. First operand 13817 states and 18676 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:47,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:47,293 INFO L93 Difference]: Finished difference Result 19596 states and 26543 transitions. [2024-11-08 15:58:47,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 15:58:47,293 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-08 15:58:47,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:47,309 INFO L225 Difference]: With dead ends: 19596 [2024-11-08 15:58:47,310 INFO L226 Difference]: Without dead ends: 18278 [2024-11-08 15:58:47,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-08 15:58:47,316 INFO L432 NwaCegarLoop]: 443 mSDtfsCounter, 2444 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2444 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:47,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2444 Valid, 1754 Invalid, 1199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1173 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 15:58:47,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18278 states. [2024-11-08 15:58:47,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18278 to 13741. [2024-11-08 15:58:47,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13741 states, 13740 states have (on average 1.3526200873362446) internal successors, (18585), 13740 states have internal predecessors, (18585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:47,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13741 states to 13741 states and 18585 transitions. [2024-11-08 15:58:47,462 INFO L78 Accepts]: Start accepts. Automaton has 13741 states and 18585 transitions. Word has length 95 [2024-11-08 15:58:47,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:47,462 INFO L471 AbstractCegarLoop]: Abstraction has 13741 states and 18585 transitions. [2024-11-08 15:58:47,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:47,463 INFO L276 IsEmpty]: Start isEmpty. Operand 13741 states and 18585 transitions. [2024-11-08 15:58:47,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 15:58:47,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:47,471 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:47,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-08 15:58:47,471 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:47,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:47,471 INFO L85 PathProgramCache]: Analyzing trace with hash 485330302, now seen corresponding path program 1 times [2024-11-08 15:58:47,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:47,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715708399] [2024-11-08 15:58:47,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:47,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:47,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:47,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:47,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715708399] [2024-11-08 15:58:47,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715708399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:47,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:47,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:58:47,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170018100] [2024-11-08 15:58:47,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:47,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:58:47,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:47,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:58:47,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:47,517 INFO L87 Difference]: Start difference. First operand 13741 states and 18585 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:47,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:47,598 INFO L93 Difference]: Finished difference Result 25067 states and 34273 transitions. [2024-11-08 15:58:47,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:58:47,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-08 15:58:47,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:47,611 INFO L225 Difference]: With dead ends: 25067 [2024-11-08 15:58:47,612 INFO L226 Difference]: Without dead ends: 16622 [2024-11-08 15:58:47,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:47,620 INFO L432 NwaCegarLoop]: 650 mSDtfsCounter, 576 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:47,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 876 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:58:47,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16622 states. [2024-11-08 15:58:47,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16622 to 12828. [2024-11-08 15:58:47,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12828 states, 12827 states have (on average 1.35682544632416) internal successors, (17404), 12827 states have internal predecessors, (17404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:47,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12828 states to 12828 states and 17404 transitions. [2024-11-08 15:58:47,735 INFO L78 Accepts]: Start accepts. Automaton has 12828 states and 17404 transitions. Word has length 96 [2024-11-08 15:58:47,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:47,735 INFO L471 AbstractCegarLoop]: Abstraction has 12828 states and 17404 transitions. [2024-11-08 15:58:47,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:47,735 INFO L276 IsEmpty]: Start isEmpty. Operand 12828 states and 17404 transitions. [2024-11-08 15:58:47,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 15:58:47,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:47,742 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:47,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-08 15:58:47,742 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:47,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:47,743 INFO L85 PathProgramCache]: Analyzing trace with hash -180584515, now seen corresponding path program 1 times [2024-11-08 15:58:47,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:47,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306557633] [2024-11-08 15:58:47,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:47,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:48,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:48,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:48,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306557633] [2024-11-08 15:58:48,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306557633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:48,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:48,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 15:58:48,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112443585] [2024-11-08 15:58:48,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:48,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 15:58:48,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:48,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 15:58:48,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-08 15:58:48,150 INFO L87 Difference]: Start difference. First operand 12828 states and 17404 transitions. Second operand has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:48,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:48,809 