./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_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c198beb0d28344ce853798ba0422f36d86e4a319bc1c9073be7222ccddc0e2fa --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 22:59:39,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 22:59:40,064 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 22:59:40,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 22:59:40,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 22:59:40,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 22:59:40,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 22:59:40,094 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 22:59:40,094 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 22:59:40,094 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 22:59:40,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 22:59:40,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 22:59:40,095 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 22:59:40,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 22:59:40,096 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 22:59:40,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 22:59:40,097 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 22:59:40,099 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 22:59:40,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 22:59:40,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 22:59:40,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 22:59:40,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 22:59:40,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 22:59:40,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 22:59:40,102 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 22:59:40,102 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 22:59:40,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 22:59:40,102 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 22:59:40,102 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 22:59:40,103 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 22:59:40,103 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 22:59:40,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 22:59:40,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:59:40,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 22:59:40,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 22:59:40,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 22:59:40,104 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 22:59:40,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 22:59:40,105 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 22:59:40,105 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 22:59:40,105 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 22:59:40,105 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 22:59:40,105 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c198beb0d28344ce853798ba0422f36d86e4a319bc1c9073be7222ccddc0e2fa [2024-11-19 22:59:40,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 22:59:40,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 22:59:40,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 22:59:40,320 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 22:59:40,321 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 22:59:40,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-19 22:59:41,564 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 22:59:41,803 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 22:59:41,806 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-19 22:59:41,820 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36a939d83/2083ea5d318f49d2bafe876cff38f8a7/FLAG29ab04595 [2024-11-19 22:59:42,135 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36a939d83/2083ea5d318f49d2bafe876cff38f8a7 [2024-11-19 22:59:42,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 22:59:42,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 22:59:42,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 22:59:42,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 22:59:42,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 22:59:42,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:59:42" (1/1) ... [2024-11-19 22:59:42,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bf13e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:42, skipping insertion in model container [2024-11-19 22:59:42,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:59:42" (1/1) ... [2024-11-19 22:59:42,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 22:59:42,522 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15595,15608] [2024-11-19 22:59:42,539 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16571,16584] [2024-11-19 22:59:42,616 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28918,28931] [2024-11-19 22:59:42,624 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29565,29578] [2024-11-19 22:59:42,632 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30949,30962] [2024-11-19 22:59:42,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:59:42,662 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 22:59:42,711 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15595,15608] [2024-11-19 22:59:42,717 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16571,16584] [2024-11-19 22:59:42,755 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28918,28931] [2024-11-19 22:59:42,759 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[29565,29578] [2024-11-19 22:59:42,765 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30949,30962] [2024-11-19 22:59:42,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:59:42,802 INFO L204 MainTranslator]: Completed translation [2024-11-19 22:59:42,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:42 WrapperNode [2024-11-19 22:59:42,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 22:59:42,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 22:59:42,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 22:59:42,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 22:59:42,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:42" (1/1) ... [2024-11-19 22:59:42,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:42" (1/1) ... [2024-11-19 22:59:42,877 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1795 [2024-11-19 22:59:42,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 22:59:42,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 22:59:42,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 22:59:42,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 22:59:42,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:42" (1/1) ... [2024-11-19 22:59:42,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:42" (1/1) ... [2024-11-19 22:59:42,894 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:42" (1/1) ... [2024-11-19 22:59:42,922 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-19 22:59:42,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:42" (1/1) ... [2024-11-19 22:59:42,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:42" (1/1) ... [2024-11-19 22:59:42,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:42" (1/1) ... [2024-11-19 22:59:42,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:42" (1/1) ... [2024-11-19 22:59:42,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:42" (1/1) ... [2024-11-19 22:59:42,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:42" (1/1) ... [2024-11-19 22:59:42,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 22:59:42,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 22:59:42,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 22:59:42,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 22:59:42,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:42" (1/1) ... [2024-11-19 22:59:42,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:59:42,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:59:42,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 22:59:43,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 22:59:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 22:59:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 22:59:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 22:59:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 22:59:43,145 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 22:59:43,146 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 22:59:44,175 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-19 22:59:44,176 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 22:59:44,197 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 22:59:44,198 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 22:59:44,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:59:44 BoogieIcfgContainer [2024-11-19 22:59:44,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 22:59:44,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 22:59:44,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 22:59:44,206 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 22:59:44,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:59:42" (1/3) ... [2024-11-19 22:59:44,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bbf872f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:59:44, skipping insertion in model container [2024-11-19 22:59:44,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:42" (2/3) ... [2024-11-19 22:59:44,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bbf872f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:59:44, skipping insertion in model container [2024-11-19 22:59:44,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:59:44" (3/3) ... [2024-11-19 22:59:44,208 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-19 22:59:44,219 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 22:59:44,219 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-11-19 22:59:44,284 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 22:59:44,291 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;@1467afbe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 22:59:44,291 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-19 22:59:44,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 418 states have (on average 1.8038277511961722) internal successors, (754), 423 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:44,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-19 22:59:44,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:59:44,307 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:59:44,307 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 22:59:44,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:59:44,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1455877833, now seen corresponding path program 1 times [2024-11-19 22:59:44,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:59:44,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722675287] [2024-11-19 