./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.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 755ab1a46ae9bd419f57fa80d8e9c25878a5804529700435e5fe8941ed66455d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 03:51:59,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 03:52:00,072 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 03:52:00,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 03:52:00,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 03:52:00,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 03:52:00,098 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 03:52:00,099 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 03:52:00,099 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 03:52:00,100 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 03:52:00,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 03:52:00,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 03:52:00,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 03:52:00,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 03:52:00,102 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 03:52:00,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 03:52:00,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 03:52:00,103 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 03:52:00,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 03:52:00,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 03:52:00,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 03:52:00,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 03:52:00,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 03:52:00,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 03:52:00,108 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 03:52:00,109 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 03:52:00,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 03:52:00,109 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 03:52:00,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 03:52:00,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 03:52:00,110 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 03:52:00,110 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 03:52:00,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:52:00,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 03:52:00,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 03:52:00,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 03:52:00,115 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 03:52:00,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 03:52:00,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 03:52:00,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 03:52:00,116 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 03:52:00,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 03:52:00,117 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 755ab1a46ae9bd419f57fa80d8e9c25878a5804529700435e5fe8941ed66455d [2024-10-14 03:52:00,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 03:52:00,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 03:52:00,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 03:52:00,410 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 03:52:00,411 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 03:52:00,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2024-10-14 03:52:01,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 03:52:02,322 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 03:52:02,323 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2024-10-14 03:52:02,356 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46100c7b1/6ebd1fed67564be6862d0e6845c6b55a/FLAG08b7acf4f [2024-10-14 03:52:02,421 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46100c7b1/6ebd1fed67564be6862d0e6845c6b55a [2024-10-14 03:52:02,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 03:52:02,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 03:52:02,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 03:52:02,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 03:52:02,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 03:52:02,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:52:02" (1/1) ... [2024-10-14 03:52:02,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200d280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:52:02, skipping insertion in model container [2024-10-14 03:52:02,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:52:02" (1/1) ... [2024-10-14 03:52:02,575 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 03:52:02,978 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[14256,14269] [2024-10-14 03:52:03,007 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20101,20114] [2024-10-14 03:52:03,016 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[21333,21346] [2024-10-14 03:52:03,040 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23565,23578] [2024-10-14 03:52:03,071 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[26974,26987] [2024-10-14 03:52:03,106 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[33563,33576] [2024-10-14 03:52:03,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:52:03,764 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 03:52:03,819 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[14256,14269] [2024-10-14 03:52:03,831 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[20101,20114] [2024-10-14 03:52:03,835 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[21333,21346] [2024-10-14 03:52:03,841 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[23565,23578] [2024-10-14 03:52:03,850 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[26974,26987] [2024-10-14 03:52:03,865 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c[33563,33576] [2024-10-14 03:52:04,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:52:04,323 INFO L204 MainTranslator]: Completed translation [2024-10-14 03:52:04,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:52:04 WrapperNode [2024-10-14 03:52:04,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 03:52:04,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 03:52:04,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 03:52:04,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 03:52:04,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:52:04" (1/1) ... [2024-10-14 03:52:04,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:52:04" (1/1) ... [2024-10-14 03:52:04,584 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 10106 [2024-10-14 03:52:04,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 03:52:04,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 03:52:04,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 03:52:04,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 03:52:04,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:52:04" (1/1) ... [2024-10-14 03:52:04,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:52:04" (1/1) ... [2024-10-14 03:52:04,621 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:52:04" (1/1) ... [2024-10-14 03:52:04,693 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 03:52:04,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:52:04" (1/1) ... [2024-10-14 03:52:04,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:52:04" (1/1) ... [2024-10-14 03:52:04,769 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:52:04" (1/1) ... [2024-10-14 03:52:04,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:52:04" (1/1) ... [2024-10-14 03:52:04,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:52:04" (1/1) ... [2024-10-14 03:52:04,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:52:04" (1/1) ... [2024-10-14 03:52:04,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 03:52:04,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 03:52:04,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 03:52:04,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 03:52:04,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:52:04" (1/1) ... [2024-10-14 03:52:04,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:52:04,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:52:04,930 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) [2024-10-14 03:52:04,932 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 [2024-10-14 03:52:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 03:52:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 03:52:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 03:52:04,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 03:52:05,390 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 03:52:05,393 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 03:52:10,022 INFO L? ?]: Removed 1497 outVars from TransFormulas that were not future-live. [2024-10-14 03:52:10,022 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 03:52:10,207 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 03:52:10,209 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 03:52:10,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:52:10 BoogieIcfgContainer [2024-10-14 03:52:10,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 03:52:10,212 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 03:52:10,213 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 03:52:10,216 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 03:52:10,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:52:02" (1/3) ... [2024-10-14 03:52:10,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6baa405a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:52:10, skipping insertion in model container [2024-10-14 03:52:10,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:52:04" (2/3) ... [2024-10-14 03:52:10,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6baa405a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:52:10, skipping insertion in model container [2024-10-14 03:52:10,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:52:10" (3/3) ... [2024-10-14 03:52:10,220 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c.v+lhb-reducer.c [2024-10-14 03:52:10,242 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 03:52:10,242 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-14 03:52:10,381 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 03:52:10,389 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;@17ecc273, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 03:52:10,390 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-14 03:52:10,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 1757 states, 1750 states have (on average 1.7982857142857143) internal successors, (3147), 1756 states have internal predecessors, (3147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:10,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-14 03:52:10,443 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:10,444 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] [2024-10-14 03:52:10,445 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)] === [2024-10-14 03:52:10,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:10,450 INFO L85 PathProgramCache]: Analyzing trace with hash -172755925, now seen corresponding path program 1 times [2024-10-14 03:52:10,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:10,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192635059] [2024-10-14 03:52:10,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:10,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:11,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:11,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:11,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192635059] [2024-10-14 03:52:11,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192635059] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:11,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:11,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:52:11,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510957059] [2024-10-14 03:52:11,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:11,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:52:11,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:11,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:52:11,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:52:11,101 INFO L87 Difference]: Start difference. First operand has 1757 states, 1750 states have (on average 1.7982857142857143) internal successors, (3147), 1756 states have internal predecessors, (3147), 0 states have call successors, (0), 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) [2024-10-14 03:52:11,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:11,522 INFO L93 Difference]: Finished difference Result 2530 states and 4439 transitions. [2024-10-14 03:52:11,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:52:11,527 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 [2024-10-14 03:52:11,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:11,556 INFO L225 Difference]: With dead ends: 2530 [2024-10-14 03:52:11,556 INFO L226 Difference]: Without dead ends: 2329 [2024-10-14 03:52:11,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:52:11,569 INFO L432 NwaCegarLoop]: 3626 mSDtfsCounter, 1884 mSDsluCounter, 2015 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1884 SdHoareTripleChecker+Valid, 5641 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:11,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1884 Valid, 5641 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 03:52:11,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2329 states. [2024-10-14 03:52:11,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2329 to 2319. [2024-10-14 03:52:11,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2319 states, 2313 states have (on average 1.3030696065715521) internal successors, (3014), 2318 states have internal predecessors, (3014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:11,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 2319 states and 3014 transitions. [2024-10-14 03:52:11,710 INFO L78 Accepts]: Start accepts. Automaton has 2319 states and 3014 transitions. Word has length 75 [2024-10-14 03:52:11,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:11,711 INFO L471 AbstractCegarLoop]: Abstraction has 2319 states and 3014 transitions. [2024-10-14 03:52:11,711 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) [2024-10-14 03:52:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 3014 transitions. [2024-10-14 03:52:11,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-14 03:52:11,718 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:11,718 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] [2024-10-14 03:52:11,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 03:52:11,719 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)] === [2024-10-14 03:52:11,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:11,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1644069307, now seen corresponding path program 1 times [2024-10-14 03:52:11,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:11,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874999529] [2024-10-14 03:52:11,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:11,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:11,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:11,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:11,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874999529] [2024-10-14 03:52:11,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874999529] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:11,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:11,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:52:11,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406056143] [2024-10-14 03:52:11,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:11,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:52:11,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:11,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:52:11,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:52:11,965 INFO L87 Difference]: Start difference. First operand 2319 states and 3014 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) [2024-10-14 03:52:12,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:12,118 INFO L93 Difference]: Finished difference Result 3252 states and 4379 transitions. [2024-10-14 03:52:12,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:52:12,119 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 [2024-10-14 03:52:12,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:12,130 INFO L225 Difference]: With dead ends: 3252 [2024-10-14 03:52:12,131 INFO L226 Difference]: Without dead ends: 2779 [2024-10-14 03:52:12,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:52:12,136 INFO L432 NwaCegarLoop]: 2351 mSDtfsCounter, 1185 mSDsluCounter, 1430 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 3781 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:12,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 3781 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:52:12,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2779 states. [2024-10-14 03:52:12,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2779 to 2769. [2024-10-14 03:52:12,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2769 states, 2763 states have (on average 1.3275425262395946) internal successors, (3668), 2768 states have internal predecessors, (3668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:12,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 3668 transitions. [2024-10-14 03:52:12,284 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 3668 transitions. Word has length 75 [2024-10-14 03:52:12,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:12,285 INFO L471 AbstractCegarLoop]: Abstraction has 2769 states and 3668 transitions. [2024-10-14 03:52:12,285 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) [2024-10-14 03:52:12,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3668 transitions. [2024-10-14 03:52:12,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-14 03:52:12,293 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:12,294 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] [2024-10-14 03:52:12,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 03:52:12,294 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)] === [2024-10-14 03:52:12,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:12,295 INFO L85 PathProgramCache]: Analyzing trace with hash 281280943, now seen corresponding path program 1 times [2024-10-14 03:52:12,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:12,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536612607] [2024-10-14 03:52:12,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:12,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:12,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:12,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:12,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536612607] [2024-10-14 03:52:12,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536612607] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:12,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:12,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:52:12,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590891353] [2024-10-14 03:52:12,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:12,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:52:12,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:12,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:52:12,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:52:12,572 INFO L87 Difference]: Start difference. First operand 2769 states and 3668 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) [2024-10-14 03:52:13,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:13,578 INFO L93 Difference]: Finished difference Result 5084 states and 6943 transitions. [2024-10-14 03:52:13,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:52:13,578 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 [2024-10-14 03:52:13,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:13,591 INFO L225 Difference]: With dead ends: 5084 [2024-10-14 03:52:13,591 INFO L226 Difference]: Without dead ends: 2917 [2024-10-14 03:52:13,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:52:13,598 INFO L432 NwaCegarLoop]: 997 mSDtfsCounter, 5833 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5833 SdHoareTripleChecker+Valid, 1218 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:13,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5833 Valid, 1218 