INFO L93 Difference]: Finished difference Result 38043 states and 52427 transitions. [2024-11-08 15:58:48,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 15:58:48,810 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-08 15:58:48,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:48,844 INFO L225 Difference]: With dead ends: 38043 [2024-11-08 15:58:48,844 INFO L226 Difference]: Without dead ends: 37859 [2024-11-08 15:58:48,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-08 15:58:48,857 INFO L432 NwaCegarLoop]: 534 mSDtfsCounter, 4668 mSDsluCounter, 2543 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4668 SdHoareTripleChecker+Valid, 3077 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:48,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4668 Valid, 3077 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 15:58:48,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37859 states. [2024-11-08 15:58:49,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37859 to 12788. [2024-11-08 15:58:49,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12788 states, 12787 states have (on average 1.3571596152342222) internal successors, (17354), 12787 states have internal predecessors, (17354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:49,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12788 states to 12788 states and 17354 transitions. [2024-11-08 15:58:49,041 INFO L78 Accepts]: Start accepts. Automaton has 12788 states and 17354 transitions. Word has length 97 [2024-11-08 15:58:49,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:49,042 INFO L471 AbstractCegarLoop]: Abstraction has 12788 states and 17354 transitions. [2024-11-08 15:58:49,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.461538461538462) internal successors, (97), 13 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:49,042 INFO L276 IsEmpty]: Start isEmpty. Operand 12788 states and 17354 transitions. [2024-11-08 15:58:49,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 15:58:49,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:49,051 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:49,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-08 15:58:49,051 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:49,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:49,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1730554712, now seen corresponding path program 1 times [2024-11-08 15:58:49,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:49,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292835533] [2024-11-08 15:58:49,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:49,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:49,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:49,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:49,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292835533] [2024-11-08 15:58:49,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292835533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:49,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:49,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:58:49,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575434995] [2024-11-08 15:58:49,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:49,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:58:49,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:49,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:58:49,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:58:49,151 INFO L87 Difference]: Start difference. First operand 12788 states and 17354 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:49,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:49,345 INFO L93 Difference]: Finished difference Result 46604 states and 65150 transitions. [2024-11-08 15:58:49,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 15:58:49,345 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-08 15:58:49,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:49,382 INFO L225 Difference]: With dead ends: 46604 [2024-11-08 15:58:49,382 INFO L226 Difference]: Without dead ends: 36612 [2024-11-08 15:58:49,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-08 15:58:49,399 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 3637 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3637 SdHoareTripleChecker+Valid, 1775 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:49,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3637 Valid, 1775 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:58:49,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36612 states. [2024-11-08 15:58:49,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36612 to 22778. [2024-11-08 15:58:49,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22778 states, 22777 states have (on average 1.3676515783465777) internal successors, (31151), 22777 states have internal predecessors, (31151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:49,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22778 states to 22778 states and 31151 transitions. [2024-11-08 15:58:49,675 INFO L78 Accepts]: Start accepts. Automaton has 22778 states and 31151 transitions. Word has length 100 [2024-11-08 15:58:49,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:49,675 INFO L471 AbstractCegarLoop]: Abstraction has 22778 states and 31151 transitions. [2024-11-08 15:58:49,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:49,675 INFO L276 IsEmpty]: Start isEmpty. Operand 22778 states and 31151 transitions. [2024-11-08 15:58:49,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 15:58:49,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:49,689 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:49,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-08 15:58:49,690 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:49,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:49,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1418579749, now seen corresponding path program 1 times [2024-11-08 15:58:49,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:49,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143889659] [2024-11-08 15:58:49,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:49,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:49,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:49,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:49,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143889659] [2024-11-08 15:58:49,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143889659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:49,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:49,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:58:49,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135078298] [2024-11-08 15:58:49,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:49,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:58:49,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:49,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:58:49,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:58:49,826 INFO L87 Difference]: Start difference. First operand 22778 states and 31151 