22:59:44,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:59:44,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:59:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:59:44,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:59:44,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:59:44,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722675287] [2024-11-19 22:59:44,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722675287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:59:44,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:59:44,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:59:44,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278772201] [2024-11-19 22:59:44,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:59:44,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:59:44,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:59:44,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:59:44,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:44,792 INFO L87 Difference]: Start difference. First operand has 424 states, 418 states have (on average 1.8038277511961722) internal successors, (754), 423 states have internal predecessors, (754), 0 states have call successors, (0), 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 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:44,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:59:44,921 INFO L93 Difference]: Finished difference Result 767 states and 1341 transitions. [2024-11-19 22:59:44,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:59:44,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 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 150 [2024-11-19 22:59:44,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:59:44,941 INFO L225 Difference]: With dead ends: 767 [2024-11-19 22:59:44,941 INFO L226 Difference]: Without dead ends: 612 [2024-11-19 22:59:44,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:44,947 INFO L432 NwaCegarLoop]: 719 mSDtfsCounter, 474 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:59:44,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 1181 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:59:44,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-11-19 22:59:44,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 610. [2024-11-19 22:59:44,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 605 states have (on average 1.4793388429752066) internal successors, (895), 609 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:44,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 895 transitions. [2024-11-19 22:59:44,997 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 895 transitions. Word has length 150 [2024-11-19 22:59:44,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:59:44,998 INFO L471 AbstractCegarLoop]: Abstraction has 610 states and 895 transitions. [2024-11-19 22:59:44,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:44,998 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 895 transitions. [2024-11-19 22:59:45,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-19 22:59:45,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:59:45,003 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:59:45,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 22:59:45,003 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 22:59:45,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:59:45,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1340171657, now seen corresponding path program 1 times [2024-11-19 22:59:45,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:59:45,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899257528] [2024-11-19 22:59:45,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:59:45,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:59:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:59:45,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:59:45,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:59:45,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899257528] [2024-11-19 22:59:45,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899257528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:59:45,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:59:45,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:59:45,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786902329] [2024-11-19 22:59:45,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:59:45,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 22:59:45,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:59:45,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 22:59:45,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 22:59:45,508 INFO L87 Difference]: Start difference. First operand 610 states and 895 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:45,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:59:45,630 INFO L93 Difference]: Finished difference Result 2955 states and 4316 transitions. [2024-11-19 22:59:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:59:45,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 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 150 [2024-11-19 22:59:45,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:59:45,638 INFO L225 Difference]: With dead ends: 2955 [2024-11-19 22:59:45,638 INFO L226 Difference]: Without dead ends: 2354 [2024-11-19 22:59:45,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:59:45,643 INFO L432 NwaCegarLoop]: 985 mSDtfsCounter, 1820 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1820 SdHoareTripleChecker+Valid, 2592 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:59:45,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1820 Valid, 2592 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:59:45,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2354 states. [2024-11-19 22:59:45,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2354 to 1156. [2024-11-19 22:59:45,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1151 states have (on average 1.466550825369244) internal successors, (1688), 1155 states have internal predecessors, (1688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:45,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1688 transitions. [2024-11-19 22:59:45,691 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1688 transitions. Word has length 150 [2024-11-19 22:59:45,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:59:45,692 INFO L471 AbstractCegarLoop]: Abstraction has 1156 states and 1688 transitions. [2024-11-19 22:59:45,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:45,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1688 transitions. [2024-11-19 22:59:45,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-19 22:59:45,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:59:45,696 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:59:45,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 22:59:45,697 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 22:59:45,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:59:45,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1287913931, now seen corresponding path program 1 times [2024-11-19 22:59:45,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:59:45,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829013659] [2024-11-19 22:59:45,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:59:45,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:59:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:59:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:59:45,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:59:45,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829013659] [2024-11-19 22:59:45,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829013659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:59:45,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:59:45,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:59:45,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696595102] [2024-11-19 22:59:45,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:59:45,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:59:45,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:59:45,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:59:45,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:45,806 INFO L87 Difference]: Start difference. First operand 1156 states and 1688 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:45,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:59:45,837 INFO L93 Difference]: Finished difference Result 2286 states and 3333 transitions. [2024-11-19 22:59:45,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:59:45,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2024-11-19 22:59:45,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:59:45,842 INFO L225 Difference]: With dead ends: 2286 [2024-11-19 22:59:45,842 INFO L226 Difference]: Without dead ends: 1158 [2024-11-19 22:59:45,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:45,845 INFO L432 NwaCegarLoop]: 606 mSDtfsCounter, 0 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1206 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:59:45,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1206 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:59:45,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2024-11-19 22:59:45,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1158. [2024-11-19 22:59:45,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 1153 states have (on average 1.4657415437987857) internal successors, (1690), 1157 states have internal predecessors, (1690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:45,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1690 transitions. [2024-11-19 22:59:45,870 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1690 transitions. Word has length 151 [2024-11-19 22:59:45,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:59:45,870 INFO L471 AbstractCegarLoop]: Abstraction has 1158 states and 1690 transitions. [2024-11-19 22:59:45,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:45,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1690 transitions. [2024-11-19 22:59:45,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-19 22:59:45,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:59:45,872 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:59:45,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 22:59:45,873 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 22:59:45,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:59:45,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1852245384, now seen corresponding path program 1 times [2024-11-19 22:59:45,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:59:45,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864534579] [2024-11-19 22:59:45,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:59:45,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:59:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:59:46,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:59:46,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:59:46,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864534579] [2024-11-19 