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:52:13,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2917 states. [2024-10-14 03:52:13,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2917 to 2907. [2024-10-14 03:52:13,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2901 states have (on average 1.378145467080317) internal successors, (3998), 2906 states have internal predecessors, (3998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:13,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 3998 transitions. [2024-10-14 03:52:13,670 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 3998 transitions. Word has length 75 [2024-10-14 03:52:13,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:13,670 INFO L471 AbstractCegarLoop]: Abstraction has 2907 states and 3998 transitions. [2024-10-14 03:52:13,670 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) [2024-10-14 03:52:13,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 3998 transitions. [2024-10-14 03:52:13,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-14 03:52:13,676 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:13,676 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] [2024-10-14 03:52:13,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 03:52:13,676 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-14 03:52:13,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:13,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1643166464, now seen corresponding path program 1 times [2024-10-14 03:52:13,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:13,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652264697] [2024-10-14 03:52:13,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:13,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:13,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:13,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:13,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652264697] [2024-10-14 03:52:13,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652264697] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:13,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:13,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:52:13,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361746238] [2024-10-14 03:52:13,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:13,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:52:13,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:13,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:52:13,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:52:13,910 INFO L87 Difference]: Start difference. First operand 2907 states and 3998 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) [2024-10-14 03:52:14,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:14,757 INFO L93 Difference]: Finished difference Result 6167 states and 8700 transitions. [2024-10-14 03:52:14,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:52:14,758 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 [2024-10-14 03:52:14,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:14,772 INFO L225 Difference]: With dead ends: 6167 [2024-10-14 03:52:14,774 INFO L226 Difference]: Without dead ends: 3702 [2024-10-14 03:52:14,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:52:14,780 INFO L432 NwaCegarLoop]: 779 mSDtfsCounter, 4651 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4651 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:14,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4651 Valid, 996 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 03:52:14,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3702 states. [2024-10-14 03:52:14,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3702 to 3692. [2024-10-14 03:52:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3692 states, 3686 states have (on average 1.4153553988062941) internal successors, (5217), 3691 states have internal predecessors, (5217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:14,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 5217 transitions. [2024-10-14 03:52:14,884 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 5217 transitions. Word has length 76 [2024-10-14 03:52:14,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:14,885 INFO L471 AbstractCegarLoop]: Abstraction has 3692 states and 5217 transitions. [2024-10-14 03:52:14,886 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) [2024-10-14 03:52:14,887 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 5217 transitions. [2024-10-14 03:52:14,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-14 03:52:14,892 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:14,893 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] [2024-10-14 03:52:14,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 03:52:14,894 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)] === [2024-10-14 03:52:14,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:14,894 INFO L85 PathProgramCache]: Analyzing trace with hash -867968266, now seen corresponding path program 1 times [2024-10-14 03:52:14,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:14,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134080630] [2024-10-14 03:52:14,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:14,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:15,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:15,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:15,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134080630] [2024-10-14 03:52:15,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134080630] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:15,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:15,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:52:15,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639232624] [2024-10-14 03:52:15,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:15,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:52:15,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:15,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:52:15,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:52:15,038 INFO L87 Difference]: Start difference. First operand 3692 states and 5217 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) [2024-10-14 03:52:15,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:15,131 INFO L93 Difference]: Finished difference Result 7496 states and 10727 transitions. [2024-10-14 03:52:15,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:52:15,131 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 [2024-10-14 03:52:15,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:15,150 INFO L225 Difference]: With dead ends: 7496 [2024-10-14 03:52:15,150 INFO L226 Difference]: Without dead ends: 5231 [2024-10-14 03:52:15,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:52:15,157 INFO L432 NwaCegarLoop]: 1768 mSDtfsCounter, 1096 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1096 SdHoareTripleChecker+Valid, 2715 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:15,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1096 Valid, 2715 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:52:15,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5231 states. [2024-10-14 03:52:15,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5231 to 5213. [2024-10-14 03:52:15,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5213 states, 5207 states have (on average 1.4034952947954675) internal successors, (7308), 5212 states have internal predecessors, (7308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:15,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5213 states to 5213 states and 7308 transitions. [2024-10-14 03:52:15,292 INFO L78 Accepts]: Start accepts. Automaton has 5213 states and 7308 transitions. Word has length 77 [2024-10-14 03:52:15,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:15,294 INFO L471 AbstractCegarLoop]: Abstraction has 5213 states and 7308 transitions. [2024-10-14 03:52:15,294 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) [2024-10-14 03:52:15,294 INFO L276 IsEmpty]: Start isEmpty. Operand 5213 states and 7308 transitions. [2024-10-14 03:52:15,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-14 03:52:15,304 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:15,304 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] [2024-10-14 03:52:15,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 03:52:15,305 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)] === [2024-10-14 03:52:15,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:15,305 INFO L85 PathProgramCache]: Analyzing trace with hash 532148261, now seen corresponding path program 1 times [2024-10-14 03:52:15,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:15,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778424550] [2024-10-14 03:52:15,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:15,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:15,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:15,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:15,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778424550] [2024-10-14 03:52:15,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778424550] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:15,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:15,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:52:15,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020868414] [2024-10-14 03:52:15,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:15,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:52:15,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:15,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:52:15,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:52:15,420 INFO L87 Difference]: Start difference. First operand 5213 states and 7308 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) [2024-10-14 03:52:15,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:15,510 INFO L93 Difference]: Finished difference Result 10576 states and 14995 transitions. [2024-10-14 03:52:15,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:52:15,511 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 [2024-10-14 03:52:15,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:15,536 INFO L225 Difference]: With dead ends: 10576 [2024-10-14 03:52:15,536 INFO L226 Difference]: Without dead ends: 7331 [2024-10-14 03:52:15,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:52:15,544 INFO L432 NwaCegarLoop]: 1781 mSDtfsCounter, 1115 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 2723 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:15,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1115 Valid, 2723 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:52:15,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7331 states. [2024-10-14 03:52:15,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7331 to 7309. [2024-10-14 03:52:15,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7309 states, 7303 states have (on average 1.3912090921539093) internal successors, (10160), 7308 states have internal predecessors, (10160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:15,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7309 states to 7309 states and 10160 transitions. [2024-10-14 03:52:15,736 INFO L78 Accepts]: Start accepts. Automaton has 7309 states and 10160 transitions. Word has length 77 [2024-10-14 03:52:15,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:15,736 INFO L471 AbstractCegarLoop]: Abstraction has 7309 states and 10160 transitions. [2024-10-14 03:52:15,736 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) [2024-10-14 03:52:15,736 INFO L276 IsEmpty]: Start isEmpty. Operand 7309 states and 10160 transitions. [2024-10-14 03:52:15,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-14 03:52:15,746 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:15,747 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] [2024-10-14 03:52:15,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 03:52:15,747 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)] === [2024-10-14 03:52:15,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:15,748 INFO L85 PathProgramCache]: Analyzing trace with hash 413664227, now seen corresponding path program 1 times [2024-10-14 03:52:15,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:15,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145328953] [2024-10-14 03:52:15,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:15,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:15,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:15,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:15,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145328953] [2024-10-14 03:52:15,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145328953] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:15,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:15,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:52:15,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747550740] [2024-10-14 03:52:15,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:15,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:52:15,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:15,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:52:15,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:52:15,863 INFO L87 Difference]: Start difference. First operand 7309 states and 10160 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) [2024-10-14 03:52:15,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:15,971 INFO L93 Difference]: Finished difference Result 16840 states and 23879 transitions. [2024-10-14 03:52:15,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:52:15,972 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 [2024-10-14 03:52:15,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:16,021 INFO L225 Difference]: With dead ends: 16840 [2024-10-14 03:52:16,022 INFO L226 Difference]: Without dead ends: 11315 [2024-10-14 03:52:16,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:52:16,034 INFO L432 NwaCegarLoop]: 1390 mSDtfsCounter, 719 mSDsluCounter, 953 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 2343 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:16,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 2343 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:52:16,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11315 states. [2024-10-14 03:52:16,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11315 to 11305. [2024-10-14 03:52:16,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11305 states, 11299 states have (on average 1.4001239047703335) internal successors, (15820), 11304 states have internal predecessors, (15820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:16,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11305 states to 11305 states and 15820 transitions. [2024-10-14 03:52:16,254 INFO L78 Accepts]: Start accepts. Automaton has 11305 states and 15820 transitions. Word has length 77 [2024-10-14 03:52:16,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:16,254 INFO L471 AbstractCegarLoop]: Abstraction has 11305 states and 15820 transitions. [2024-10-14 03:52:16,255 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) [2024-10-14 03:52:16,255 INFO L276 IsEmpty]: Start isEmpty. Operand 11305 states and 15820 transitions. [2024-10-14 03:52:16,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-14 03:52:16,266 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:16,266 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] [2024-10-14 03:52:16,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 03:52:16,267 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)] === [2024-10-14 03:52:16,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:16,267 INFO L85 PathProgramCache]: Analyzing trace with hash 354976211, now seen corresponding path program 1 times [2024-10-14 03:52:16,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:16,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282560905] [2024-10-14 03:52:16,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:16,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:16,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:16,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:16,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282560905] [2024-10-14 03:52:16,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282560905] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:16,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:16,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:52:16,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916739906] [2024-10-14 03:52:16,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:16,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:52:16,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:16,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:52:16,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:52:16,429 INFO L87 Difference]: Start difference. First operand 11305 states and 15820 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) [2024-10-14 03:52:17,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:17,332 INFO L93 Difference]: Finished difference Result 24746 states and 34887 transitions. [2024-10-14 03:52:17,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:52:17,333 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 [2024-10-14 03:52:17,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:17,362 INFO L225 Difference]: With dead ends: 24746 [2024-10-14 03:52:17,362 INFO L226 Difference]: Without dead ends: 14407 [2024-10-14 03:52:17,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:52:17,373 INFO L432 NwaCegarLoop]: 670 mSDtfsCounter, 3989 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3989 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:17,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3989 Valid, 867 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 03:52:17,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14407 states. [2024-10-14 03:52:17,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14407 to 14361. [2024-10-14 03:52:17,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14361 states, 14355 states have (on average 1.4014629049111809) internal successors, (20118), 14360 states have internal predecessors, (20118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:17,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14361 states to 14361 states and 20118 transitions. [2024-10-14 03:52:17,614 INFO L78 Accepts]: Start accepts. Automaton has 14361 states and 20118 transitions. Word has length 77 [2024-10-14 03:52:17,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:17,614 INFO L471 AbstractCegarLoop]: Abstraction has 14361 states and 20118 transitions. [2024-10-14 03:52:17,615 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) [2024-10-14 03:52:17,615 INFO L276 IsEmpty]: Start isEmpty. Operand 14361 states and 20118 transitions. [2024-10-14 03:52:17,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 03:52:17,627 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:17,627 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] [2024-10-14 03:52:17,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 03:52:17,628 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)] === [2024-10-14 03:52:17,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:17,629 INFO L85 PathProgramCache]: Analyzing trace with hash -2035237967, now seen corresponding path program 1 times [2024-10-14 03:52:17,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:17,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995132093] [2024-10-14 03:52:17,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:17,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:17,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:17,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:17,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995132093] [2024-10-14 03:52:17,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995132093] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:17,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:17,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 03:52:17,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198770488] [2024-10-14 03:52:17,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:17,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:52:17,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:17,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:52:17,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:52:17,834 