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:50,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:50,008 INFO L93 Difference]: Finished difference Result 29308 states and 40059 transitions. [2024-11-08 15:58:50,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 15:58:50,008 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-08 15:58:50,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:50,037 INFO L225 Difference]: With dead ends: 29308 [2024-11-08 15:58:50,037 INFO L226 Difference]: Without dead ends: 27396 [2024-11-08 15:58:50,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:58:50,047 INFO L432 NwaCegarLoop]: 888 mSDtfsCounter, 2746 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2746 SdHoareTripleChecker+Valid, 1640 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:50,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2746 Valid, 1640 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:58:50,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27396 states. [2024-11-08 15:58:50,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27396 to 26468. [2024-11-08 15:58:50,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26468 states, 26467 states have (on average 1.369176710620773) internal successors, (36238), 26467 states have internal predecessors, (36238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:50,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26468 states to 26468 states and 36238 transitions. [2024-11-08 15:58:50,290 INFO L78 Accepts]: Start accepts. Automaton has 26468 states and 36238 transitions. Word has length 101 [2024-11-08 15:58:50,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:50,290 INFO L471 AbstractCegarLoop]: Abstraction has 26468 states and 36238 transitions. [2024-11-08 15:58:50,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:50,290 INFO L276 IsEmpty]: Start isEmpty. Operand 26468 states and 36238 transitions. [2024-11-08 15:58:50,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-08 15:58:50,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:50,306 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:50,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-08 15:58:50,306 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:50,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:50,306 INFO L85 PathProgramCache]: Analyzing trace with hash -935836118, now seen corresponding path program 1 times [2024-11-08 15:58:50,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:50,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891980548] [2024-11-08 15:58:50,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:50,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:50,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:50,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:50,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891980548] [2024-11-08 15:58:50,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891980548] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:50,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:50,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:58:50,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93789559] [2024-11-08 15:58:50,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:50,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:58:50,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:50,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:58:50,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:50,394 INFO L87 Difference]: Start difference. First operand 26468 states and 36238 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:50,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:50,551 INFO L93 Difference]: Finished difference Result 71216 states and 98512 transitions. [2024-11-08 15:58:50,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:58:50,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-11-08 15:58:50,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:50,605 INFO L225 Difference]: With dead ends: 71216 [2024-11-08 15:58:50,605 INFO L226 Difference]: Without dead ends: 47530 [2024-11-08 15:58:50,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:50,632 INFO L432 NwaCegarLoop]: 707 mSDtfsCounter, 197 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:50,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 1220 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:58:50,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47530 states. [2024-11-08 15:58:50,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47530 to 44344. [2024-11-08 15:58:50,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44344 states, 44343 states have (on average 1.3751888685925626) internal successors, (60980), 44343 states have internal predecessors, (60980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:51,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44344 states to 44344 states and 60980 transitions. [2024-11-08 15:58:51,043 INFO L78 Accepts]: Start accepts. Automaton has 44344 states and 60980 transitions. Word has length 102 [2024-11-08 15:58:51,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:51,043 INFO L471 AbstractCegarLoop]: Abstraction has 44344 states and 60980 transitions. [2024-11-08 15:58:51,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:51,043 INFO L276 IsEmpty]: Start isEmpty. Operand 44344 states and 60980 transitions. [2024-11-08 15:58:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 15:58:51,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:51,057 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:51,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-08 15:58:51,057 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:51,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:51,057 INFO L85 PathProgramCache]: Analyzing trace with hash -787280911, now seen corresponding path program 1 times [2024-11-08 15:58:51,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:51,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614652099] [2024-11-08 15:58:51,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:51,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:51,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:51,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:51,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614652099] [2024-11-08 15:58:51,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614652099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:51,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:51,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:58:51,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335836616] [2024-11-08 15:58:51,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:51,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:58:51,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:51,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:58:51,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:51,136 INFO L87 Difference]: Start difference. First operand 44344 states and 60980 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:51,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:51,378 INFO L93 Difference]: Finished difference Result 123772 states and 171094 transitions. [2024-11-08 