22:59:46,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864534579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:59:46,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:59:46,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:59:46,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226142368] [2024-11-19 22:59:46,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:59:46,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 22:59:46,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:59:46,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 22:59:46,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 22:59:46,261 INFO L87 Difference]: Start difference. First operand 1158 states and 1690 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:46,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:59:46,293 INFO L93 Difference]: Finished difference Result 2306 states and 3366 transitions. [2024-11-19 22:59:46,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 22:59:46,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2024-11-19 22:59:46,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:59:46,296 INFO L225 Difference]: With dead ends: 2306 [2024-11-19 22:59:46,297 INFO L226 Difference]: Without dead ends: 1156 [2024-11-19 22:59:46,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 22:59:46,298 INFO L432 NwaCegarLoop]: 647 mSDtfsCounter, 24 mSDsluCounter, 1243 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 1890 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:59:46,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 1890 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:59:46,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2024-11-19 22:59:46,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1156. [2024-11-19 22:59:46,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1151 states have (on average 1.4648132059079062) internal successors, (1686), 1155 states have internal predecessors, (1686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:46,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1686 transitions. [2024-11-19 22:59:46,328 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1686 transitions. Word has length 152 [2024-11-19 22:59:46,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:59:46,328 INFO L471 AbstractCegarLoop]: Abstraction has 1156 states and 1686 transitions. [2024-11-19 22:59:46,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:46,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1686 transitions. [2024-11-19 22:59:46,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-19 22:59:46,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:59:46,330 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:59:46,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 22:59:46,330 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 22:59:46,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:59:46,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1568302179, now seen corresponding path program 1 times [2024-11-19 22:59:46,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:59:46,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359752663] [2024-11-19 22:59:46,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:59:46,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:59:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:59:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:59:46,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:59:46,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359752663] [2024-11-19 22:59:46,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359752663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:59:46,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:59:46,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:59:46,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765919880] [2024-11-19 22:59:46,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:59:46,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:59:46,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:59:46,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:59:46,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:46,423 INFO L87 Difference]: Start difference. First operand 1156 states and 1686 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:46,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:59:46,467 INFO L93 Difference]: Finished difference Result 2692 states and 3927 transitions. [2024-11-19 22:59:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:59:46,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2024-11-19 22:59:46,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:59:46,471 INFO L225 Difference]: With dead ends: 2692 [2024-11-19 22:59:46,472 INFO L226 Difference]: Without dead ends: 1727 [2024-11-19 22:59:46,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:46,473 INFO L432 NwaCegarLoop]: 1145 mSDtfsCounter, 528 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:59:46,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [528 Valid, 1690 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:59:46,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2024-11-19 22:59:46,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1700. [2024-11-19 22:59:46,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 1695 states have (on average 1.448377581120944) internal successors, (2455), 1699 states have internal predecessors, (2455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:46,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2455 transitions. [2024-11-19 22:59:46,496 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2455 transitions. Word has length 152 [2024-11-19 22:59:46,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:59:46,496 INFO L471 AbstractCegarLoop]: Abstraction has 1700 states and 2455 transitions. [2024-11-19 22:59:46,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:46,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2455 transitions. [2024-11-19 22:59:46,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-19 22:59:46,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:59:46,498 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:59:46,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 22:59:46,499 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 22:59:46,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:59:46,499 INFO L85 PathProgramCache]: Analyzing trace with hash 781372132, now seen corresponding path program 1 times [2024-11-19 22:59:46,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:59:46,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858745615] [2024-11-19 22:59:46,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:59:46,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:59:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:59:46,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:59:46,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:59:46,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858745615] [2024-11-19 22:59:46,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858745615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:59:46,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:59:46,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:59:46,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742567522] [2024-11-19 22:59:46,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:59:46,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:59:46,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:59:46,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:59:46,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:46,574 INFO L87 Difference]: Start difference. First operand 1700 states and 2455 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:46,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:59:46,618 INFO L93 Difference]: Finished difference Result 3988 states and 5884 transitions. [2024-11-19 22:59:46,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:59:46,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 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 154 [2024-11-19 22:59:46,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:59:46,624 INFO L225 Difference]: With dead ends: 3988 [2024-11-19 22:59:46,624 INFO L226 Difference]: Without dead ends: 2470 [2024-11-19 22:59:46,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:46,628 INFO L432 NwaCegarLoop]: 807 mSDtfsCounter, 315 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:59:46,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 1279 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:59:46,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2470 states. [2024-11-19 22:59:46,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2470 to 2142. [2024-11-19 22:59:46,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2142 states, 2137 states have (on average 1.486195601310248) internal successors, (3176), 2141 states have internal predecessors, (3176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:46,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 2142 states and 3176 transitions. [2024-11-19 22:59:46,684 INFO L78 Accepts]: Start accepts. Automaton has 2142 states and 3176 transitions. Word has length 154 [2024-11-19 22:59:46,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:59:46,685 INFO L471 AbstractCegarLoop]: Abstraction has 2142 states and 3176 transitions. [2024-11-19 22:59:46,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:46,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 3176 transitions. [2024-11-19 22:59:46,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-19 22:59:46,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:59:46,687 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:59:46,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 22:59:46,687 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 22:59:46,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:59:46,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1705023188, now seen corresponding path program 1 times [2024-11-19 22:59:46,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:59:46,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730684528] [2024-11-19 22:59:46,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:59:46,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:59:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:59:46,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:59:46,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:59:46,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730684528] [2024-11-19 22:59:46,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730684528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:59:46,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:59:46,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:59:46,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866180538] [2024-11-19 