INFO L87 Difference]: Start difference. First operand 14361 states and 20118 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) [2024-10-14 03:52:18,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:18,988 INFO L93 Difference]: Finished difference Result 30725 states and 43558 transitions. [2024-10-14 03:52:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 03:52:18,989 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 [2024-10-14 03:52:18,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:19,147 INFO L225 Difference]: With dead ends: 30725 [2024-10-14 03:52:19,147 INFO L226 Difference]: Without dead ends: 26269 [2024-10-14 03:52:19,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:52:19,158 INFO L432 NwaCegarLoop]: 691 mSDtfsCounter, 5221 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5221 SdHoareTripleChecker+Valid, 1770 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:19,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5221 Valid, 1770 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:52:19,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26269 states. [2024-10-14 03:52:19,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26269 to 14409. [2024-10-14 03:52:19,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14409 states, 14403 states have (on average 1.4012358536416025) internal successors, (20182), 14408 states have internal predecessors, (20182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:19,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14409 states to 14409 states and 20182 transitions. [2024-10-14 03:52:19,431 INFO L78 Accepts]: Start accepts. Automaton has 14409 states and 20182 transitions. Word has length 78 [2024-10-14 03:52:19,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:19,431 INFO L471 AbstractCegarLoop]: Abstraction has 14409 states and 20182 transitions. [2024-10-14 03:52:19,431 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) [2024-10-14 03:52:19,432 INFO L276 IsEmpty]: Start isEmpty. Operand 14409 states and 20182 transitions. [2024-10-14 03:52:19,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 03:52:19,444 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:19,445 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] [2024-10-14 03:52:19,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 03:52:19,445 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)] === [2024-10-14 03:52:19,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:19,450 INFO L85 PathProgramCache]: Analyzing trace with hash 139680224, now seen corresponding path program 1 times [2024-10-14 03:52:19,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:19,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803158143] [2024-10-14 03:52:19,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:19,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:19,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:19,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:19,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803158143] [2024-10-14 03:52:19,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803158143] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:19,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:19,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 03:52:19,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131229300] [2024-10-14 03:52:19,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:19,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:52:19,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:19,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:52:19,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:52:19,700 INFO L87 Difference]: Start difference. First operand 14409 states and 20182 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) [2024-10-14 03:52:20,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:20,819 INFO L93 Difference]: Finished difference Result 35957 states and 51039 transitions. [2024-10-14 03:52:20,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 03:52:20,820 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 [2024-10-14 03:52:20,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:20,876 INFO L225 Difference]: With dead ends: 35957 [2024-10-14 03:52:20,876 INFO L226 Difference]: Without dead ends: 30185 [2024-10-14 03:52:20,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:52:20,894 INFO L432 NwaCegarLoop]: 680 mSDtfsCounter, 5121 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5121 SdHoareTripleChecker+Valid, 1739 SdHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:20,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5121 Valid, 1739 Invalid, 1404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:52:20,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30185 states. [2024-10-14 03:52:21,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30185 to 14589. [2024-10-14 03:52:21,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14589 states, 14583 states have (on average 1.4003977233765343) internal successors, (20422), 14588 states have internal predecessors, (20422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:21,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14589 states to 14589 states and 20422 transitions. [2024-10-14 03:52:21,344 INFO L78 Accepts]: Start accepts. Automaton has 14589 states and 20422 transitions. Word has length 78 [2024-10-14 03:52:21,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:21,345 INFO L471 AbstractCegarLoop]: Abstraction has 14589 states and 20422 transitions. [2024-10-14 03:52:21,345 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) [2024-10-14 03:52:21,345 INFO L276 IsEmpty]: Start isEmpty. Operand 14589 states and 20422 transitions. [2024-10-14 03:52:21,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-14 03:52:21,359 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:21,360 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] [2024-10-14 03:52:21,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 03:52:21,360 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)] === [2024-10-14 03:52:21,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:21,361 INFO L85 PathProgramCache]: Analyzing trace with hash 368267107, now seen corresponding path program 1 times [2024-10-14 03:52:21,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:21,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203184612] [2024-10-14 03:52:21,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:21,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:21,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:21,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:21,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203184612] [2024-10-14 03:52:21,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203184612] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:21,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:21,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 03:52:21,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114702647] [2024-10-14 03:52:21,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:21,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:52:21,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:21,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:52:21,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:52:21,584 INFO L87 Difference]: Start difference. First operand 14589 states and 20422 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) [2024-10-14 03:52:22,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:22,608 INFO L93 Difference]: Finished difference Result 33635 states and 47630 transitions. [2024-10-14 03:52:22,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 03:52:22,609 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 [2024-10-14 03:52:22,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:22,660 INFO L225 Difference]: With dead ends: 33635 [2024-10-14 03:52:22,660 INFO L226 Difference]: Without dead ends: 28157 [2024-10-14 03:52:22,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:52:22,679 INFO L432 NwaCegarLoop]: 667 mSDtfsCounter, 5076 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5076 SdHoareTripleChecker+Valid, 1714 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:22,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5076 Valid, 1714 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1314 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:52:22,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28157 states. [2024-10-14 03:52:23,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28157 to 14889. [2024-10-14 03:52:23,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14889 states, 14883 states have (on average 1.399314654303568) internal successors, (20826), 14888 states have internal predecessors, (20826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:23,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14889 states to 14889 states and 20826 transitions. [2024-10-14 03:52:23,046 INFO L78 Accepts]: Start accepts. Automaton has 14889 states and 20826 transitions. Word has length 78 [2024-10-14 03:52:23,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:23,047 INFO L471 AbstractCegarLoop]: Abstraction has 14889 states and 20826 transitions. [2024-10-14 03:52:23,047 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) [2024-10-14 03:52:23,047 INFO L276 IsEmpty]: Start isEmpty. Operand 14889 states and 20826 transitions. [2024-10-14 03:52:23,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 03:52:23,059 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:23,059 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] [2024-10-14 03:52:23,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 03:52:23,059 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-14 03:52:23,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:23,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1196772921, now seen corresponding path program 1 times [2024-10-14 03:52:23,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:23,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599807358] [2024-10-14 03:52:23,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:23,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:23,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:23,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:23,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599807358] [2024-10-14 03:52:23,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599807358] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:23,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:23,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:52:23,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564434111] [2024-10-14 03:52:23,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:23,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:52:23,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:23,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:52:23,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:52:23,213 INFO L87 Difference]: Start difference. First operand 14889 states and 20826 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) [2024-10-14 03:52:23,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:23,938 INFO L93 Difference]: Finished difference Result 34131 states and 47922 transitions. [2024-10-14 03:52:23,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:52:23,939 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 [2024-10-14 03:52:23,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:23,968 INFO L225 Difference]: With dead ends: 34131 [2024-10-14 03:52:23,969 INFO L226 Difference]: Without dead ends: 20113 [2024-10-14 03:52:23,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:52:23,989 INFO L432 NwaCegarLoop]: 702 mSDtfsCounter, 4170 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4170 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:23,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4170 Valid, 919 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 03:52:24,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20113 states. [2024-10-14 03:52:24,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20113 to 14889. [2024-10-14 03:52:24,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14889 states, 14883 states have (on average 1.3956191628031982) internal successors, (20771), 14888 states have internal predecessors, (20771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:24,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14889 states to 14889 states and 20771 transitions. [2024-10-14 03:52:24,251 INFO L78 Accepts]: Start accepts. Automaton has 14889 states and 20771 transitions. Word has length 79 [2024-10-14 03:52:24,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:24,251 INFO L471 AbstractCegarLoop]: Abstraction has 14889 states and 20771 transitions. [2024-10-14 03:52:24,252 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) [2024-10-14 03:52:24,252 INFO L276 IsEmpty]: Start isEmpty. Operand 14889 states and 20771 transitions. [2024-10-14 03:52:24,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 03:52:24,262 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:24,263 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:52:24,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 03:52:24,263 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-14 03:52:24,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:24,264 INFO L85 PathProgramCache]: Analyzing trace with hash 404807133, now seen corresponding path program 1 times [2024-10-14 03:52:24,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:24,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798572165] [2024-10-14 03:52:24,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:24,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:24,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:24,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:24,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798572165] [2024-10-14 03:52:24,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798572165] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:24,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:24,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:52:24,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655980681] [2024-10-14 03:52:24,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:24,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 03:52:24,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:24,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 03:52:24,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 03:52:24,694 INFO L87 Difference]: Start difference. First operand 14889 states and 20771 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) [2024-10-14 03:52:24,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:24,815 INFO L93 Difference]: Finished difference Result 14889 states and 20771 transitions. [2024-10-14 03:52:24,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 03:52:24,816 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 [2024-10-14 03:52:24,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:24,836 INFO L225 Difference]: With dead ends: 14889 [2024-10-14 03:52:24,836 INFO L226 Difference]: Without dead ends: 14887 [2024-10-14 03:52:24,843 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 [2024-10-14 03:52:24,844 INFO L432 NwaCegarLoop]: 1180 mSDtfsCounter, 0 mSDsluCounter, 2305 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3485 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:24,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3485 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:52:24,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14887 states. [2024-10-14 03:52:25,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14887 to 14887. [2024-10-14 03:52:25,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14887 states, 14882 states have (on average 1.3932267168391346) internal successors, (20734), 14886 states have internal predecessors, (20734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:25,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14887 states to 14887 states and 20734 transitions. [2024-10-14 03:52:25,041 INFO L78 Accepts]: Start accepts. Automaton has 14887 states and 20734 transitions. Word has length 79 [2024-10-14 03:52:25,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:25,042 INFO L471 AbstractCegarLoop]: Abstraction has 14887 states and 20734 transitions. [2024-10-14 03:52:25,042 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) [2024-10-14 03:52:25,042 INFO L276 IsEmpty]: Start isEmpty. Operand 14887 states and 20734 transitions. [2024-10-14 03:52:25,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 03:52:25,051 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:25,051 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] [2024-10-14 03:52:25,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 03:52:25,052 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-14 03:52:25,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:25,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1278563792, now seen corresponding path program 1 times [2024-10-14 03:52:25,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:25,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150987676] [2024-10-14 03:52:25,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:25,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:25,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:25,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150987676] [2024-10-14 03:52:25,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150987676] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:25,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:25,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:52:25,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919881729] [2024-10-14 03:52:25,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:25,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 03:52:25,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:25,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 03:52:25,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 03:52:25,400 INFO L87 Difference]: Start difference. First operand 14887 states and 20734 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) [2024-10-14 03:52:25,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:25,521 INFO L93 Difference]: Finished difference Result 14887 states and 20734 transitions. [2024-10-14 03:52:25,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 03:52:25,522 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 [2024-10-14 03:52:25,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:25,543 INFO L225 Difference]: With dead ends: 14887 [2024-10-14 03:52:25,543 INFO L226 Difference]: Without dead ends: 14885 [2024-10-14 03:52:25,550 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 [2024-10-14 03:52:25,551 INFO L432 NwaCegarLoop]: 1178 mSDtfsCounter, 0 mSDsluCounter, 2301 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3479 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:25,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3479 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:52:25,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14885 states. [2024-10-14 03:52:25,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14885 to 14885. [2024-10-14 03:52:25,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14885 states, 14881 states have (on average 1.3908339493313622) internal successors, (20697), 14884 states have internal predecessors, (20697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:25,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14885 states to 14885 states and 20697 transitions. [2024-10-14 03:52:25,823 INFO L78 Accepts]: Start accepts. Automaton has 14885 states and 20697 transitions. Word has length 79 [2024-10-14 03:52:25,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:25,823 INFO L471 AbstractCegarLoop]: Abstraction has 14885 states and 20697 transitions. [2024-10-14 03:52:25,823 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) [2024-10-14 03:52:25,824 INFO L276 IsEmpty]: Start isEmpty. Operand 14885 states and 20697 transitions. [2024-10-14 03:52:25,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-14 03:52:25,838 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:25,838 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] [2024-10-14 03:52:25,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 