15:58:51,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:58:51,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2024-11-08 15:58:51,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:51,470 INFO L225 Difference]: With dead ends: 123772 [2024-11-08 15:58:51,471 INFO L226 Difference]: Without dead ends: 82210 [2024-11-08 15:58:51,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:51,516 INFO L432 NwaCegarLoop]: 689 mSDtfsCounter, 175 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 1215 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:51,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 1215 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:58:51,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82210 states. [2024-11-08 15:58:52,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82210 to 76240. [2024-11-08 15:58:52,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76240 states, 76239 states have (on average 1.3759886672175659) internal successors, (104904), 76239 states have internal predecessors, (104904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:52,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76240 states to 76240 states and 104904 transitions. [2024-11-08 15:58:52,346 INFO L78 Accepts]: Start accepts. Automaton has 76240 states and 104904 transitions. Word has length 103 [2024-11-08 15:58:52,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:52,346 INFO L471 AbstractCegarLoop]: Abstraction has 76240 states and 104904 transitions. [2024-11-08 15:58:52,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:52,346 INFO L276 IsEmpty]: Start isEmpty. Operand 76240 states and 104904 transitions. [2024-11-08 15:58:52,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 15:58:52,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:52,357 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:52,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-08 15:58:52,357 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:52,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:52,357 INFO L85 PathProgramCache]: Analyzing trace with hash -491800700, now seen corresponding path program 1 times [2024-11-08 15:58:52,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:52,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167555115] [2024-11-08 15:58:52,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:52,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:52,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:52,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:52,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167555115] [2024-11-08 15:58:52,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167555115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:52,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:52,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:58:52,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597137571] [2024-11-08 15:58:52,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:52,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:58:52,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:52,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:58:52,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:52,439 INFO L87 Difference]: Start difference. First operand 76240 states and 104904 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:52,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:52,874 INFO L93 Difference]: Finished difference Result 216204 states and 298082 transitions. [2024-11-08 15:58:52,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:58:52,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2024-11-08 15:58:52,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:53,049 INFO L225 Difference]: With dead ends: 216204 [2024-11-08 15:58:53,049 INFO L226 Difference]: Without dead ends: 142746 [2024-11-08 15:58:53,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:53,121 INFO L432 NwaCegarLoop]: 671 mSDtfsCounter, 157 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:53,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 1201 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:58:53,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142746 states. [2024-11-08 15:58:55,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142746 to 131612. [2024-11-08 15:58:55,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131612 states, 131611 states have (on average 1.3733502518786425) internal successors, (180748), 131611 states have internal predecessors, (180748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:55,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131612 states to 131612 states and 180748 transitions. [2024-11-08 15:58:55,470 INFO L78 Accepts]: Start accepts. Automaton has 131612 states and 180748 transitions. Word has length 104 [2024-11-08 15:58:55,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:58:55,470 INFO L471 AbstractCegarLoop]: Abstraction has 131612 states and 180748 transitions. [2024-11-08 15:58:55,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:55,470 INFO L276 IsEmpty]: Start isEmpty. Operand 131612 states and 180748 transitions. [2024-11-08 15:58:55,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 15:58:55,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:58:55,482 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:58:55,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-08 15:58:55,483 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:58:55,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:58:55,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1696289354, now seen corresponding path program 1 times [2024-11-08 15:58:55,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:58:55,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499684770] [2024-11-08 15:58:55,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:58:55,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:58:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:58:55,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:58:55,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:58:55,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499684770] [2024-11-08 15:58:55,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499684770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:58:55,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:58:55,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:58:55,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858241091] [2024-11-08 15:58:55,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:58:55,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:58:55,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:58:55,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:58:55,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:55,753 INFO L87 Difference]: Start difference. First operand 131612 states and 180748 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:58:56,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:58:56,901 INFO L93 Difference]: Finished difference Result 378494 states and 520044 transitions. [2024-11-08 15:58:56,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:58:56,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2024-11-08 15:58:56,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:58:57,231 