22:59:46,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:59:46,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:59:46,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:59:46,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:59:46,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:46,772 INFO L87 Difference]: Start difference. First operand 2142 states and 3176 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:46,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:59:46,835 INFO L93 Difference]: Finished difference Result 5128 states and 7761 transitions. [2024-11-19 22:59:46,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:59:46,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2024-11-19 22:59:46,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:59:46,844 INFO L225 Difference]: With dead ends: 5128 [2024-11-19 22:59:46,844 INFO L226 Difference]: Without dead ends: 3252 [2024-11-19 22:59:46,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:46,848 INFO L432 NwaCegarLoop]: 834 mSDtfsCounter, 352 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 1281 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:59:46,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 1281 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:59:46,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2024-11-19 22:59:46,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 2920. [2024-11-19 22:59:46,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2915 states have (on average 1.5217838765008576) internal successors, (4436), 2919 states have internal predecessors, (4436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:46,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 4436 transitions. [2024-11-19 22:59:46,894 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 4436 transitions. Word has length 156 [2024-11-19 22:59:46,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:59:46,894 INFO L471 AbstractCegarLoop]: Abstraction has 2920 states and 4436 transitions. [2024-11-19 22:59:46,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:46,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 4436 transitions. [2024-11-19 22:59:46,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-19 22:59:46,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:59:46,896 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:59:46,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 22:59:46,897 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 22:59:46,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:59:46,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1816910392, now seen corresponding path program 1 times [2024-11-19 22:59:46,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:59:46,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666183492] [2024-11-19 22:59:46,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:59:46,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:59:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:59:47,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:59:47,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:59:47,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666183492] [2024-11-19 22:59:47,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666183492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:59:47,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:59:47,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:59:47,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096012365] [2024-11-19 22:59:47,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:59:47,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 22:59:47,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:59:47,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 22:59:47,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 22:59:47,267 INFO L87 Difference]: Start difference. First operand 2920 states and 4436 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:47,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:59:47,390 INFO L93 Difference]: Finished difference Result 7050 states and 11024 transitions. [2024-11-19 22:59:47,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 22:59:47,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 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 157 [2024-11-19 22:59:47,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:59:47,404 INFO L225 Difference]: With dead ends: 7050 [2024-11-19 22:59:47,404 INFO L226 Difference]: Without dead ends: 5228 [2024-11-19 22:59:47,407 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 22:59:47,408 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 714 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:59:47,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 1098 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:59:47,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5228 states. [2024-11-19 22:59:47,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5228 to 5226. [2024-11-19 22:59:47,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5226 states, 5221 states have (on average 1.5378280022984103) internal successors, (8029), 5225 states have internal predecessors, (8029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:47,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5226 states to 5226 states and 8029 transitions. [2024-11-19 22:59:47,519 INFO L78 Accepts]: Start accepts. Automaton has 5226 states and 8029 transitions. Word has length 157 [2024-11-19 22:59:47,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:59:47,519 INFO L471 AbstractCegarLoop]: Abstraction has 5226 states and 8029 transitions. [2024-11-19 22:59:47,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:47,520 INFO L276 IsEmpty]: Start isEmpty. Operand 5226 states and 8029 transitions. [2024-11-19 22:59:47,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-19 22:59:47,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:59:47,523 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:59:47,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 22:59:47,523 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 22:59:47,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:59:47,524 INFO L85 PathProgramCache]: Analyzing trace with hash -837981990, now seen corresponding path program 1 times [2024-11-19 22:59:47,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:59:47,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714165061] [2024-11-19 22:59:47,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:59:47,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:59:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:59:47,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:59:47,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:59:47,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714165061] [2024-11-19 22:59:47,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714165061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:59:47,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:59:47,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:59:47,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635926544] [2024-11-19 22:59:47,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:59:47,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 22:59:47,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:59:47,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 22:59:47,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 22:59:47,822 INFO L87 Difference]: Start difference. First operand 5226 states and 8029 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:47,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:59:47,923 INFO L93 Difference]: Finished difference Result 13670 states and 20995 transitions. [2024-11-19 22:59:47,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 22:59:47,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 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 157 [2024-11-19 22:59:47,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:59:47,945 INFO L225 Difference]: With dead ends: 13670 [2024-11-19 22:59:47,945 INFO L226 Difference]: Without dead ends: 8481 [2024-11-19 22:59:47,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 22:59:47,953 INFO L432 NwaCegarLoop]: 1056 mSDtfsCounter, 529 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 2111 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:59:47,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 2111 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 22:59:47,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8481 states. [2024-11-19 22:59:48,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8481 to 8458. [2024-11-19 22:59:48,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8458 states, 8453 states have (on average 1.524429196734887) internal successors, (12886), 8457 states have internal predecessors, (12886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:48,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8458 states to 8458 states and 12886 transitions. [2024-11-19 22:59:48,085 INFO L78 Accepts]: Start accepts. Automaton has 8458 states and 12886 transitions. Word has length 157 [2024-11-19 22:59:48,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:59:48,085 INFO L471 AbstractCegarLoop]: Abstraction has 8458 states and 12886 transitions. [2024-11-19 22:59:48,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:48,086 INFO L276 IsEmpty]: Start isEmpty. Operand 8458 states and 12886 transitions. [2024-11-19 22:59:48,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-19 22:59:48,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:59:48,091 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:59:48,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 22:59:48,092 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 22:59:48,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:59:48,092 INFO L85 PathProgramCache]: Analyzing trace with hash -728683137, now seen corresponding path program 1 times [2024-11-19 22:59:48,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:59:48,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092546997] [2024-11-19 22:59:48,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:59:48,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:59:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:59:48,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:59:48,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:59:48,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092546997] [2024-11-19 22:59:48,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092546997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:59:48,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:59:48,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:59:48,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147644707] [2024-11-19 22:59:48,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:59:48,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 