03:52:25,839 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-14 03:52:25,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:25,839 INFO L85 PathProgramCache]: Analyzing trace with hash -2107548730, now seen corresponding path program 1 times [2024-10-14 03:52:25,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:25,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991792656] [2024-10-14 03:52:25,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:25,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:26,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:26,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:26,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991792656] [2024-10-14 03:52:26,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991792656] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:26,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:26,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:52:26,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122785563] [2024-10-14 03:52:26,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:26,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:52:26,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:26,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:52:26,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:52:26,027 INFO L87 Difference]: Start difference. First operand 14885 states and 20697 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) [2024-10-14 03:52:26,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:26,754 INFO L93 Difference]: Finished difference Result 33333 states and 46323 transitions. [2024-10-14 03:52:26,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:52:26,754 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 [2024-10-14 03:52:26,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:26,775 INFO L225 Difference]: With dead ends: 33333 [2024-10-14 03:52:26,775 INFO L226 Difference]: Without dead ends: 19252 [2024-10-14 03:52:26,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:52:26,790 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 3623 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3623 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:26,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3623 Valid, 780 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 03:52:26,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19252 states. [2024-10-14 03:52:26,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19252 to 19192. [2024-10-14 03:52:27,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19192 states, 19188 states have (on average 1.3772149259954138) internal successors, (26426), 19191 states have internal predecessors, (26426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:27,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19192 states to 19192 states and 26426 transitions. [2024-10-14 03:52:27,026 INFO L78 Accepts]: Start accepts. Automaton has 19192 states and 26426 transitions. Word has length 79 [2024-10-14 03:52:27,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:27,027 INFO L471 AbstractCegarLoop]: Abstraction has 19192 states and 26426 transitions. [2024-10-14 03:52:27,027 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) [2024-10-14 03:52:27,027 INFO L276 IsEmpty]: Start isEmpty. Operand 19192 states and 26426 transitions. [2024-10-14 03:52:27,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 03:52:27,035 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:27,035 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] [2024-10-14 03:52:27,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 03:52:27,035 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-14 03:52:27,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:27,035 INFO L85 PathProgramCache]: Analyzing trace with hash 962616176, now seen corresponding path program 1 times [2024-10-14 03:52:27,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:27,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569164212] [2024-10-14 03:52:27,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:27,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:27,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:27,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:27,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569164212] [2024-10-14 03:52:27,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569164212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:27,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:27,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 03:52:27,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613360871] [2024-10-14 03:52:27,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:27,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:52:27,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:27,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:52:27,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:52:27,238 INFO L87 Difference]: Start difference. First operand 19192 states and 26426 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) [2024-10-14 03:52:28,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:28,304 INFO L93 Difference]: Finished difference Result 40008 states and 55367 transitions. [2024-10-14 03:52:28,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 03:52:28,304 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 [2024-10-14 03:52:28,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:28,341 INFO L225 Difference]: With dead ends: 40008 [2024-10-14 03:52:28,341 INFO L226 Difference]: Without dead ends: 30624 [2024-10-14 03:52:28,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:52:28,353 INFO L432 NwaCegarLoop]: 695 mSDtfsCounter, 4609 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4609 SdHoareTripleChecker+Valid, 1605 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:28,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4609 Valid, 1605 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 03:52:28,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30624 states. [2024-10-14 03:52:28,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30624 to 19276. [2024-10-14 03:52:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19276 states, 19272 states have (on average 1.376816106268161) internal successors, (26534), 19275 states have internal predecessors, (26534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:28,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19276 states to 19276 states and 26534 transitions. [2024-10-14 03:52:28,811 INFO L78 Accepts]: Start accepts. Automaton has 19276 states and 26534 transitions. Word has length 80 [2024-10-14 03:52:28,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:28,811 INFO L471 AbstractCegarLoop]: Abstraction has 19276 states and 26534 transitions. [2024-10-14 03:52:28,812 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) [2024-10-14 03:52:28,812 INFO L276 IsEmpty]: Start isEmpty. Operand 19276 states and 26534 transitions. [2024-10-14 03:52:28,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-14 03:52:28,822 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:28,822 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] [2024-10-14 03:52:28,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 03:52:28,823 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-14 03:52:28,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:28,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1928103402, now seen corresponding path program 1 times [2024-10-14 03:52:28,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:28,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724065997] [2024-10-14 03:52:28,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:28,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:29,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:29,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:29,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724065997] [2024-10-14 03:52:29,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724065997] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:29,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:29,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 03:52:29,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034979548] [2024-10-14 03:52:29,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:29,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:52:29,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:29,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:52:29,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:52:29,065 INFO L87 Difference]: Start difference. First operand 19276 states and 26534 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) [2024-10-14 03:52:30,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:30,127 INFO L93 Difference]: Finished difference Result 43623 states and 60503 transitions. [2024-10-14 03:52:30,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 03:52:30,128 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 [2024-10-14 03:52:30,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:30,169 INFO L225 Difference]: With dead ends: 43623 [2024-10-14 03:52:30,169 INFO L226 Difference]: Without dead ends: 35933 [2024-10-14 03:52:30,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:52:30,184 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 4811 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4811 SdHoareTripleChecker+Valid, 1686 SdHoareTripleChecker+Invalid, 1468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:30,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4811 Valid, 1686 Invalid, 1468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:52:30,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35933 states. [2024-10-14 03:52:30,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35933 to 19783. [2024-10-14 03:52:30,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19783 states, 19779 states have (on average 1.3762070883260022) internal successors, (27220), 19782 states have internal predecessors, (27220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:30,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19783 states to 19783 states and 27220 transitions. [2024-10-14 03:52:30,641 INFO L78 Accepts]: Start accepts. Automaton has 19783 states and 27220 transitions. Word has length 80 [2024-10-14 03:52:30,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:30,642 INFO L471 AbstractCegarLoop]: Abstraction has 19783 states and 27220 transitions. [2024-10-14 03:52:30,642 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) [2024-10-14 03:52:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 19783 states and 27220 transitions. [2024-10-14 03:52:30,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-14 03:52:30,650 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:30,650 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:52:30,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 03:52:30,650 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-14 03:52:30,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:30,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1939475610, now seen corresponding path program 1 times [2024-10-14 03:52:30,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:30,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566085166] [2024-10-14 03:52:30,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:30,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:31,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:31,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:31,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566085166] [2024-10-14 03:52:31,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566085166] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:31,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:31,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:52:31,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882532468] [2024-10-14 03:52:31,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:31,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 03:52:31,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:31,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 03:52:31,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 03:52:31,005 INFO L87 Difference]: Start difference. First operand 19783 states and 27220 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) [2024-10-14 03:52:31,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:31,141 INFO L93 Difference]: Finished difference Result 19783 states and 27220 transitions. [2024-10-14 03:52:31,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 03:52:31,142 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 [2024-10-14 03:52:31,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:31,168 INFO L225 Difference]: With dead ends: 19783 [2024-10-14 03:52:31,168 INFO L226 Difference]: Without dead ends: 19781 [2024-10-14 03:52:31,177 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 [2024-10-14 03:52:31,179 INFO L432 NwaCegarLoop]: 1127 mSDtfsCounter, 0 mSDsluCounter, 2199 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3326 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:31,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3326 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:52:31,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19781 states. [2024-10-14 03:52:31,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19781 to 19781. [2024-10-14 03:52:31,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19781 states, 19778 states have (on average 1.3734958034179392) internal successors, (27165), 19780 states have internal predecessors, (27165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:31,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19781 states to 19781 states and 27165 transitions. [2024-10-14 03:52:31,436 INFO L78 Accepts]: Start accepts. Automaton has 19781 states and 27165 transitions. Word has length 81 [2024-10-14 03:52:31,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:31,436 INFO L471 AbstractCegarLoop]: Abstraction has 19781 states and 27165 transitions. [2024-10-14 03:52:31,436 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) [2024-10-14 03:52:31,436 INFO L276 IsEmpty]: Start isEmpty. Operand 19781 states and 27165 transitions. [2024-10-14 03:52:31,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-14 03:52:31,446 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:31,446 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] [2024-10-14 03:52:31,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 03:52:31,446 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-14 03:52:31,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:31,447 INFO L85 PathProgramCache]: Analyzing trace with hash 590714783, now seen corresponding path program 1 times [2024-10-14 03:52:31,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:31,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16060590] [2024-10-14 03:52:31,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:31,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:31,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:31,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:31,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16060590] [2024-10-14 03:52:31,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16060590] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:31,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:31,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:52:31,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970011923] [2024-10-14 03:52:31,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:31,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 03:52:31,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:31,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 03:52:31,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 03:52:31,762 INFO L87 Difference]: Start difference. First operand 19781 states and 27165 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) [2024-10-14 03:52:31,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:31,886 INFO L93 Difference]: Finished difference Result 19781 states and 27165 transitions. [2024-10-14 03:52:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 03:52:31,887 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 [2024-10-14 03:52:31,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:31,909 INFO L225 Difference]: With dead ends: 19781 [2024-10-14 03:52:31,910 INFO L226 Difference]: Without dead ends: 19779 [2024-10-14 03:52:31,918 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 [2024-10-14 03:52:31,919 INFO L432 NwaCegarLoop]: 1125 mSDtfsCounter, 0 mSDsluCounter, 2195 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3320 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:31,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3320 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:52:31,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19779 states. [2024-10-14 03:52:32,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19779 to 19779. [2024-10-14 03:52:32,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19779 states, 19777 states have (on average 1.370784244324215) internal successors, (27110), 19778 states have internal predecessors, (27110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:32,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19779 states to 19779 states and 27110 transitions. [2024-10-14 03:52:32,304 INFO L78 Accepts]: Start accepts. Automaton has 19779 states and 27110 transitions. Word has length 81 [2024-10-14 03:52:32,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:32,304 INFO L471 AbstractCegarLoop]: Abstraction has 19779 states and 27110 transitions. [2024-10-14 03:52:32,304 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) [2024-10-14 03:52:32,305 INFO L276 IsEmpty]: Start isEmpty. Operand 19779 states and 27110 transitions. [2024-10-14 03:52:32,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-14 03:52:32,317 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:32,317 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] [2024-10-14 03:52:32,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 03:52:32,317 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-14 03:52:32,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:32,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1423178599, now seen corresponding path program 1 times [2024-10-14 03:52:32,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:32,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787694933] [2024-10-14 03:52:32,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:32,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:32,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:32,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:32,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787694933] [2024-10-14 03:52:32,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787694933] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:32,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:32,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:52:32,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465793712] [2024-10-14 03:52:32,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:32,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 03:52:32,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:32,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 03:52:32,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 03:52:32,663 INFO L87 Difference]: Start difference. First operand 19779 states and 27110 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) [2024-10-14 03:52:32,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:32,792 INFO L93 Difference]: Finished difference Result 19779 states and 27110 transitions. [2024-10-14 03:52:32,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 03:52:32,792 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 [2024-10-14 03:52:32,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:32,820 INFO L225 Difference]: With dead ends: 19779 [2024-10-14 03:52:32,820 INFO L226 Difference]: Without dead ends: 19777 [2024-10-14 03:52:32,830 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 [2024-10-14 03:52:32,831 INFO L432 NwaCegarLoop]: 1123 mSDtfsCounter, 0 mSDsluCounter, 2191 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3314 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:32,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3314 