INFO L225 Difference]: With dead ends: 378494 [2024-11-08 15:58:57,231 INFO L226 Difference]: Without dead ends: 245929 [2024-11-08 15:58:57,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:58:57,512 INFO L432 NwaCegarLoop]: 653 mSDtfsCounter, 125 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1184 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:58:57,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1184 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:58:57,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245929 states. [2024-11-08 15:58:59,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245929 to 229982. [2024-11-08 15:58:59,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229982 states, 229981 states have (on average 1.3682652045168948) internal successors, (314675), 229981 states have internal predecessors, (314675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:59:00,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229982 states to 229982 states and 314675 transitions. [2024-11-08 15:59:00,684 INFO L78 Accepts]: Start accepts. Automaton has 229982 states and 314675 transitions. Word has length 107 [2024-11-08 15:59:00,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:59:00,685 INFO L471 AbstractCegarLoop]: Abstraction has 229982 states and 314675 transitions. [2024-11-08 15:59:00,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:59:00,685 INFO L276 IsEmpty]: Start isEmpty. Operand 229982 states and 314675 transitions. [2024-11-08 15:59:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 15:59:00,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:59:00,697 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:59:00,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-08 15:59:00,697 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:59:00,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:59:00,697 INFO L85 PathProgramCache]: Analyzing trace with hash -482430966, now seen corresponding path program 1 times [2024-11-08 15:59:00,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:59:00,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947785325] [2024-11-08 15:59:00,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:59:00,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:59:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:59:01,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:59:01,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:59:01,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947785325] [2024-11-08 15:59:01,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947785325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:59:01,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:59:01,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:59:01,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59479146] [2024-11-08 15:59:01,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:59:01,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:59:01,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:59:01,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:59:01,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:59:01,064 INFO L87 Difference]: Start difference. First operand 229982 states and 314675 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 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) [2024-11-08 15:59:01,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:59:01,855 INFO L93 Difference]: Finished difference Result 244963 states and 334647 transitions. [2024-11-08 15:59:01,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 15:59:01,856 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 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) Word has length 108 [2024-11-08 15:59:01,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:59:02,156 INFO L225 Difference]: With dead ends: 244963 [2024-11-08 15:59:02,157 INFO L226 Difference]: Without dead ends: 244958 [2024-11-08 15:59:02,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:59:02,197 INFO L432 NwaCegarLoop]: 608 mSDtfsCounter, 0 mSDsluCounter, 2422 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3030 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 [2024-11-08 15:59:02,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3030 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:59:02,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244958 states. [2024-11-08 15:59:04,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244958 to 244956. [2024-11-08 15:59:05,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244956 states, 244955 states have (on average 1.3457410544793942) internal successors, (329646), 244955 states have internal predecessors, (329646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 15:59:05,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244956 states to 244956 states and 329646 transitions. [2024-11-08 15:59:05,482 INFO L78 Accepts]: Start accepts. Automaton has 244956 states and 329646 transitions. Word has length 108 [2024-11-08 15:59:05,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:59:05,482 INFO L471 AbstractCegarLoop]: Abstraction has 244956 states and 329646 transitions. [2024-11-08 15:59:05,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 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) [2024-11-08 15:59:05,482 INFO L276 IsEmpty]: Start isEmpty. Operand 244956 states and 329646 transitions. [2024-11-08 15:59:05,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 15:59:05,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:59:05,493 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:59:05,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-11-08 15:59:05,494 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-08 15:59:05,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:59:05,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1654012192, now seen corresponding path program 1 times [2024-11-08 15:59:05,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:59:05,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489508954] [2024-11-08 15:59:05,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:59:05,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:59:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:59:05,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:59:05,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:59:05,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489508954] [2024-11-08 15:59:05,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489508954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:59:05,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:59:05,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:59:05,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876868762] [2024-11-08 15:59:05,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:59:05,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:59:05,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:59:05,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:59:05,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:59:05,548 INFO L87 Difference]: Start difference. First operand 244956 states and 329646 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)