22:59:48,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:59:48,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 22:59:48,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 22:59:48,423 INFO L87 Difference]: Start difference. First operand 8458 states and 12886 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:48,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:59:48,509 INFO L93 Difference]: Finished difference Result 16895 states and 25740 transitions. [2024-11-19 22:59:48,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 22:59:48,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 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 159 [2024-11-19 22:59:48,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:59:48,533 INFO L225 Difference]: With dead ends: 16895 [2024-11-19 22:59:48,533 INFO L226 Difference]: Without dead ends: 8458 [2024-11-19 22:59:48,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 22:59:48,545 INFO L432 NwaCegarLoop]: 636 mSDtfsCounter, 20 mSDsluCounter, 1226 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 1862 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:59:48,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 1862 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:59:48,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8458 states. [2024-11-19 22:59:48,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8458 to 8458. [2024-11-19 22:59:48,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8458 states, 8453 states have (on average 1.5240742931503608) internal successors, (12883), 8457 states have internal predecessors, (12883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:48,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8458 states to 8458 states and 12883 transitions. [2024-11-19 22:59:48,694 INFO L78 Accepts]: Start accepts. Automaton has 8458 states and 12883 transitions. Word has length 159 [2024-11-19 22:59:48,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:59:48,694 INFO L471 AbstractCegarLoop]: Abstraction has 8458 states and 12883 transitions. [2024-11-19 22:59:48,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:48,695 INFO L276 IsEmpty]: Start isEmpty. Operand 8458 states and 12883 transitions. [2024-11-19 22:59:48,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-19 22:59:48,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:59:48,699 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:59:48,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 22:59:48,700 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 22:59:48,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:59:48,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1379104380, now seen corresponding path program 1 times [2024-11-19 22:59:48,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:59:48,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145801496] [2024-11-19 22:59:48,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:59:48,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:59:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:59:48,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:59:48,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:59:48,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145801496] [2024-11-19 22:59:48,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145801496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:59:48,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:59:48,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:59:48,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210126234] [2024-11-19 22:59:48,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:59:48,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:59:48,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:59:48,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:59:48,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:48,798 INFO L87 Difference]: Start difference. First operand 8458 states and 12883 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:48,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:59:48,896 INFO L93 Difference]: Finished difference Result 21285 states and 32425 transitions. [2024-11-19 22:59:48,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:59:48,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 159 [2024-11-19 22:59:48,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:59:48,916 INFO L225 Difference]: With dead ends: 21285 [2024-11-19 22:59:48,917 INFO L226 Difference]: Without dead ends: 13219 [2024-11-19 22:59:48,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:48,928 INFO L432 NwaCegarLoop]: 690 mSDtfsCounter, 523 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:59:48,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 1220 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:59:48,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13219 states. [2024-11-19 22:59:49,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13219 to 13198. [2024-11-19 22:59:49,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13198 states, 13193 states have (on average 1.505040551807777) internal successors, (19856), 13197 states have internal predecessors, (19856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:49,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13198 states to 13198 states and 19856 transitions. [2024-11-19 22:59:49,143 INFO L78 Accepts]: Start accepts. Automaton has 13198 states and 19856 transitions. Word has length 159 [2024-11-19 22:59:49,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:59:49,143 INFO L471 AbstractCegarLoop]: Abstraction has 13198 states and 19856 transitions. [2024-11-19 22:59:49,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:49,144 INFO L276 IsEmpty]: Start isEmpty. Operand 13198 states and 19856 transitions. [2024-11-19 22:59:49,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-19 22:59:49,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:59:49,149 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:59:49,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 22:59:49,150 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 22:59:49,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:59:49,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1856649123, now seen corresponding path program 1 times [2024-11-19 22:59:49,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:59:49,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257219784] [2024-11-19 22:59:49,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:59:49,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:59:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:59:49,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:59:49,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:59:49,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257219784] [2024-11-19 22:59:49,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257219784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:59:49,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:59:49,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:59:49,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344210243] [2024-11-19 22:59:49,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:59:49,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:59:49,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:59:49,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:59:49,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:49,221 INFO L87 Difference]: Start difference. First operand 13198 states and 19856 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:49,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:59:49,319 INFO L93 Difference]: Finished difference Result 35081 states and 53528 transitions. [2024-11-19 22:59:49,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:59:49,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2024-11-19 22:59:49,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:59:49,353 INFO L225 Difference]: With dead ends: 35081 [2024-11-19 22:59:49,353 INFO L226 Difference]: Without dead ends: 22288 [2024-11-19 22:59:49,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:49,371 INFO L432 NwaCegarLoop]: 803 mSDtfsCounter, 314 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:59:49,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 1261 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:59:49,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22288 states. [2024-11-19 22:59:49,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22288 to 20122. [2024-11-19 22:59:49,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20122 states, 20117 states have (on average 1.5392951235273649) internal successors, (30966), 20121 states have internal predecessors, (30966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:49,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20122 states to 20122 states and 30966 transitions. [2024-11-19 22:59:49,734 INFO L78 Accepts]: Start accepts. Automaton has 20122 states and 30966 transitions. Word has length 163 [2024-11-19 22:59:49,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:59:49,734 INFO L471 AbstractCegarLoop]: Abstraction has 20122 states and 30966 transitions. [2024-11-19 22:59:49,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:49,735 INFO L276 IsEmpty]: Start isEmpty. Operand 20122 states and 30966 transitions. [2024-11-19 22:59:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-19 22:59:49,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:59:49,741 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:59:49,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 22:59:49,741 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 22:59:49,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:59:49,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1193982163, now seen corresponding path program 1 times [2024-11-19 22:59:49,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:59:49,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718525633] [2024-11-19 22:59:49,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:59:49,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:59:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:59:49,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:59:49,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:59:49,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718525633] [2024-11-19 22:59:49,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718525633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:59:49,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:59:49,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:59:49,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438466561] [2024-11-19 22:59:49,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:59:49,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:59:49,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:59:49,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:59:49,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:49,807 INFO L87 Difference]: Start difference. First