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:52:32,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19777 states. [2024-10-14 03:52:33,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19777 to 19777. [2024-10-14 03:52:33,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19777 states, 19776 states have (on average 1.3667071197411003) internal successors, (27028), 19776 states have internal predecessors, (27028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:33,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19777 states to 19777 states and 27028 transitions. [2024-10-14 03:52:33,094 INFO L78 Accepts]: Start accepts. Automaton has 19777 states and 27028 transitions. Word has length 83 [2024-10-14 03:52:33,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:33,095 INFO L471 AbstractCegarLoop]: Abstraction has 19777 states and 27028 transitions. [2024-10-14 03:52:33,095 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) [2024-10-14 03:52:33,095 INFO L276 IsEmpty]: Start isEmpty. Operand 19777 states and 27028 transitions. [2024-10-14 03:52:33,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-14 03:52:33,105 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:33,105 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] [2024-10-14 03:52:33,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 03:52:33,106 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-14 03:52:33,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:33,106 INFO L85 PathProgramCache]: Analyzing trace with hash -2019204519, now seen corresponding path program 1 times [2024-10-14 03:52:33,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:33,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412678836] [2024-10-14 03:52:33,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:33,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:33,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:33,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:33,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412678836] [2024-10-14 03:52:33,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412678836] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:33,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:33,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:52:33,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772516151] [2024-10-14 03:52:33,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:33,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:52:33,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:33,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:52:33,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:52:33,470 INFO L87 Difference]: Start difference. First operand 19777 states and 27028 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 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) [2024-10-14 03:52:34,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:34,582 INFO L93 Difference]: Finished difference Result 40872 states and 56726 transitions. [2024-10-14 03:52:34,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:52:34,583 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 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 [2024-10-14 03:52:34,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:34,618 INFO L225 Difference]: With dead ends: 40872 [2024-10-14 03:52:34,618 INFO L226 Difference]: Without dead ends: 29624 [2024-10-14 03:52:34,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:52:34,634 INFO L432 NwaCegarLoop]: 697 mSDtfsCounter, 3599 mSDsluCounter, 2051 mSDsCounter, 0 mSdLazyCounter, 1944 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 2748 SdHoareTripleChecker+Invalid, 1980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:34,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3599 Valid, 2748 Invalid, 1980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1944 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:52:34,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29624 states. [2024-10-14 03:52:34,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29624 to 19743. [2024-10-14 03:52:34,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19743 states, 19742 states have (on average 1.3664269071016109) internal successors, (26976), 19742 states have internal predecessors, (26976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:34,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19743 states to 19743 states and 26976 transitions. [2024-10-14 03:52:34,994 INFO L78 Accepts]: Start accepts. Automaton has 19743 states and 26976 transitions. Word has length 84 [2024-10-14 03:52:34,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:34,994 INFO L471 AbstractCegarLoop]: Abstraction has 19743 states and 26976 transitions. [2024-10-14 03:52:34,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 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) [2024-10-14 03:52:34,994 INFO L276 IsEmpty]: Start isEmpty. Operand 19743 states and 26976 transitions. [2024-10-14 03:52:35,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-14 03:52:35,004 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:35,004 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] [2024-10-14 03:52:35,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-14 03:52:35,004 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)] === [2024-10-14 03:52:35,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:35,005 INFO L85 PathProgramCache]: Analyzing trace with hash 956681155, now seen corresponding path program 1 times [2024-10-14 03:52:35,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:35,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713591818] [2024-10-14 03:52:35,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:35,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:35,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:35,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713591818] [2024-10-14 03:52:35,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713591818] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:35,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:35,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 03:52:35,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652267968] [2024-10-14 03:52:35,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:35,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:52:35,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:35,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:52:35,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:52:35,183 INFO L87 Difference]: Start difference. First operand 19743 states and 26976 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) [2024-10-14 03:52:36,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:36,040 INFO L93 Difference]: Finished difference Result 46847 states and 65063 transitions. [2024-10-14 03:52:36,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 03:52:36,041 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 [2024-10-14 03:52:36,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:36,081 INFO L225 Difference]: With dead ends: 46847 [2024-10-14 03:52:36,081 INFO L226 Difference]: Without dead ends: 39283 [2024-10-14 03:52:36,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:52:36,098 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 4835 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4835 SdHoareTripleChecker+Valid, 1694 SdHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:36,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4835 Valid, 1694 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 03:52:36,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39283 states. [2024-10-14 03:52:36,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39283 to 19803. [2024-10-14 03:52:36,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19803 states, 19802 states have (on average 1.3663266336733664) internal successors, (27056), 19802 states have internal predecessors, (27056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:36,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19803 states to 19803 states and 27056 transitions. [2024-10-14 03:52:36,461 INFO L78 Accepts]: Start accepts. Automaton has 19803 states and 27056 transitions. Word has length 84 [2024-10-14 03:52:36,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:36,461 INFO L471 AbstractCegarLoop]: Abstraction has 19803 states and 27056 transitions. [2024-10-14 03:52:36,461 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) [2024-10-14 03:52:36,461 INFO L276 IsEmpty]: Start isEmpty. Operand 19803 states and 27056 transitions. [2024-10-14 03:52:36,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-14 03:52:36,470 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:36,470 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] [2024-10-14 03:52:36,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-14 03:52:36,470 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)] === [2024-10-14 03:52:36,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:36,471 INFO L85 PathProgramCache]: Analyzing trace with hash -227130721, now seen corresponding path program 1 times [2024-10-14 03:52:36,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:36,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736899446] [2024-10-14 03:52:36,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:36,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:36,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:36,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:36,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736899446] [2024-10-14 03:52:36,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736899446] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:36,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:36,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 03:52:36,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201402321] [2024-10-14 03:52:36,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:36,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:52:36,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:36,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:52:36,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:52:36,718 INFO L87 Difference]: Start difference. First operand 19803 states and 27056 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) [2024-10-14 03:52:37,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:37,770 INFO L93 Difference]: Finished difference Result 43417 states and 60026 transitions. [2024-10-14 03:52:37,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 03:52:37,771 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 [2024-10-14 03:52:37,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:37,815 INFO L225 Difference]: With dead ends: 43417 [2024-10-14 03:52:37,815 INFO L226 Difference]: Without dead ends: 35945 [2024-10-14 03:52:37,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:52:37,835 INFO L432 NwaCegarLoop]: 619 mSDtfsCounter, 4776 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4776 SdHoareTripleChecker+Valid, 1674 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:37,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4776 Valid, 1674 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 03:52:37,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35945 states. [2024-10-14 03:52:38,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35945 to 19893. [2024-10-14 03:52:38,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19893 states, 19892 states have (on average 1.3661773577317515) internal successors, (27176), 19892 states have internal predecessors, (27176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:38,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19893 states to 19893 states and 27176 transitions. [2024-10-14 03:52:38,353 INFO L78 Accepts]: Start accepts. Automaton has 19893 states and 27176 transitions. Word has length 84 [2024-10-14 03:52:38,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:38,353 INFO L471 AbstractCegarLoop]: Abstraction has 19893 states and 27176 transitions. [2024-10-14 03:52:38,354 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) [2024-10-14 03:52:38,354 INFO L276 IsEmpty]: Start isEmpty. Operand 19893 states and 27176 transitions. [2024-10-14 03:52:38,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-14 03:52:38,366 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:38,366 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] [2024-10-14 03:52:38,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-14 03:52:38,367 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)] === [2024-10-14 03:52:38,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:38,367 INFO L85 PathProgramCache]: Analyzing trace with hash 2120097326, now seen corresponding path program 1 times [2024-10-14 03:52:38,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:38,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448443541] [2024-10-14 03:52:38,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:38,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:38,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:38,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:38,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448443541] [2024-10-14 03:52:38,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448443541] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:38,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:38,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:52:38,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297625512] [2024-10-14 03:52:38,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:38,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:52:38,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:38,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:52:38,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:52:38,776 INFO L87 Difference]: Start difference. First operand 19893 states and 27176 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 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) [2024-10-14 03:52:40,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:40,163 INFO L93 Difference]: Finished difference Result 40343 states and 55943 transitions. [2024-10-14 03:52:40,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:52:40,164 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 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 [2024-10-14 03:52:40,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:40,200 INFO L225 Difference]: With dead ends: 40343 [2024-10-14 03:52:40,200 INFO L226 Difference]: Without dead ends: 29151 [2024-10-14 03:52:40,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:52:40,216 INFO L432 NwaCegarLoop]: 729 mSDtfsCounter, 2546 mSDsluCounter, 2490 mSDsCounter, 0 mSdLazyCounter, 2460 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2546 SdHoareTripleChecker+Valid, 3219 SdHoareTripleChecker+Invalid, 2488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:40,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2546 Valid, 3219 Invalid, 2488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2460 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 03:52:40,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29151 states. [2024-10-14 03:52:40,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29151 to 19887. [2024-10-14 03:52:40,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19887 states, 19886 states have (on average 1.3656844010861913) internal successors, (27158), 19886 states have internal predecessors, (27158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:40,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19887 states to 19887 states and 27158 transitions. [2024-10-14 03:52:40,544 INFO L78 Accepts]: Start accepts. Automaton has 19887 states and 27158 transitions. Word has length 84 [2024-10-14 03:52:40,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:40,544 INFO L471 AbstractCegarLoop]: Abstraction has 19887 states and 27158 transitions. [2024-10-14 03:52:40,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 7 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) [2024-10-14 03:52:40,544 INFO L276 IsEmpty]: Start isEmpty. Operand 19887 states and 27158 transitions. [2024-10-14 03:52:40,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-14 03:52:40,553 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:40,553 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] [2024-10-14 03:52:40,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-14 03:52:40,554 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)] === [2024-10-14 03:52:40,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:40,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1464495189, now seen corresponding path program 1 times [2024-10-14 03:52:40,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:40,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786585488] [2024-10-14 03:52:40,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:40,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:40,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:40,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:40,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786585488] [2024-10-14 03:52:40,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786585488] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:40,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:40,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 03:52:40,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654114128] [2024-10-14 03:52:40,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:40,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 03:52:40,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:40,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 03:52:40,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:52:40,960 INFO L87 Difference]: Start difference. First operand 19887 states and 27158 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) [2024-10-14 03:52:42,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:42,621 INFO L93 Difference]: Finished difference Result 32460 states and 44505 transitions. [2024-10-14 03:52:42,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:52:42,621 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 [2024-10-14 03:52:42,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:42,652 INFO L225 Difference]: With dead ends: 32460 [2024-10-14 03:52:42,653 INFO L226 Difference]: Without dead ends: 28543 [2024-10-14 03:52:42,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-14 03:52:42,664 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 3262 mSDsluCounter, 2844 mSDsCounter, 0 mSdLazyCounter, 2939 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3262 SdHoareTripleChecker+Valid, 3476 SdHoareTripleChecker+Invalid, 2946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:42,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3262 Valid, 3476 Invalid, 2946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2939 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-14 03:52:42,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28543 states. [2024-10-14 03:52:42,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28543 to 19891. [2024-10-14 03:52:42,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19891 states, 19890 states have (on average 1.365560583207642) internal successors, (27161), 19890 states have internal predecessors, (27161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:42,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19891 states to 19891 states and 27161 transitions. [2024-10-14 03:52:42,937 INFO L78 Accepts]: Start accepts. Automaton has 19891 states and 27161 transitions. Word has length 84 [2024-10-14 03:52:42,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:42,937 INFO L471 AbstractCegarLoop]: Abstraction has 19891 states and 27161 transitions. [2024-10-14 03:52:42,937 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) [2024-10-14 03:52:42,937 INFO L276 IsEmpty]: Start isEmpty. Operand 19891 states and 27161 transitions. [2024-10-14 03:52:42,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-14 03:52:42,946 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:42,946 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:52:42,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-14 03:52:42,947 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)] === [2024-10-14 03:52:42,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:42,947 INFO L85 PathProgramCache]: Analyzing trace with hash -744482725, now seen corresponding path program 1 times [2024-10-14 03:52:42,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:42,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726211402] [2024-10-14 03:52:42,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:42,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:43,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:43,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726211402] [2024-10-14 03:52:43,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726211402] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:43,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:43,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:52:43,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873950641] [2024-10-14 03:52:43,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:43,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:52:43,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:43,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:52:43,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:52:43,300 INFO L87 Difference]: Start difference. First operand 19891 states and 27161 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:44,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:44,470 INFO L93 Difference]: Finished difference Result 41116 states and 57065 transitions. [2024-10-14 03:52:44,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 03:52:44,471 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-10-14 03:52:44,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:44,504 INFO L225 Difference]: With dead ends: 41116 [2024-10-14 03:52:44,504 INFO L226 Difference]: Without dead ends: 29476 [2024-10-14 03:52:44,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-14 03:52:44,519 INFO L432 NwaCegarLoop]: 689 mSDtfsCounter, 3629 mSDsluCounter, 2445 mSDsCounter, 0 mSdLazyCounter, 2107 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3629 SdHoareTripleChecker+Valid, 3134 SdHoareTripleChecker+Invalid, 2139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:44,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3629 Valid, 3134 Invalid, 2139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2107 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:52:44,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29476 states. [2024-10-14 03:52:44,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29476 to 19649. [2024-10-14 03:52:44,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19649 states, 19648 states have (on average 1.3655842833876222) internal successors, (26831), 19648 states have internal predecessors, (26831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:44,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19649 states to 19649 states and 26831 transitions. [2024-10-14 03:52:44,797 INFO L78 Accepts]: Start accepts. Automaton has 19649 states and 26831 transitions. Word has length 85 [2024-10-14 03:52:44,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:44,797 INFO L471 AbstractCegarLoop]: Abstraction has 19649 states and 26831 transitions. [2024-10-14 03:52:44,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:44,798 INFO L276 IsEmpty]: Start isEmpty. Operand 19649 states and 26831 transitions. [2024-10-14 03:52:44,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-14 03:52:44,810 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:44,810 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:52:44,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-14 03:52:44,811 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)] === [2024-10-14 03:52:44,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:44,811 INFO L85 PathProgramCache]: Analyzing trace with hash -559336827, now seen corresponding path program 1 times [2024-10-14 03:52:44,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:44,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418589781] [2024-10-14 03:52:44,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:44,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:45,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:45,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:45,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418589781] [2024-10-14 03:52:45,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418589781] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:45,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:45,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 03:52:45,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389925491] [2024-10-14 03:52:45,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:45,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:52:45,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:45,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:52:45,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:52:45,565 INFO L87 Difference]: Start difference. First operand 19649 states and 26831 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:46,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:46,496 INFO L93 Difference]: Finished difference Result 44060 states and 61399 transitions. [2024-10-14 03:52:46,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 03:52:46,497 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-10-14 03:52:46,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:46,525 INFO L225 Difference]: With dead ends: 44060 [2024-10-14 03:52:46,525 INFO L226 Difference]: Without dead ends: 32750 [2024-10-14 03:52:46,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-10-14 03:52:46,531 INFO L432 NwaCegarLoop]: 1014 mSDtfsCounter, 6461 mSDsluCounter, 3432 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6461 SdHoareTripleChecker+Valid, 4446 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:46,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6461 Valid, 4446 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:52:46,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32750 states. [2024-10-14 03:52:46,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32750 to 19519. [2024-10-14 03:52:46,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19519 states, 19518 states have (on average 1.3654575263859001) internal successors, (26651), 19518 states have internal predecessors, (26651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:46,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19519 states to 19519 states and 26651 transitions. [2024-10-14 03:52:46,778 INFO L78 Accepts]: Start accepts. Automaton has 19519 states and 26651 transitions. Word has length 85 [2024-10-14 03:52:46,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:46,778 INFO L471 AbstractCegarLoop]: Abstraction has 19519 states and 26651 transitions. [2024-10-14 03:52:46,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:46,779 INFO L276 IsEmpty]: Start isEmpty. Operand 19519 states and 26651 transitions. [2024-10-14 03:52:46,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-14 03:52:46,789 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:46,789 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:52:46,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-14 03:52:46,790 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)] === [2024-10-14 03:52:46,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:46,791 INFO L85 PathProgramCache]: Analyzing trace with hash -951414785, now seen corresponding path program 1 times [2024-10-14 03:52:46,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:46,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773811064] [2024-10-14 03:52:46,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:46,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:46,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:46,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:46,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773811064] [2024-10-14 03:52:46,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773811064] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:46,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:46,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 03:52:46,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856841711] [2024-10-14 03:52:46,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:46,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:52:46,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:46,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:52:46,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:52:46,959 INFO L87 Difference]: Start difference. First operand 19519 states and 26651 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) [2024-10-14 03:52:48,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:48,047 INFO L93 Difference]: Finished difference Result 43111 states and 59607 transitions. [2024-10-14 03:52:48,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 03:52:48,047 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 [2024-10-14 03:52:48,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:48,084 INFO L225 Difference]: With dead ends: 43111 [2024-10-14 03:52:48,084 INFO L226 Difference]: Without dead ends: 35603 [2024-10-14 03:52:48,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:52:48,098 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 4620 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4620 SdHoareTripleChecker+Valid, 1640 SdHoareTripleChecker+Invalid, 1410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:48,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4620 Valid, 1640 Invalid, 1410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:52:48,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35603 states. [2024-10-14 03:52:48,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35603 to 19714. [2024-10-14 03:52:48,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19714 states, 19713 states have (on average 1.3653933952214274) internal successors, (26916), 19713 states have internal predecessors, (26916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:48,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19714 states to 19714 states and 26916 transitions. [2024-10-14 03:52:48,421 INFO L78 Accepts]: Start accepts. Automaton has 19714 states and 26916 transitions. Word has length 85 [2024-10-14 03:52:48,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:48,422 INFO L471 AbstractCegarLoop]: Abstraction has 19714 states and 26916 transitions. [2024-10-14 03:52:48,422 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) [2024-10-14 03:52:48,422 INFO L276 IsEmpty]: Start isEmpty. Operand 19714 states and 26916 transitions. [2024-10-14 03:52:48,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-14 03:52:48,432 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:48,432 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:52:48,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-14 03:52:48,432 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)] === [2024-10-14 03:52:48,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:48,432 INFO L85 PathProgramCache]: Analyzing trace with hash 469920257, now seen corresponding path program 1 times [2024-10-14 03:52:48,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:48,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571429910] [2024-10-14 03:52:48,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:48,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:48,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:48,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:48,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571429910] [2024-10-14 03:52:48,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571429910] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:48,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:48,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 03:52:48,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184435642] [2024-10-14 03:52:48,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:48,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:52:48,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:48,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:52:48,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:52:48,982 INFO L87 Difference]: Start difference. First operand 19714 states and 26916 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:49,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:49,750 INFO L93 Difference]: Finished difference Result 44024 states and 61367 transitions. [2024-10-14 03:52:49,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 03:52:49,750 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-10-14 03:52:49,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:49,788 INFO L225 Difference]: With dead ends: 44024 [2024-10-14 03:52:49,788 INFO L226 Difference]: Without dead ends: 32148 [2024-10-14 03:52:49,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-10-14 03:52:49,806 INFO L432 NwaCegarLoop]: 981 mSDtfsCounter, 7137 mSDsluCounter, 3661 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7137 SdHoareTripleChecker+Valid, 4642 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:49,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7137 Valid, 4642 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:52:49,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32148 states. [2024-10-14 03:52:50,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32148 to 18998. [2024-10-14 03:52:50,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18998 states, 18997 states have (on average 1.3671632363004684) internal successors, (25972), 18997 states have internal predecessors, (25972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:50,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18998 states to 18998 states and 25972 transitions. [2024-10-14 03:52:50,155 INFO L78 Accepts]: Start accepts. Automaton has 18998 states and 25972 transitions. Word has length 85 [2024-10-14 03:52:50,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:50,155 INFO L471 AbstractCegarLoop]: Abstraction has 18998 states and 25972 transitions. [2024-10-14 03:52:50,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:50,155 INFO L276 IsEmpty]: Start isEmpty. Operand 18998 states and 25972 transitions. [2024-10-14 03:52:50,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-14 03:52:50,163 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:50,164 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:52:50,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-14 03:52:50,164 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)] === [2024-10-14 03:52:50,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:50,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1373868072, now seen corresponding path program 1 times [2024-10-14 03:52:50,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:50,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710267216] [2024-10-14 03:52:50,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:50,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:50,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:50,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:50,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710267216] [2024-10-14 03:52:50,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710267216] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:50,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:50,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 03:52:50,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473480373] [2024-10-14 03:52:50,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:50,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:52:50,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:50,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:52:50,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:52:50,618 INFO L87 Difference]: Start difference. First operand 18998 states and 25972 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:52,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:52,295 INFO L93 Difference]: Finished difference Result 41364 states and 57219 transitions. [2024-10-14 03:52:52,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 03:52:52,295 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-10-14 03:52:52,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:52,327 INFO L225 Difference]: With dead ends: 41364 [2024-10-14 03:52:52,327 INFO L226 Difference]: Without dead ends: 28456 [2024-10-14 03:52:52,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2024-10-14 03:52:52,343 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 2957 mSDsluCounter, 3377 mSDsCounter, 0 mSdLazyCounter, 2875 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2957 SdHoareTripleChecker+Valid, 4015 SdHoareTripleChecker+Invalid, 2969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 2875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:52,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2957 Valid, 4015 Invalid, 2969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 2875 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 03:52:52,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28456 states. [2024-10-14 03:52:52,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28456 to 18946. [2024-10-14 03:52:52,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18946 states, 18945 states have (on average 1.3645816838215887) internal successors, (25852), 18945 states have internal predecessors, (25852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:52,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18946 states to 18946 states and 25852 transitions. [2024-10-14 03:52:52,615 INFO L78 Accepts]: Start accepts. Automaton has 18946 states and 25852 transitions. Word has length 85 [2024-10-14 03:52:52,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:52,615 INFO L471 AbstractCegarLoop]: Abstraction has 18946 states and 25852 transitions. [2024-10-14 03:52:52,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:52,616 INFO L276 IsEmpty]: Start isEmpty. Operand 18946 states and 25852 transitions. [2024-10-14 03:52:52,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-14 03:52:52,624 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:52,624 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:52:52,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-14 03:52:52,624 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)] === [2024-10-14 03:52:52,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:52,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1366181287, now seen corresponding path program 1 times [2024-10-14 03:52:52,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:52,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747063202] [2024-10-14 03:52:52,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:52,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:53,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:53,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:53,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747063202] [2024-10-14 03:52:53,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747063202] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:53,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:53,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 03:52:53,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071122644] [2024-10-14 03:52:53,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:53,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:52:53,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:53,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:52:53,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:52:53,178 INFO L87 Difference]: Start difference. First operand 18946 states and 25852 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:53,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:53,971 INFO L93 Difference]: Finished difference Result 43481 states and 60550 transitions. [2024-10-14 03:52:53,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 03:52:53,971 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2024-10-14 03:52:53,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:54,007 INFO L225 Difference]: With dead ends: 43481 [2024-10-14 03:52:54,007 INFO L226 Difference]: Without dead ends: 31949 [2024-10-14 03:52:54,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-10-14 03:52:54,024 INFO L432 NwaCegarLoop]: 1013 mSDtfsCounter, 6920 mSDsluCounter, 3748 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6920 SdHoareTripleChecker+Valid, 4761 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:54,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6920 