operand 20122 states and 30966 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:50,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:59:50,230 INFO L93 Difference]: Finished difference Result 57900 states and 89640 transitions. [2024-11-19 22:59:50,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:59:50,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2024-11-19 22:59:50,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:59:50,305 INFO L225 Difference]: With dead ends: 57900 [2024-11-19 22:59:50,305 INFO L226 Difference]: Without dead ends: 39172 [2024-11-19 22:59:50,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:50,334 INFO L432 NwaCegarLoop]: 581 mSDtfsCounter, 501 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 22:59:50,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 1046 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 22:59:50,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39172 states. [2024-11-19 22:59:50,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39172 to 39137. [2024-11-19 22:59:50,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39137 states, 39132 states have (on average 1.5376418276602268) internal successors, (60171), 39136 states have internal predecessors, (60171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:50,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39137 states to 39137 states and 60171 transitions. [2024-11-19 22:59:50,941 INFO L78 Accepts]: Start accepts. Automaton has 39137 states and 60171 transitions. Word has length 164 [2024-11-19 22:59:50,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:59:50,941 INFO L471 AbstractCegarLoop]: Abstraction has 39137 states and 60171 transitions. [2024-11-19 22:59:50,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:50,942 INFO L276 IsEmpty]: Start isEmpty. Operand 39137 states and 60171 transitions. [2024-11-19 22:59:50,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-19 22:59:50,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:59:50,954 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:59:50,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 22:59:50,954 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 22:59:50,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:59:50,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1951177816, now seen corresponding path program 1 times [2024-11-19 22:59:50,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:59:50,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792243488] [2024-11-19 22:59:50,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:59:50,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:59:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:59:51,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:59:51,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:59:51,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792243488] [2024-11-19 22:59:51,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792243488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:59:51,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:59:51,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:59:51,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554533997] [2024-11-19 22:59:51,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:59:51,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 22:59:51,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:59:51,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 22:59:51,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 22:59:51,294 INFO L87 Difference]: Start difference. First operand 39137 states and 60171 transitions. Second operand has 8 states, 8 states have (on average 20.5) internal successors, (164), 7 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:52,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:59:52,183 INFO L93 Difference]: Finished difference Result 163556 states and 251726 transitions. [2024-11-19 22:59:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:59:52,184 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 7 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2024-11-19 22:59:52,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:59:52,440 INFO L225 Difference]: With dead ends: 163556 [2024-11-19 22:59:52,441 INFO L226 Difference]: Without dead ends: 125061 [2024-11-19 22:59:52,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2024-11-19 22:59:52,516 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 6948 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6948 SdHoareTripleChecker+Valid, 1541 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:59:52,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6948 Valid, 1541 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 22:59:52,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125061 states. [2024-11-19 22:59:53,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125061 to 66131. [2024-11-19 22:59:53,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66131 states, 66126 states have (on average 1.515909022169797) internal successors, (100241), 66130 states have internal predecessors, (100241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:54,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66131 states to 66131 states and 100241 transitions. [2024-11-19 22:59:54,208 INFO L78 Accepts]: Start accepts. Automaton has 66131 states and 100241 transitions. Word has length 164 [2024-11-19 22:59:54,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:59:54,208 INFO L471 AbstractCegarLoop]: Abstraction has 66131 states and 100241 transitions. [2024-11-19 22:59:54,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 7 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:54,208 INFO L276 IsEmpty]: Start isEmpty. Operand 66131 states and 100241 transitions. [2024-11-19 22:59:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-19 22:59:54,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:59:54,219 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:59:54,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 22:59:54,220 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 22:59:54,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:59:54,221 INFO L85 PathProgramCache]: Analyzing trace with hash -637177356, now seen corresponding path program 1 times [2024-11-19 22:59:54,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:59:54,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986485950] [2024-11-19 22:59:54,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:59:54,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:59:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:59:54,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:59:54,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:59:54,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986485950] [2024-11-19 22:59:54,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986485950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:59:54,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:59:54,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:59:54,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083112520] [2024-11-19 22:59:54,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:59:54,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 22:59:54,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:59:54,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 22:59:54,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 22:59:54,498 INFO L87 Difference]: Start difference. First operand 66131 states and 100241 transitions. Second operand has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:55,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:59:55,553 INFO L93 Difference]: Finished difference Result 301411 states and 455269 transitions. [2024-11-19 22:59:55,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:59:55,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2024-11-19 22:59:55,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:59:55,867 INFO L225 Difference]: With dead ends: 301411 [2024-11-19 22:59:55,867 INFO L226 Difference]: Without dead ends: 235329 [2024-11-19 22:59:55,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:59:55,928 INFO L432 NwaCegarLoop]: 1024 mSDtfsCounter, 1656 mSDsluCounter, 1610 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1656 SdHoareTripleChecker+Valid, 2634 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 22:59:55,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1656 Valid, 2634 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 22:59:56,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235329 states. [2024-11-19 22:59:58,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235329 to 117676. [2024-11-19 22:59:58,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117676 states, 117671 states have (on average 1.492440788299581) internal successors, (175617), 117675 states have internal predecessors, (175617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:58,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117676 states to 117676 states and 175617 transitions. [2024-11-19 22:59:58,271 INFO L78 Accepts]: Start accepts. Automaton has 117676 states and 175617 transitions. Word has length 164 [2024-11-19 22:59:58,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:59:58,271 INFO L471 AbstractCegarLoop]: Abstraction has 117676 states and 175617 transitions. [2024-11-19 22:59:58,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:58,271 INFO L276 IsEmpty]: Start isEmpty. Operand 117676 states and 175617 transitions. [2024-11-19 22:59:58,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-19 22:59:58,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:59:58,291 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:59:58,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 22:59:58,291 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 22:59:58,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:59:58,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1188003318, now seen corresponding path program 1 times [2024-11-19 22:59:58,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:59:58,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497923416] [2024-11-19 22:59:58,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:59:58,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:59:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:59:58,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:59:58,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:59:58,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497923416] [2024-11-19 22:59:58,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497923416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:59:58,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:59:58,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 22:59:58,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361510727] [2024-11-19 22:59:58,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:59:58,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 