Valid, 4761 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 03:52:54,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31949 states. [2024-10-14 03:52:54,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31949 to 18574. [2024-10-14 03:52:54,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18574 states, 18573 states have (on average 1.3658536585365855) internal successors, (25368), 18573 states have internal predecessors, (25368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:54,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18574 states to 18574 states and 25368 transitions. [2024-10-14 03:52:54,398 INFO L78 Accepts]: Start accepts. Automaton has 18574 states and 25368 transitions. Word has length 85 [2024-10-14 03:52:54,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:54,398 INFO L471 AbstractCegarLoop]: Abstraction has 18574 states and 25368 transitions. [2024-10-14 03:52:54,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 11 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:54,399 INFO L276 IsEmpty]: Start isEmpty. Operand 18574 states and 25368 transitions. [2024-10-14 03:52:54,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-14 03:52:54,409 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:54,410 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:52:54,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-14 03:52:54,410 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)] === [2024-10-14 03:52:54,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:54,411 INFO L85 PathProgramCache]: Analyzing trace with hash -349720574, now seen corresponding path program 1 times [2024-10-14 03:52:54,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:54,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084275991] [2024-10-14 03:52:54,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:54,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:54,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:54,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:54,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084275991] [2024-10-14 03:52:54,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084275991] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:54,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:54,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:52:54,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691821160] [2024-10-14 03:52:54,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:54,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:52:54,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:54,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:52:54,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:52:54,516 INFO L87 Difference]: Start difference. First operand 18574 states and 25368 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:54,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:54,638 INFO L93 Difference]: Finished difference Result 27351 states and 37638 transitions. [2024-10-14 03:52:54,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:52:54,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-10-14 03:52:54,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:54,659 INFO L225 Difference]: With dead ends: 27351 [2024-10-14 03:52:54,659 INFO L226 Difference]: Without dead ends: 18576 [2024-10-14 03:52:54,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:52:54,672 INFO L432 NwaCegarLoop]: 1313 mSDtfsCounter, 646 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 2236 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:54,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [646 Valid, 2236 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:52:54,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18576 states. [2024-10-14 03:52:54,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18576 to 18574. [2024-10-14 03:52:54,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18574 states, 18573 states have (on average 1.3558929629031389) internal successors, (25183), 18573 states have internal predecessors, (25183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:54,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18574 states to 18574 states and 25183 transitions. [2024-10-14 03:52:54,937 INFO L78 Accepts]: Start accepts. Automaton has 18574 states and 25183 transitions. Word has length 86 [2024-10-14 03:52:54,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:54,938 INFO L471 AbstractCegarLoop]: Abstraction has 18574 states and 25183 transitions. [2024-10-14 03:52:54,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:54,938 INFO L276 IsEmpty]: Start isEmpty. Operand 18574 states and 25183 transitions. [2024-10-14 03:52:54,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-14 03:52:54,948 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:54,948 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:52:54,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-14 03:52:54,948 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)] === [2024-10-14 03:52:54,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:54,949 INFO L85 PathProgramCache]: Analyzing trace with hash -439822029, now seen corresponding path program 1 times [2024-10-14 03:52:54,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:54,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232666619] [2024-10-14 03:52:54,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:54,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:55,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:55,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:55,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232666619] [2024-10-14 03:52:55,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232666619] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:55,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:55,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:52:55,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114768669] [2024-10-14 03:52:55,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:55,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:52:55,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:55,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:52:55,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:52:55,313 INFO L87 Difference]: Start difference. First operand 18574 states and 25183 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:56,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:56,426 INFO L93 Difference]: Finished difference Result 38898 states and 53723 transitions. [2024-10-14 03:52:56,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 03:52:56,427 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2024-10-14 03:52:56,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:56,459 INFO L225 Difference]: With dead ends: 38898 [2024-10-14 03:52:56,459 INFO L226 Difference]: Without dead ends: 27546 [2024-10-14 03:52:56,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-14 03:52:56,475 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 2618 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 1691 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2618 SdHoareTripleChecker+Valid, 2468 SdHoareTripleChecker+Invalid, 1724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:56,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2618 Valid, 2468 Invalid, 1724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1691 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 03:52:56,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27546 states. [2024-10-14 03:52:56,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27546 to 18488. [2024-10-14 03:52:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18488 states, 18487 states have (on average 1.3554930491696868) internal successors, (25059), 18487 states have internal predecessors, (25059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:56,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18488 states to 18488 states and 25059 transitions. [2024-10-14 03:52:56,745 INFO L78 Accepts]: Start accepts. Automaton has 18488 states and 25059 transitions. Word has length 86 [2024-10-14 03:52:56,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:56,745 INFO L471 AbstractCegarLoop]: Abstraction has 18488 states and 25059 transitions. [2024-10-14 03:52:56,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:56,745 INFO L276 IsEmpty]: Start isEmpty. Operand 18488 states and 25059 transitions. [2024-10-14 03:52:56,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-14 03:52:56,754 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:56,754 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:52:56,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-14 03:52:56,754 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)] === [2024-10-14 03:52:56,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:56,755 INFO L85 PathProgramCache]: Analyzing trace with hash 92171085, now seen corresponding path program 1 times [2024-10-14 03:52:56,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:56,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229243007] [2024-10-14 03:52:56,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:56,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:56,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:56,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:56,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229243007] [2024-10-14 03:52:56,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229243007] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:56,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:56,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 03:52:56,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826801831] [2024-10-14 03:52:56,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:56,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:52:56,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:56,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:52:56,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:52:56,917 INFO L87 Difference]: Start difference. First operand 18488 states and 25059 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) [2024-10-14 03:52:57,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:57,697 INFO L93 Difference]: Finished difference Result 44390 states and 61324 transitions. [2024-10-14 03:52:57,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 03:52:57,697 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 [2024-10-14 03:52:57,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:57,739 INFO L225 Difference]: With dead ends: 44390 [2024-10-14 03:52:57,739 INFO L226 Difference]: Without dead ends: 41462 [2024-10-14 03:52:57,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:52:57,754 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 4528 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4528 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:57,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4528 Valid, 1607 Invalid, 1195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1086 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 03:52:57,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41462 states. [2024-10-14 03:52:58,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41462 to 18563. [2024-10-14 03:52:58,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18563 states, 18562 states have (on average 1.3548647775024243) internal successors, (25149), 18562 states have internal predecessors, (25149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:52:58,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18563 states to 18563 states and 25149 transitions. [2024-10-14 03:52:58,078 INFO L78 Accepts]: Start accepts. Automaton has 18563 states and 25149 transitions. Word has length 86 [2024-10-14 03:52:58,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:52:58,078 INFO L471 AbstractCegarLoop]: Abstraction has 18563 states and 25149 transitions. [2024-10-14 03:52:58,078 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) [2024-10-14 03:52:58,078 INFO L276 IsEmpty]: Start isEmpty. Operand 18563 states and 25149 transitions. [2024-10-14 03:52:58,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-14 03:52:58,087 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:52:58,087 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:52:58,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-14 03:52:58,087 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)] === [2024-10-14 03:52:58,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:52:58,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1301683267, now seen corresponding path program 1 times [2024-10-14 03:52:58,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:52:58,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106043839] [2024-10-14 03:52:58,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:52:58,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:52:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:52:58,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:52:58,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:52:58,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106043839] [2024-10-14 03:52:58,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106043839] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:52:58,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:52:58,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 03:52:58,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824309796] [2024-10-14 03:52:58,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:52:58,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 03:52:58,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:52:58,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 03:52:58,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:52:58,419 INFO L87 Difference]: Start difference. First operand 18563 states and 25149 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) [2024-10-14 03:52:59,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:52:59,658 INFO L93 Difference]: Finished difference Result 44797 states and 61728 transitions. [2024-10-14 03:52:59,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 03:52:59,659 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 [2024-10-14 03:52:59,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:52:59,697 INFO L225 Difference]: With dead ends: 44797 [2024-10-14 03:52:59,697 INFO L226 Difference]: Without dead ends: 32563 [2024-10-14 03:52:59,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2024-10-14 03:52:59,712 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 3864 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 2011 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3864 SdHoareTripleChecker+Valid, 3087 SdHoareTripleChecker+Invalid, 2038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:52:59,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3864 Valid, 3087 Invalid, 2038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2011 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:52:59,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32563 states. [2024-10-14 03:52:59,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32563 to 18021. [2024-10-14 03:52:59,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18021 states, 18020 states have (on average 1.3552719200887902) internal successors, (24422), 18020 states have internal predecessors, (24422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:53:00,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18021 states to 18021 states and 24422 transitions. [2024-10-14 03:53:00,008 INFO L78 Accepts]: Start accepts. Automaton has 18021 states and 24422 transitions. Word has length 86 [2024-10-14 03:53:00,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:53:00,008 INFO L471 AbstractCegarLoop]: Abstraction has 18021 states and 24422 transitions. [2024-10-14 03:53:00,009 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) [2024-10-14 03:53:00,009 INFO L276 IsEmpty]: Start isEmpty. Operand 18021 states and 24422 transitions. [2024-10-14 03:53:00,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-14 03:53:00,017 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:53:00,017 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:53:00,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-14 03:53:00,018 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)] === [2024-10-14 03:53:00,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:53:00,018 INFO L85 PathProgramCache]: Analyzing trace with hash 544466239, now seen corresponding path program 1 times [2024-10-14 03:53:00,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:53:00,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482495174] [2024-10-14 03:53:00,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:53:00,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:53:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:53:00,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:53:00,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:53:00,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482495174] [2024-10-14 03:53:00,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482495174] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:53:00,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:53:00,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 03:53:00,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014136154] [2024-10-14 03:53:00,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:53:00,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 03:53:00,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:53:00,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 03:53:00,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 03:53:00,184 INFO L87 Difference]: Start difference. First operand 18021 states and 24422 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:53:01,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:53:01,032 INFO L93 Difference]: Finished difference Result 41292 states and 56743 transitions. [2024-10-14 03:53:01,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 03:53:01,033 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-10-14 03:53:01,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:53:01,070 INFO L225 Difference]: With dead ends: 41292 [2024-10-14 03:53:01,070 INFO L226 Difference]: Without dead ends: 33844 [2024-10-14 03:53:01,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:53:01,085 INFO L432 NwaCegarLoop]: 581 mSDtfsCounter, 4389 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 1217 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4389 SdHoareTripleChecker+Valid, 1586 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 03:53:01,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4389 Valid, 1586 Invalid, 1327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1217 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 03:53:01,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33844 states. [2024-10-14 03:53:01,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33844 to 18103. [2024-10-14 03:53:01,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18103 states, 18102 states have (on average 1.3548779140426472) internal successors, (24526), 18102 states have internal predecessors, (24526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:53:01,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18103 states to 18103 states and 24526 transitions. [2024-10-14 03:53:01,402 INFO L78 Accepts]: Start accepts. Automaton has 18103 states and 24526 transitions. Word has length 87 [2024-10-14 03:53:01,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:53:01,402 INFO L471 AbstractCegarLoop]: Abstraction has 18103 states and 24526 transitions. [2024-10-14 03:53:01,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:53:01,403 INFO L276 IsEmpty]: Start isEmpty. Operand 18103 states and 24526 transitions. [2024-10-14 03:53:01,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-14 03:53:01,412 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:53:01,412 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:53:01,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-14 03:53:01,413 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)] === [2024-10-14 03:53:01,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:53:01,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1215457794, now seen corresponding path program 1 times [2024-10-14 