22:59:58,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:59:58,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 22:59:58,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:58,350 INFO L87 Difference]: Start difference. First operand 117676 states and 175617 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:59:59,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:59:59,118 INFO L93 Difference]: Finished difference Result 235235 states and 351079 transitions. [2024-11-19 22:59:59,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 22:59:59,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2024-11-19 22:59:59,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:59:59,255 INFO L225 Difference]: With dead ends: 235235 [2024-11-19 22:59:59,255 INFO L226 Difference]: Without dead ends: 117684 [2024-11-19 22:59:59,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 22:59:59,335 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 0 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:59:59,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1174 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 22:59:59,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117684 states. [2024-11-19 23:00:00,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117684 to 117684. [2024-11-19 23:00:01,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117684 states, 117679 states have (on average 1.4924073114149508) internal successors, (175625), 117683 states have internal predecessors, (175625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 23:00:01,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117684 states to 117684 states and 175625 transitions. [2024-11-19 23:00:01,219 INFO L78 Accepts]: Start accepts. Automaton has 117684 states and 175625 transitions. Word has length 165 [2024-11-19 23:00:01,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:00:01,219 INFO L471 AbstractCegarLoop]: Abstraction has 117684 states and 175625 transitions. [2024-11-19 23:00:01,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 23:00:01,220 INFO L276 IsEmpty]: Start isEmpty. Operand 117684 states and 175625 transitions. [2024-11-19 23:00:01,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-19 23:00:01,241 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:00:01,242 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:00:01,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 23:00:01,242 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 23:00:01,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:00:01,242 INFO L85 PathProgramCache]: Analyzing trace with hash -951591691, now seen corresponding path program 1 times [2024-11-19 23:00:01,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:00:01,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126099104] [2024-11-19 23:00:01,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:00:01,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:00:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:00:01,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 23:00:01,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:00:01,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126099104] [2024-11-19 23:00:01,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126099104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 23:00:01,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 23:00:01,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 23:00:01,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065751818] [2024-11-19 23:00:01,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 23:00:01,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 23:00:01,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:00:01,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 23:00:01,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 23:00:01,970 INFO L87 Difference]: Start difference. First operand 117684 states and 175625 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 23:00:02,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:00:02,380 INFO L93 Difference]: Finished difference Result 235239 states and 351081 transitions. [2024-11-19 23:00:02,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 23:00:02,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2024-11-19 23:00:02,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:00:02,536 INFO L225 Difference]: With dead ends: 235239 [2024-11-19 23:00:02,537 INFO L226 Difference]: Without dead ends: 117684 [2024-11-19 23:00:02,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 23:00:02,627 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 10 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1808 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 23:00:02,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1808 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 23:00:02,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117684 states. [2024-11-19 23:00:04,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117684 to 117680. [2024-11-19 23:00:04,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117680 states, 117675 states have (on average 1.4923815593796472) internal successors, (175616), 117679 states have internal predecessors, (175616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 23:00:04,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117680 states to 117680 states and 175616 transitions. [2024-11-19 23:00:04,347 INFO L78 Accepts]: Start accepts. Automaton has 117680 states and 175616 transitions. Word has length 166 [2024-11-19 23:00:04,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:00:04,347 INFO L471 AbstractCegarLoop]: Abstraction has 117680 states and 175616 transitions. [2024-11-19 23:00:04,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 23:00:04,348 INFO L276 IsEmpty]: Start isEmpty. Operand 117680 states and 175616 transitions. [2024-11-19 23:00:04,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-19 23:00:04,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:00:04,362 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:00:04,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 23:00:04,363 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 23:00:04,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:00:04,363 INFO L85 PathProgramCache]: Analyzing trace with hash 718071364, now seen corresponding path program 1 times [2024-11-19 23:00:04,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:00:04,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003474757] [2024-11-19 23:00:04,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:00:04,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:00:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:00:04,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 23:00:04,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:00:04,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003474757] [2024-11-19 23:00:04,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003474757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 23:00:04,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 23:00:04,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 23:00:04,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181163035] [2024-11-19 23:00:04,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 23:00:04,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 23:00:04,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:00:04,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 23:00:04,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 23:00:04,430 INFO L87 Difference]: Start difference. First operand 117680 states and 175616 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 23:00:05,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:00:05,577 INFO L93 Difference]: Finished difference Result 310480 states and 462470 transitions. [2024-11-19 23:00:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 23:00:05,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2024-11-19 23:00:05,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:00:05,854 INFO L225 Difference]: With dead ends: 310480 [2024-11-19 23:00:05,854 INFO L226 Difference]: Without dead ends: 193999 [2024-11-19 23:00:05,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 23:00:05,939 INFO L432 NwaCegarLoop]: 1035 mSDtfsCounter, 500 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 1580 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 23:00:05,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 1580 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 23:00:06,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193999 states. [2024-11-19 23:00:08,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193999 to 193956. [2024-11-19 23:00:08,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193956 states, 193951 states have (on average 1.4731659027280086) internal successors, (285722), 193955 states have internal predecessors, (285722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 23:00:09,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193956 states to 193956 states and 285722 transitions. [2024-11-19 23:00:09,290 INFO L78 Accepts]: Start accepts. Automaton has 193956 states and 285722 transitions. Word has length 166 [2024-11-19 23:00:09,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:00:09,291 INFO L471 AbstractCegarLoop]: Abstraction has 193956 states and 285722 transitions. [2024-11-19 23:00:09,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 23:00:09,291 INFO L276 IsEmpty]: Start isEmpty. Operand 193956 states and 285722 transitions. [2024-11-19 23:00:09,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-19 23:00:09,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:00:09,341 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:00:09,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 23:00:09,342 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 23:00:09,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:00:09,342 INFO L85 PathProgramCache]: Analyzing trace with hash -427288287, now seen corresponding path program 1 times [2024-11-19 23:00:09,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:00:09,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001965958] [2024-11-19 23:00:09,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:00:09,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:00:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:00:09,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 23:00:09,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:00:09,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001965958] [2024-11-19 23:00:09,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001965958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 23:00:09,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 23:00:09,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 23:00:09,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030001253] [2024-11-19 