03:53:01,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:53:01,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169041148] [2024-10-14 03:53:01,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:53:01,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:53:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:53:01,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:53:01,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:53:01,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169041148] [2024-10-14 03:53:01,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169041148] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:53:01,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:53:01,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 03:53:01,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661539696] [2024-10-14 03:53:01,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:53:01,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 03:53:01,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:53:01,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 03:53:01,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-10-14 03:53:01,942 INFO L87 Difference]: Start difference. First operand 18103 states and 24526 transitions. Second operand has 13 states, 13 states have (on average 6.6923076923076925) 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) [2024-10-14 03:53:02,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:53:02,929 INFO L93 Difference]: Finished difference Result 38415 states and 53024 transitions. [2024-10-14 03:53:02,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 03:53:02,929 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.6923076923076925) 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 [2024-10-14 03:53:02,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:53:02,962 INFO L225 Difference]: With dead ends: 38415 [2024-10-14 03:53:02,962 INFO L226 Difference]: Without dead ends: 33335 [2024-10-14 03:53:02,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2024-10-14 03:53:02,975 INFO L432 NwaCegarLoop]: 829 mSDtfsCounter, 5796 mSDsluCounter, 3823 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5796 SdHoareTripleChecker+Valid, 4652 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 03:53:02,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5796 Valid, 4652 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 03:53:02,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33335 states. [2024-10-14 03:53:03,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33335 to 18117. [2024-10-14 03:53:03,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18117 states, 18116 states have (on average 1.3549348642084345) internal successors, (24546), 18116 states have internal predecessors, (24546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:53:03,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18117 states to 18117 states and 24546 transitions. [2024-10-14 03:53:03,220 INFO L78 Accepts]: Start accepts. Automaton has 18117 states and 24546 transitions. Word has length 87 [2024-10-14 03:53:03,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:53:03,220 INFO L471 AbstractCegarLoop]: Abstraction has 18117 states and 24546 transitions. [2024-10-14 03:53:03,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.6923076923076925) 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) [2024-10-14 03:53:03,221 INFO L276 IsEmpty]: Start isEmpty. Operand 18117 states and 24546 transitions. [2024-10-14 03:53:03,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-14 03:53:03,228 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:53:03,229 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:53:03,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-14 03:53:03,229 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)] === [2024-10-14 03:53:03,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:53:03,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1106847569, now seen corresponding path program 1 times [2024-10-14 03:53:03,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:53:03,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617160718] [2024-10-14 03:53:03,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:53:03,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:53:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:53:03,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:53:03,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:53:03,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617160718] [2024-10-14 03:53:03,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617160718] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:53:03,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:53:03,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:53:03,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615215873] [2024-10-14 03:53:03,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:53:03,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:53:03,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:53:03,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:53:03,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:53:03,300 INFO L87 Difference]: Start difference. First operand 18117 states and 24546 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:53:03,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:53:03,448 INFO L93 Difference]: Finished difference Result 32728 states and 44706 transitions. [2024-10-14 03:53:03,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:53:03,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-10-14 03:53:03,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:53:03,473 INFO L225 Difference]: With dead ends: 32728 [2024-10-14 03:53:03,473 INFO L226 Difference]: Without dead ends: 22182 [2024-10-14 03:53:03,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:53:03,486 INFO L432 NwaCegarLoop]: 1073 mSDtfsCounter, 958 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 958 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 03:53:03,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [958 Valid, 1365 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 03:53:03,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22182 states. [2024-10-14 03:53:03,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22182 to 17010. [2024-10-14 03:53:03,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17010 states, 17009 states have (on average 1.3579869480863072) internal successors, (23098), 17009 states have internal predecessors, (23098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:53:03,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17010 states to 17010 states and 23098 transitions. [2024-10-14 03:53:03,757 INFO L78 Accepts]: Start accepts. Automaton has 17010 states and 23098 transitions. Word has length 87 [2024-10-14 03:53:03,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:53:03,757 INFO L471 AbstractCegarLoop]: Abstraction has 17010 states and 23098 transitions. [2024-10-14 03:53:03,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:53:03,758 INFO L276 IsEmpty]: Start isEmpty. Operand 17010 states and 23098 transitions. [2024-10-14 03:53:03,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-14 03:53:03,765 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:53:03,765 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:53:03,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-14 03:53:03,766 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)] === [2024-10-14 03:53:03,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:53:03,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1310490486, now seen corresponding path program 1 times [2024-10-14 03:53:03,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:53:03,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506170757] [2024-10-14 03:53:03,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:53:03,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:53:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:53:04,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:53:04,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:53:04,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506170757] [2024-10-14 03:53:04,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506170757] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:53:04,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:53:04,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 03:53:04,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786020253] [2024-10-14 03:53:04,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:53:04,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 03:53:04,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:53:04,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 03:53:04,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-14 03:53:04,380 INFO L87 Difference]: Start difference. First operand 17010 states and 23098 transitions. Second operand has 12 states, 12 states have (on average 7.25) internal successors, (87), 11 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:53:05,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:53:05,525 INFO L93 Difference]: Finished difference Result 33353 states and 45990 transitions. [2024-10-14 03:53:05,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 03:53:05,525 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 11 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-10-14 03:53:05,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:53:05,558 INFO L225 Difference]: With dead ends: 33353 [2024-10-14 03:53:05,558 INFO L226 Difference]: Without dead ends: 28494 [2024-10-14 03:53:05,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-10-14 03:53:05,571 INFO L432 NwaCegarLoop]: 817 mSDtfsCounter, 4608 mSDsluCounter, 3470 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4608 SdHoareTripleChecker+Valid, 4287 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 03:53:05,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4608 Valid, 4287 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1292 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 03:53:05,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28494 states. [2024-10-14 03:53:05,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28494 to 17010. [2024-10-14 03:53:05,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17010 states, 17009 states have (on average 1.3579281556822858) internal successors, (23097), 17009 states have internal predecessors, (23097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:53:05,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17010 states to 17010 states and 23097 transitions. [2024-10-14 03:53:05,812 INFO L78 Accepts]: Start accepts. Automaton has 17010 states and 23097 transitions. Word has length 87 [2024-10-14 03:53:05,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:53:05,812 INFO L471 AbstractCegarLoop]: Abstraction has 17010 states and 23097 transitions. [2024-10-14 03:53:05,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 11 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:53:05,812 INFO L276 IsEmpty]: Start isEmpty. Operand 17010 states and 23097 transitions. [2024-10-14 03:53:05,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-14 03:53:05,821 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:53:05,821 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:53:05,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-14 03:53:05,821 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)] === [2024-10-14 03:53:05,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:53:05,821 INFO L85 PathProgramCache]: Analyzing trace with hash -632809794, now seen corresponding path program 1 times [2024-10-14 03:53:05,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:53:05,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210829296] [2024-10-14 03:53:05,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:53:05,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:53:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:53:06,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:53:06,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:53:06,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210829296] [2024-10-14 03:53:06,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210829296] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:53:06,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:53:06,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 03:53:06,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937415913] [2024-10-14 03:53:06,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:53:06,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 03:53:06,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:53:06,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 03:53:06,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 03:53:06,144 INFO L87 Difference]: Start difference. First operand 17010 states and 23097 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:53:07,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:53:07,412 INFO L93 Difference]: Finished difference Result 29098 states and 39973 transitions. [2024-10-14 03:53:07,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 03:53:07,413 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-10-14 03:53:07,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:53:07,442 INFO L225 Difference]: With dead ends: 29098 [2024-10-14 03:53:07,442 INFO L226 Difference]: Without dead ends: 25308 [2024-10-14 03:53:07,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-14 03:53:07,453 INFO L432 NwaCegarLoop]: 653 mSDtfsCounter, 3853 mSDsluCounter, 1922 mSDsCounter, 0 mSdLazyCounter, 1893 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3853 SdHoareTripleChecker+Valid, 2575 SdHoareTripleChecker+Invalid, 1922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:53:07,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3853 Valid, 2575 Invalid, 1922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1893 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:53:07,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25308 states. [2024-10-14 03:53:07,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25308 to 17006. [2024-10-14 03:53:07,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17006 states, 17005 states have (on average 1.3577771243751837) internal successors, (23089), 17005 states have internal predecessors, (23089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:53:07,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17006 states to 17006 states and 23089 transitions. [2024-10-14 03:53:07,695 INFO L78 Accepts]: Start accepts. Automaton has 17006 states and 23089 transitions. Word has length 88 [2024-10-14 03:53:07,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:53:07,696 INFO L471 AbstractCegarLoop]: Abstraction has 17006 states and 23089 transitions. [2024-10-14 03:53:07,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:53:07,696 INFO L276 IsEmpty]: Start isEmpty. Operand 17006 states and 23089 transitions. [2024-10-14 03:53:07,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-14 03:53:07,704 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:53:07,704 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:53:07,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-14 03:53:07,704 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)] === [2024-10-14 03:53:07,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:53:07,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1539280819, now seen corresponding path program 1 times [2024-10-14 03:53:07,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:53:07,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189943006] [2024-10-14 03:53:07,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:53:07,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:53:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:53:07,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:53:07,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:53:07,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189943006] [2024-10-14 03:53:07,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189943006] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:53:07,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:53:07,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 03:53:07,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215724311] [2024-10-14 03:53:07,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:53:07,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 03:53:07,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:53:07,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 03:53:07,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:53:07,783 INFO L87 Difference]: Start difference. First operand 17006 states and 23089 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:53:07,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:53:07,872 INFO L93 Difference]: Finished difference Result 25314 states and 34645 transitions. [2024-10-14 03:53:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 03:53:07,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-10-14 03:53:07,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:53:07,890 INFO L225 Difference]: With dead ends: 25314 [2024-10-14 03:53:07,891 INFO L226 Difference]: Without dead ends: 17008 [2024-10-14 03:53:07,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 03:53:07,901 INFO L432 NwaCegarLoop]: 1240 mSDtfsCounter, 650 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 2112 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 [2024-10-14 03:53:07,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 2112 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 03:53:07,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17008 states. [2024-10-14 03:53:08,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17008 to 17006. [2024-10-14 03:53:08,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17006 states, 17005 states have (on average 1.349132608056454) internal successors, (22942), 17005 states have internal predecessors, (22942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:53:08,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17006 states to 17006 states and 22942 transitions. [2024-10-14 03:53:08,084 INFO L78 Accepts]: Start accepts. Automaton has 17006 states and 22942 transitions. Word has length 88 [2024-10-14 03:53:08,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:53:08,084 INFO L471 AbstractCegarLoop]: Abstraction has 17006 states and 22942 transitions. [2024-10-14 03:53:08,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:53:08,084 INFO L276 IsEmpty]: Start isEmpty. Operand 17006 states and 22942 transitions. [2024-10-14 03:53:08,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-14 03:53:08,092 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:53:08,092 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:53:08,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-10-14 03:53:08,092 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)] === [2024-10-14 03:53:08,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:53:08,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1904851980, now seen corresponding path program 1 times [2024-10-14 03:53:08,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:53:08,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950537600] [2024-10-14 03:53:08,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:53:08,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:53:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:53:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:53:08,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:53:08,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950537600] [2024-10-14 03:53:08,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950537600] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:53:08,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:53:08,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 03:53:08,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032628939] [2024-10-14 03:53:08,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:53:08,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 03:53:08,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:53:08,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 03:53:08,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-14 03:53:08,425 INFO L87 Difference]: Start difference. First operand 17006 states and 22942 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)