23:00:09,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 23:00:09,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 23:00:09,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:00:09,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 23:00:09,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 23:00:09,626 INFO L87 Difference]: Start difference. First operand 193956 states and 285722 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 23:00:10,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:00:10,857 INFO L93 Difference]: Finished difference Result 364638 states and 537495 transitions. [2024-11-19 23:00:10,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 23:00:10,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 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 166 [2024-11-19 23:00:10,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:00:11,115 INFO L225 Difference]: With dead ends: 364638 [2024-11-19 23:00:11,116 INFO L226 Difference]: Without dead ends: 171733 [2024-11-19 23:00:11,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 23:00:11,225 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 13 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1812 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 23:00:11,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1812 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 23:00:11,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171733 states. [2024-11-19 23:00:13,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171733 to 171733. [2024-11-19 23:00:13,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171733 states, 171728 states have (on average 1.4732891549427) internal successors, (253005), 171732 states have internal predecessors, (253005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 23:00:13,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171733 states to 171733 states and 253005 transitions. [2024-11-19 23:00:13,857 INFO L78 Accepts]: Start accepts. Automaton has 171733 states and 253005 transitions. Word has length 166 [2024-11-19 23:00:13,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:00:13,857 INFO L471 AbstractCegarLoop]: Abstraction has 171733 states and 253005 transitions. [2024-11-19 23:00:13,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 23:00:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 171733 states and 253005 transitions. [2024-11-19 23:00:13,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-19 23:00:13,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:00:13,880 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:00:13,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 23:00:13,881 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 23:00:13,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:00:13,881 INFO L85 PathProgramCache]: Analyzing trace with hash 572311663, now seen corresponding path program 1 times [2024-11-19 23:00:13,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:00:13,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729104280] [2024-11-19 23:00:13,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:00:13,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:00:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:00:14,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 23:00:14,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:00:14,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729104280] [2024-11-19 23:00:14,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729104280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 23:00:14,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 23:00:14,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 23:00:14,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551003476] [2024-11-19 23:00:14,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 23:00:14,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 23:00:14,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:00:14,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 23:00:14,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-19 23:00:14,204 INFO L87 Difference]: Start difference. First operand 171733 states and 253005 transitions. Second operand has 9 states, 9 states have (on average 19.0) internal successors, (171), 8 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 23:00:16,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:00:16,377 INFO L93 Difference]: Finished difference Result 545429 states and 806875 transitions. [2024-11-19 23:00:16,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 23:00:16,377 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.0) internal successors, (171), 8 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-19 23:00:16,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:00:17,648 INFO L225 Difference]: With dead ends: 545429 [2024-11-19 23:00:17,648 INFO L226 Difference]: Without dead ends: 376438 [2024-11-19 23:00:17,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=221, Unknown=0, NotChecked=0, Total=342 [2024-11-19 23:00:17,776 INFO L432 NwaCegarLoop]: 465 mSDtfsCounter, 5781 mSDsluCounter, 2275 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5781 SdHoareTripleChecker+Valid, 2740 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 23:00:17,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5781 Valid, 2740 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 23:00:17,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376438 states. [2024-11-19 23:00:21,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376438 to 162819. [2024-11-19 23:00:21,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162819 states, 162814 states have (on average 1.4825690665421893) internal successors, (241383), 162818 states have internal predecessors, (241383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 23:00:21,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162819 states to 162819 states and 241383 transitions. [2024-11-19 23:00:21,733 INFO L78 Accepts]: Start accepts. Automaton has 162819 states and 241383 transitions. Word has length 171 [2024-11-19 23:00:21,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:00:21,734 INFO L471 AbstractCegarLoop]: Abstraction has 162819 states and 241383 transitions. [2024-11-19 23:00:21,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.0) internal successors, (171), 8 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 23:00:21,734 INFO L276 IsEmpty]: Start isEmpty. Operand 162819 states and 241383 transitions. [2024-11-19 23:00:21,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-19 23:00:21,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:00:21,751 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:00:21,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 23:00:21,751 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 23:00:21,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:00:21,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1547419730, now seen corresponding path program 1 times [2024-11-19 23:00:21,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:00:21,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686566483] [2024-11-19 23:00:21,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:00:21,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:00:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 23:00:21,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 23:00:21,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 23:00:21,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686566483] [2024-11-19 23:00:21,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686566483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 23:00:21,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 23:00:21,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 23:00:21,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775721651] [2024-11-19 23:00:21,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 23:00:21,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 23:00:21,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 23:00:21,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 23:00:21,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 23:00:21,972 INFO L87 Difference]: Start difference. First operand 162819 states and 241383 transitions. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 23:00:22,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 23:00:22,556 INFO L93 Difference]: Finished difference Result 233640 states and 347058 transitions. [2024-11-19 23:00:22,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 23:00:22,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2024-11-19 23:00:22,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 23:00:22,767 INFO L225 Difference]: With dead ends: 233640 [2024-11-19 23:00:22,767 INFO L226 Difference]: Without dead ends: 162345 [2024-11-19 23:00:23,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 23:00:23,382 INFO L432 NwaCegarLoop]: 654 mSDtfsCounter, 105 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 23:00:23,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1866 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 23:00:23,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162345 states. [2024-11-19 23:00:24,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162345 to 161910. [2024-11-19 23:00:25,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161910 states, 161905 states have (on average 1.4837157592415304) internal successors, (240221), 161909 states have internal predecessors, (240221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 23:00:25,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161910 states to 161910 states and 240221 transitions. [2024-11-19 23:00:25,316 INFO L78 Accepts]: Start accepts. Automaton has 161910 states and 240221 transitions. Word has length 171 [2024-11-19 23:00:25,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 23:00:25,317 INFO L471 AbstractCegarLoop]: Abstraction has 161910 states and 240221 transitions. [2024-11-19 23:00:25,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 23:00:25,317 INFO L276 IsEmpty]: Start isEmpty. Operand 161910 states and 240221 transitions. [2024-11-19 23:00:25,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-19 23:00:25,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 23:00:25,332 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 23:00:25,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 23:00:25,333 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-19 23:00:25,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 23:00:25,333 INFO L85 PathProgramCache]: Analyzing trace with hash -2106025508, now seen corresponding path program 1 times [2024-11-19 23:00:25,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 23:00:25,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470628612] [2024-11-19 23:00:25,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 23:00:25,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 23:00:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat