./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.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 8903dcb91a7500453f98b743541ef164d589c2f5828e51ac11fb5ea90b79c3dd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:50:27,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:50:27,249 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:50:27,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:50:27,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:50:27,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:50:27,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:50:27,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:50:27,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:50:27,278 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:50:27,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:50:27,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:50:27,279 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:50:27,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:50:27,280 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:50:27,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:50:27,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:50:27,281 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:50:27,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:50:27,282 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:50:27,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:50:27,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:50:27,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:50:27,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:50:27,287 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:50:27,287 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:50:27,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:50:27,287 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:50:27,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:50:27,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:50:27,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:50:27,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:50:27,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:50:27,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:50:27,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:50:27,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:50:27,293 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:50:27,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:50:27,294 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:50:27,294 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:50:27,295 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:50:27,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:50:27,296 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8903dcb91a7500453f98b743541ef164d589c2f5828e51ac11fb5ea90b79c3dd [2024-11-22 02:50:27,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:50:27,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:50:27,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:50:27,573 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:50:27,573 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:50:27,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-22 02:50:29,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:50:29,315 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:50:29,316 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-22 02:50:29,344 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e442a646/f1f4d0e4da794a71add567ea26adafa3/FLAG41abaf881 [2024-11-22 02:50:29,356 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e442a646/f1f4d0e4da794a71add567ea26adafa3 [2024-11-22 02:50:29,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:50:29,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:50:29,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:50:29,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:50:29,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:50:29,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:50:29" (1/1) ... [2024-11-22 02:50:29,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36eb86d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:29, skipping insertion in model container [2024-11-22 02:50:29,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:50:29" (1/1) ... [2024-11-22 02:50:29,425 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:50:29,690 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[7543,7556] [2024-11-22 02:50:29,718 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[10430,10443] [2024-11-22 02:50:29,733 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[11521,11534] [2024-11-22 02:50:29,746 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[12127,12140] [2024-11-22 02:50:29,762 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[13546,13559] [2024-11-22 02:50:29,771 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14152,14165] [2024-11-22 02:50:29,779 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15123,15136] [2024-11-22 02:50:29,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:50:29,842 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:50:29,908 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[7543,7556] [2024-11-22 02:50:29,927 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[10430,10443] [2024-11-22 02:50:29,940 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[11521,11534] [2024-11-22 02:50:29,948 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[12127,12140] [2024-11-22 02:50:29,956 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[13546,13559] [2024-11-22 02:50:29,959 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14152,14165] [2024-11-22 02:50:29,962 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15123,15136] [2024-11-22 02:50:29,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:50:30,008 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:50:30,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:30 WrapperNode [2024-11-22 02:50:30,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:50:30,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:50:30,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:50:30,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:50:30,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:30" (1/1) ... [2024-11-22 02:50:30,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:30" (1/1) ... [2024-11-22 02:50:30,096 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1104 [2024-11-22 02:50:30,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:50:30,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:50:30,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:50:30,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:50:30,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:30" (1/1) ... [2024-11-22 02:50:30,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:30" (1/1) ... [2024-11-22 02:50:30,125 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:30" (1/1) ... [2024-11-22 02:50:30,148 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]. [2024-11-22 02:50:30,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:30" (1/1) ... [2024-11-22 02:50:30,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:30" (1/1) ... [2024-11-22 02:50:30,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:30" (1/1) ... [2024-11-22 02:50:30,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:30" (1/1) ... [2024-11-22 02:50:30,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:30" (1/1) ... [2024-11-22 02:50:30,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:30" (1/1) ... [2024-11-22 02:50:30,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:50:30,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:50:30,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:50:30,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:50:30,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:30" (1/1) ... [2024-11-22 02:50:30,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:50:30,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:50:30,249 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) [2024-11-22 02:50:30,253 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 [2024-11-22 02:50:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:50:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:50:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:50:30,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:50:30,450 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:50:30,451 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:50:31,254 INFO L? ?]: Removed 178 outVars from TransFormulas that were not future-live. [2024-11-22 02:50:31,254 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:50:31,281 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:50:31,281 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 02:50:31,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:50:31 BoogieIcfgContainer [2024-11-22 02:50:31,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:50:31,285 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:50:31,285 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:50:31,289 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:50:31,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:50:29" (1/3) ... [2024-11-22 02:50:31,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526e272f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:50:31, skipping insertion in model container [2024-11-22 02:50:31,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:30" (2/3) ... [2024-11-22 02:50:31,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526e272f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:50:31, skipping insertion in model container [2024-11-22 02:50:31,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:50:31" (3/3) ... [2024-11-22 02:50:31,295 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-22 02:50:31,310 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:50:31,310 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-22 02:50:31,385 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:50:31,393 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;@31eec148, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:50:31,394 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-22 02:50:31,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 207 states, 199 states have (on average 1.8241206030150754) internal successors, (363), 206 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:31,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-22 02:50:31,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:31,417 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] [2024-11-22 02:50:31,418 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:31,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:31,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1485336045, now seen corresponding path program 1 times [2024-11-22 02:50:31,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:31,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527588735] [2024-11-22 02:50:31,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:31,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:31,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:31,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:31,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527588735] [2024-11-22 02:50:31,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527588735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:31,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:31,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:50:31,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743320842] [2024-11-22 02:50:31,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:31,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:50:31,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:32,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:50:32,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:50:32,024 INFO L87 Difference]: Start difference. First operand has 207 states, 199 states have (on average 1.8241206030150754) internal successors, (363), 206 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:32,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:32,280 INFO L93 Difference]: Finished difference Result 339 states and 570 transitions. [2024-11-22 02:50:32,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:50:32,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2024-11-22 02:50:32,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:32,295 INFO L225 Difference]: With dead ends: 339 [2024-11-22 02:50:32,296 INFO L226 Difference]: Without dead ends: 175 [2024-11-22 02:50:32,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:50:32,305 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 851 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:32,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 224 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:50:32,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-22 02:50:32,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-11-22 02:50:32,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 168 states have (on average 1.2857142857142858) internal successors, (216), 174 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:32,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 216 transitions. [2024-11-22 02:50:32,359 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 216 transitions. Word has length 47 [2024-11-22 02:50:32,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:32,359 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 216 transitions. [2024-11-22 02:50:32,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:32,360 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 216 transitions. [2024-11-22 02:50:32,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-22 02:50:32,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:32,362 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] [2024-11-22 02:50:32,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 02:50:32,362 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:32,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:32,363 INFO L85 PathProgramCache]: Analyzing trace with hash 200422799, now seen corresponding path program 1 times [2024-11-22 02:50:32,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:32,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061835984] [2024-11-22 02:50:32,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:32,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:32,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:32,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:32,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061835984] [2024-11-22 02:50:32,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061835984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:32,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:32,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:50:32,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053392501] [2024-11-22 02:50:32,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:32,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:50:32,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:32,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:50:32,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:50:32,528 INFO L87 Difference]: Start difference. First operand 175 states and 216 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:32,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:32,790 INFO L93 Difference]: Finished difference Result 298 states and 377 transitions. [2024-11-22 02:50:32,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:50:32,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2024-11-22 02:50:32,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:32,792 INFO L225 Difference]: With dead ends: 298 [2024-11-22 02:50:32,792 INFO L226 Difference]: Without dead ends: 162 [2024-11-22 02:50:32,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:50:32,794 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 557 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:32,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 131 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:50:32,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-22 02:50:32,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-11-22 02:50:32,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 155 states have (on average 1.2903225806451613) internal successors, (200), 161 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:32,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 200 transitions. [2024-11-22 02:50:32,803 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 200 transitions. Word has length 48 [2024-11-22 02:50:32,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:32,803 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 200 transitions. [2024-11-22 02:50:32,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:32,803 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 200 transitions. [2024-11-22 02:50:32,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-22 02:50:32,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:32,805 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] [2024-11-22 02:50:32,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 02:50:32,805 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:32,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:32,806 INFO L85 PathProgramCache]: Analyzing trace with hash -2021523794, now seen corresponding path program 1 times [2024-11-22 02:50:32,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:32,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789369482] [2024-11-22 02:50:32,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:32,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:32,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:32,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:32,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789369482] [2024-11-22 02:50:32,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789369482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:32,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:32,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:50:32,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777908775] [2024-11-22 02:50:32,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:32,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:50:32,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:32,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:50:32,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:50:32,940 INFO L87 Difference]: Start difference. First operand 162 states and 200 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:33,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:33,078 INFO L93 Difference]: Finished difference Result 285 states and 360 transitions. [2024-11-22 02:50:33,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:50:33,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2024-11-22 02:50:33,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:33,081 INFO L225 Difference]: With dead ends: 285 [2024-11-22 02:50:33,083 INFO L226 Difference]: Without dead ends: 157 [2024-11-22 02:50:33,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:50:33,085 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 523 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:33,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 128 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:50:33,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-22 02:50:33,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2024-11-22 02:50:33,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 150 states have (on average 1.2866666666666666) internal successors, (193), 156 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:33,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 193 transitions. [2024-11-22 02:50:33,098 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 193 transitions. Word has length 49 [2024-11-22 02:50:33,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:33,099 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 193 transitions. [2024-11-22 02:50:33,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:33,100 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 193 transitions. [2024-11-22 02:50:33,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-22 02:50:33,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:33,103 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] [2024-11-22 02:50:33,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 02:50:33,104 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:33,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:33,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1243075504, now seen corresponding path program 1 times [2024-11-22 02:50:33,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:33,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815892202] [2024-11-22 02:50:33,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:33,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:33,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:33,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:33,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815892202] [2024-11-22 02:50:33,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815892202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:33,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:33,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:50:33,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672086835] [2024-11-22 02:50:33,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:33,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:50:33,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:33,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:50:33,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:50:33,534 INFO L87 Difference]: Start difference. First operand 157 states and 193 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:33,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:33,931 INFO L93 Difference]: Finished difference Result 244 states and 303 transitions. [2024-11-22 02:50:33,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 02:50:33,932 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2024-11-22 02:50:33,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:33,934 INFO L225 Difference]: With dead ends: 244 [2024-11-22 02:50:33,934 INFO L226 Difference]: Without dead ends: 239 [2024-11-22 02:50:33,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-22 02:50:33,938 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 860 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:33,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 484 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 02:50:33,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-22 02:50:33,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 157. [2024-11-22 02:50:33,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 150 states have (on average 1.28) internal successors, (192), 156 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:33,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 192 transitions. [2024-11-22 02:50:33,949 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 192 transitions. Word has length 50 [2024-11-22 02:50:33,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:33,950 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 192 transitions. [2024-11-22 02:50:33,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:33,950 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 192 transitions. [2024-11-22 02:50:33,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-22 02:50:33,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:33,951 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] [2024-11-22 02:50:33,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 02:50:33,952 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:33,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:33,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1139694690, now seen corresponding path program 1 times [2024-11-22 02:50:33,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:33,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982056373] [2024-11-22 02:50:33,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:33,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:34,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:34,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:34,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982056373] [2024-11-22 02:50:34,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982056373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:34,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:34,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:50:34,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664755053] [2024-11-22 02:50:34,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:34,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:50:34,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:34,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:50:34,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:50:34,306 INFO L87 Difference]: Start difference. First operand 157 states and 192 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:34,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:34,741 INFO L93 Difference]: Finished difference Result 303 states and 386 transitions. [2024-11-22 02:50:34,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 02:50:34,742 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2024-11-22 02:50:34,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:34,744 INFO L225 Difference]: With dead ends: 303 [2024-11-22 02:50:34,744 INFO L226 Difference]: Without dead ends: 243 [2024-11-22 02:50:34,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-22 02:50:34,747 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 880 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:34,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 624 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 02:50:34,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-22 02:50:34,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 157. [2024-11-22 02:50:34,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 150 states have (on average 1.2733333333333334) internal successors, (191), 156 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:34,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 191 transitions. [2024-11-22 02:50:34,756 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 191 transitions. Word has length 50 [2024-11-22 02:50:34,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:34,757 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 191 transitions. [2024-11-22 02:50:34,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:34,760 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 191 transitions. [2024-11-22 02:50:34,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-22 02:50:34,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:34,762 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] [2024-11-22 02:50:34,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 02:50:34,762 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:34,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:34,763 INFO L85 PathProgramCache]: Analyzing trace with hash 134088220, now seen corresponding path program 1 times [2024-11-22 02:50:34,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:34,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007517302] [2024-11-22 02:50:34,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:34,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:35,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:35,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:35,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007517302] [2024-11-22 02:50:35,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007517302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:35,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:35,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 02:50:35,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911425788] [2024-11-22 02:50:35,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:35,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 02:50:35,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:35,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 02:50:35,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 02:50:35,036 INFO L87 Difference]: Start difference. First operand 157 states and 191 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:35,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:35,348 INFO L93 Difference]: Finished difference Result 312 states and 389 transitions. [2024-11-22 02:50:35,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 02:50:35,352 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2024-11-22 02:50:35,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:35,353 INFO L225 Difference]: With dead ends: 312 [2024-11-22 02:50:35,353 INFO L226 Difference]: Without dead ends: 229 [2024-11-22 02:50:35,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-22 02:50:35,355 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 964 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 964 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:35,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [964 Valid, 389 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:50:35,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-11-22 02:50:35,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 157. [2024-11-22 02:50:35,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 150 states have (on average 1.2666666666666666) internal successors, (190), 156 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:35,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 190 transitions. [2024-11-22 02:50:35,360 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 190 transitions. Word has length 50 [2024-11-22 02:50:35,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:35,360 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 190 transitions. [2024-11-22 02:50:35,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:35,361 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 190 transitions. [2024-11-22 02:50:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 02:50:35,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:35,362 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] [2024-11-22 02:50:35,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 02:50:35,362 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:35,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:35,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1263855603, now seen corresponding path program 1 times [2024-11-22 02:50:35,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:35,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202756856] [2024-11-22 02:50:35,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:35,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:36,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:36,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:36,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202756856] [2024-11-22 02:50:36,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202756856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:36,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:36,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-22 02:50:36,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853524726] [2024-11-22 02:50:36,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:36,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-22 02:50:36,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:36,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-22 02:50:36,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-11-22 02:50:36,472 INFO L87 Difference]: Start difference. First operand 157 states and 190 transitions. Second operand has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 19 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:37,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:37,971 INFO L93 Difference]: Finished difference Result 436 states and 556 transitions. [2024-11-22 02:50:37,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 02:50:37,972 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 19 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2024-11-22 02:50:37,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:37,974 INFO L225 Difference]: With dead ends: 436 [2024-11-22 02:50:37,975 INFO L226 Difference]: Without dead ends: 389 [2024-11-22 02:50:37,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=235, Invalid=887, Unknown=0, NotChecked=0, Total=1122 [2024-11-22 02:50:37,976 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 1549 mSDsluCounter, 2095 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1549 SdHoareTripleChecker+Valid, 2287 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:37,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1549 Valid, 2287 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 02:50:37,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-22 02:50:37,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 163. [2024-11-22 02:50:37,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 156 states have (on average 1.2692307692307692) internal successors, (198), 162 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:37,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 198 transitions. [2024-11-22 02:50:37,986 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 198 transitions. Word has length 52 [2024-11-22 02:50:37,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:37,988 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 198 transitions. [2024-11-22 02:50:37,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 19 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:37,988 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 198 transitions. [2024-11-22 02:50:37,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 02:50:37,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:37,989 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] [2024-11-22 02:50:37,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 02:50:37,990 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:37,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:37,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1250594545, now seen corresponding path program 1 times [2024-11-22 02:50:37,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:37,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396492718] [2024-11-22 02:50:37,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:37,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:39,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:39,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:39,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396492718] [2024-11-22 02:50:39,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396492718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:39,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:39,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-22 02:50:39,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569293237] [2024-11-22 02:50:39,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:39,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-22 02:50:39,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:39,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-22 02:50:39,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2024-11-22 02:50:39,028 INFO L87 Difference]: Start difference. First operand 163 states and 198 transitions. Second operand has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 19 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:40,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:40,666 INFO L93 Difference]: Finished difference Result 389 states and 488 transitions. [2024-11-22 02:50:40,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 02:50:40,667 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 19 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2024-11-22 02:50:40,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:40,669 INFO L225 Difference]: With dead ends: 389 [2024-11-22 02:50:40,669 INFO L226 Difference]: Without dead ends: 383 [2024-11-22 02:50:40,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=285, Invalid=975, Unknown=0, NotChecked=0, Total=1260 [2024-11-22 02:50:40,671 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 1522 mSDsluCounter, 2421 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 2612 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:40,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1522 Valid, 2612 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 02:50:40,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-22 02:50:40,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 163. [2024-11-22 02:50:40,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 156 states have (on average 1.2628205128205128) internal successors, (197), 162 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:40,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 197 transitions. [2024-11-22 02:50:40,677 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 197 transitions. Word has length 52 [2024-11-22 02:50:40,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:40,677 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 197 transitions. [2024-11-22 02:50:40,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.736842105263158) internal successors, (52), 19 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:40,678 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 197 transitions. [2024-11-22 02:50:40,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 02:50:40,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:40,679 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] [2024-11-22 02:50:40,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 02:50:40,679 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:40,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:40,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1783814727, now seen corresponding path program 1 times [2024-11-22 02:50:40,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:40,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673386521] [2024-11-22 02:50:40,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:40,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:41,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:41,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673386521] [2024-11-22 02:50:41,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673386521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:41,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:41,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 02:50:41,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470726804] [2024-11-22 02:50:41,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:41,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 02:50:41,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:41,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 02:50:41,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-22 02:50:41,202 INFO L87 Difference]: Start difference. First operand 163 states and 197 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:41,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:41,778 INFO L93 Difference]: Finished difference Result 290 states and 370 transitions. [2024-11-22 02:50:41,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 02:50:41,778 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2024-11-22 02:50:41,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:41,779 INFO L225 Difference]: With dead ends: 290 [2024-11-22 02:50:41,779 INFO L226 Difference]: Without dead ends: 236 [2024-11-22 02:50:41,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-22 02:50:41,780 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 827 mSDsluCounter, 1306 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 1545 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:41,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 1545 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:50:41,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-22 02:50:41,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 152. [2024-11-22 02:50:41,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 146 states have (on average 1.2671232876712328) internal successors, (185), 151 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:41,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 185 transitions. [2024-11-22 02:50:41,785 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 185 transitions. Word has length 52 [2024-11-22 02:50:41,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:41,785 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 185 transitions. [2024-11-22 02:50:41,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:41,785 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 185 transitions. [2024-11-22 02:50:41,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 02:50:41,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:41,786 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] [2024-11-22 02:50:41,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 02:50:41,786 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:41,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:41,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1706910886, now seen corresponding path program 1 times [2024-11-22 02:50:41,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:41,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33270080] [2024-11-22 02:50:41,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:41,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:42,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:42,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:42,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33270080] [2024-11-22 02:50:42,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33270080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:42,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:42,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 02:50:42,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309610063] [2024-11-22 02:50:42,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:42,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 02:50:42,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:42,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 02:50:42,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-22 02:50:42,223 INFO L87 Difference]: Start difference. First operand 152 states and 185 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:42,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:42,765 INFO L93 Difference]: Finished difference Result 222 states and 276 transitions. [2024-11-22 02:50:42,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 02:50:42,767 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2024-11-22 02:50:42,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:42,768 INFO L225 Difference]: With dead ends: 222 [2024-11-22 02:50:42,768 INFO L226 Difference]: Without dead ends: 218 [2024-11-22 02:50:42,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-22 02:50:42,769 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 817 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:42,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 1030 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:50:42,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-22 02:50:42,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 148. [2024-11-22 02:50:42,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 143 states have (on average 1.2657342657342658) internal successors, (181), 147 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:42,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 181 transitions. [2024-11-22 02:50:42,775 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 181 transitions. Word has length 52 [2024-11-22 02:50:42,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:42,776 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 181 transitions. [2024-11-22 02:50:42,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:42,776 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 181 transitions. [2024-11-22 02:50:42,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-22 02:50:42,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:42,777 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] [2024-11-22 02:50:42,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 02:50:42,778 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:42,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:42,778 INFO L85 PathProgramCache]: Analyzing trace with hash 190692674, now seen corresponding path program 1 times [2024-11-22 02:50:42,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:42,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144007971] [2024-11-22 02:50:42,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:42,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:42,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:42,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:42,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144007971] [2024-11-22 02:50:42,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144007971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:42,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:42,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:50:42,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002328985] [2024-11-22 02:50:42,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:42,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:50:42,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:42,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:50:42,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:50:42,977 INFO L87 Difference]: Start difference. First operand 148 states and 181 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:43,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:43,303 INFO L93 Difference]: Finished difference Result 227 states and 280 transitions. [2024-11-22 02:50:43,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 02:50:43,303 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2024-11-22 02:50:43,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:43,304 INFO L225 Difference]: With dead ends: 227 [2024-11-22 02:50:43,304 INFO L226 Difference]: Without dead ends: 220 [2024-11-22 02:50:43,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-22 02:50:43,306 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 444 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:43,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 451 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:50:43,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-22 02:50:43,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 148. [2024-11-22 02:50:43,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 143 states have (on average 1.2517482517482517) internal successors, (179), 147 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:43,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 179 transitions. [2024-11-22 02:50:43,310 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 179 transitions. Word has length 53 [2024-11-22 02:50:43,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:43,310 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 179 transitions. [2024-11-22 02:50:43,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:43,311 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 179 transitions. [2024-11-22 02:50:43,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-22 02:50:43,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:43,312 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] [2024-11-22 02:50:43,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 02:50:43,312 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:43,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:43,312 INFO L85 PathProgramCache]: Analyzing trace with hash -185701506, now seen corresponding path program 1 times [2024-11-22 02:50:43,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:43,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407413347] [2024-11-22 02:50:43,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:43,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:43,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:43,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407413347] [2024-11-22 02:50:43,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407413347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:43,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:43,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-22 02:50:43,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469127417] [2024-11-22 02:50:43,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:43,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 02:50:43,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:43,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 02:50:43,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-22 02:50:43,879 INFO L87 Difference]: Start difference. First operand 148 states and 179 transitions. Second operand has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:44,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:44,664 INFO L93 Difference]: Finished difference Result 403 states and 523 transitions. [2024-11-22 02:50:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 02:50:44,665 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2024-11-22 02:50:44,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:44,666 INFO L225 Difference]: With dead ends: 403 [2024-11-22 02:50:44,666 INFO L226 Difference]: Without dead ends: 356 [2024-11-22 02:50:44,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2024-11-22 02:50:44,668 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 909 mSDsluCounter, 1431 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 1638 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:44,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [909 Valid, 1638 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 02:50:44,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-22 02:50:44,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 138. [2024-11-22 02:50:44,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 134 states have (on average 1.2462686567164178) internal successors, (167), 137 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:44,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 167 transitions. [2024-11-22 02:50:44,672 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 167 transitions. Word has length 53 [2024-11-22 02:50:44,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:44,672 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 167 transitions. [2024-11-22 02:50:44,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:44,673 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 167 transitions. [2024-11-22 02:50:44,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-22 02:50:44,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:44,673 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] [2024-11-22 02:50:44,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 02:50:44,674 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:44,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:44,674 INFO L85 PathProgramCache]: Analyzing trace with hash -659119293, now seen corresponding path program 1 times [2024-11-22 02:50:44,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:44,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790148471] [2024-11-22 02:50:44,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:44,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:44,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:44,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790148471] [2024-11-22 02:50:44,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790148471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:44,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:44,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:50:44,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216045509] [2024-11-22 02:50:44,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:44,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:50:44,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:44,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:50:44,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:50:44,858 INFO L87 Difference]: Start difference. First operand 138 states and 167 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:45,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:45,202 INFO L93 Difference]: Finished difference Result 223 states and 273 transitions. [2024-11-22 02:50:45,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 02:50:45,202 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2024-11-22 02:50:45,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:45,203 INFO L225 Difference]: With dead ends: 223 [2024-11-22 02:50:45,203 INFO L226 Difference]: Without dead ends: 216 [2024-11-22 02:50:45,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-22 02:50:45,204 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 594 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:45,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 583 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:50:45,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-22 02:50:45,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 138. [2024-11-22 02:50:45,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 134 states have (on average 1.2388059701492538) internal successors, (166), 137 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) [2024-11-22 02:50:45,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 166 transitions. [2024-11-22 02:50:45,210 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 166 transitions. Word has length 53 [2024-11-22 02:50:45,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:45,210 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 166 transitions. [2024-11-22 02:50:45,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:45,211 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 166 transitions. [2024-11-22 02:50:45,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-22 02:50:45,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:45,211 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] [2024-11-22 02:50:45,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 02:50:45,212 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:45,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:45,212 INFO L85 PathProgramCache]: Analyzing trace with hash 339917441, now seen corresponding path program 1 times [2024-11-22 02:50:45,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:45,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459532601] [2024-11-22 02:50:45,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:45,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:45,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:45,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:45,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459532601] [2024-11-22 02:50:45,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459532601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:45,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:45,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:50:45,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612514226] [2024-11-22 02:50:45,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:45,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:50:45,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:45,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:50:45,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:50:45,400 INFO L87 Difference]: Start difference. First operand 138 states and 166 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:45,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:45,774 INFO L93 Difference]: Finished difference Result 281 states and 356 transitions. [2024-11-22 02:50:45,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 02:50:45,774 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2024-11-22 02:50:45,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:45,775 INFO L225 Difference]: With dead ends: 281 [2024-11-22 02:50:45,775 INFO L226 Difference]: Without dead ends: 220 [2024-11-22 02:50:45,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-22 02:50:45,776 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 341 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:45,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 661 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 02:50:45,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-22 02:50:45,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 138. [2024-11-22 02:50:45,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 134 states have (on average 1.2313432835820894) internal successors, (165), 137 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) [2024-11-22 02:50:45,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 165 transitions. [2024-11-22 02:50:45,780 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 165 transitions. Word has length 53 [2024-11-22 02:50:45,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:45,780 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 165 transitions. [2024-11-22 02:50:45,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:45,781 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 165 transitions. [2024-11-22 02:50:45,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 02:50:45,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:45,781 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] [2024-11-22 02:50:45,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 02:50:45,782 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:45,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:45,782 INFO L85 PathProgramCache]: Analyzing trace with hash -11876974, now seen corresponding path program 1 times [2024-11-22 02:50:45,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:45,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177343412] [2024-11-22 02:50:45,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:45,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:46,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:46,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:46,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177343412] [2024-11-22 02:50:46,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177343412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:46,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:46,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-22 02:50:46,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158619474] [2024-11-22 02:50:46,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:46,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 02:50:46,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:46,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 02:50:46,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-22 02:50:46,193 INFO L87 Difference]: Start difference. First operand 138 states and 165 transitions. Second operand has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:46,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:46,632 INFO L93 Difference]: Finished difference Result 334 states and 423 transitions. [2024-11-22 02:50:46,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 02:50:46,632 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2024-11-22 02:50:46,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:46,633 INFO L225 Difference]: With dead ends: 334 [2024-11-22 02:50:46,634 INFO L226 Difference]: Without dead ends: 316 [2024-11-22 02:50:46,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-22 02:50:46,634 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 717 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:46,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 955 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:50:46,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-22 02:50:46,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 120. [2024-11-22 02:50:46,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 117 states have (on average 1.2393162393162394) internal successors, (145), 119 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:46,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 145 transitions. [2024-11-22 02:50:46,639 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 145 transitions. Word has length 55 [2024-11-22 02:50:46,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:46,639 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 145 transitions. [2024-11-22 02:50:46,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:46,640 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 145 transitions. [2024-11-22 02:50:46,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 02:50:46,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:46,640 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] [2024-11-22 02:50:46,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 02:50:46,641 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:46,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:46,641 INFO L85 PathProgramCache]: Analyzing trace with hash -637393645, now seen corresponding path program 1 times [2024-11-22 02:50:46,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:46,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171976864] [2024-11-22 02:50:46,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:46,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:47,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:47,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:47,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171976864] [2024-11-22 02:50:47,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171976864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:47,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:47,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-22 02:50:47,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372763956] [2024-11-22 02:50:47,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:47,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 02:50:47,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:47,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 02:50:47,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2024-11-22 02:50:47,362 INFO L87 Difference]: Start difference. First operand 120 states and 145 transitions. Second operand has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:48,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:48,535 INFO L93 Difference]: Finished difference Result 328 states and 417 transitions. [2024-11-22 02:50:48,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 02:50:48,536 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2024-11-22 02:50:48,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:48,537 INFO L225 Difference]: With dead ends: 328 [2024-11-22 02:50:48,537 INFO L226 Difference]: Without dead ends: 320 [2024-11-22 02:50:48,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=211, Invalid=911, Unknown=0, NotChecked=0, Total=1122 [2024-11-22 02:50:48,538 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 766 mSDsluCounter, 2617 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 2875 SdHoareTripleChecker+Invalid, 1322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:48,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [766 Valid, 2875 Invalid, 1322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1314 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 02:50:48,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-22 02:50:48,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 129. [2024-11-22 02:50:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 126 states have (on average 1.2380952380952381) internal successors, (156), 128 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) [2024-11-22 02:50:48,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 156 transitions. [2024-11-22 02:50:48,543 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 156 transitions. Word has length 55 [2024-11-22 02:50:48,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:48,543 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 156 transitions. [2024-11-22 02:50:48,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:48,544 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 156 transitions. [2024-11-22 02:50:48,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 02:50:48,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:48,544 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] [2024-11-22 02:50:48,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 02:50:48,545 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:48,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:48,545 INFO L85 PathProgramCache]: Analyzing trace with hash -824240014, now seen corresponding path program 1 times [2024-11-22 02:50:48,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:48,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169836909] [2024-11-22 02:50:48,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:48,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:49,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:49,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:49,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169836909] [2024-11-22 02:50:49,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169836909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:49,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:49,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-22 02:50:49,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006382675] [2024-11-22 02:50:49,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:49,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 02:50:49,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:49,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 02:50:49,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-22 02:50:49,221 INFO L87 Difference]: Start difference. First operand 129 states and 156 transitions. Second operand has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:50,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:50,162 INFO L93 Difference]: Finished difference Result 332 states and 423 transitions. [2024-11-22 02:50:50,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 02:50:50,162 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2024-11-22 02:50:50,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:50,164 INFO L225 Difference]: With dead ends: 332 [2024-11-22 02:50:50,164 INFO L226 Difference]: Without dead ends: 326 [2024-11-22 02:50:50,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2024-11-22 02:50:50,165 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 698 mSDsluCounter, 2088 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 2327 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:50,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 2327 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 02:50:50,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-22 02:50:50,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 135. [2024-11-22 02:50:50,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 132 states have (on average 1.2424242424242424) internal successors, (164), 134 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) [2024-11-22 02:50:50,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 164 transitions. [2024-11-22 02:50:50,169 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 164 transitions. Word has length 55 [2024-11-22 02:50:50,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:50,170 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 164 transitions. [2024-11-22 02:50:50,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:50,170 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 164 transitions. [2024-11-22 02:50:50,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-22 02:50:50,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:50,170 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] [2024-11-22 02:50:50,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 02:50:50,171 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:50,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:50,171 INFO L85 PathProgramCache]: Analyzing trace with hash -808849069, now seen corresponding path program 1 times [2024-11-22 02:50:50,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:50,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253016944] [2024-11-22 02:50:50,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:50,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:50,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:50,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:50,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253016944] [2024-11-22 02:50:50,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253016944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:50,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:50,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 02:50:50,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663197096] [2024-11-22 02:50:50,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:50,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 02:50:50,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:50,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 02:50:50,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-22 02:50:50,590 INFO L87 Difference]: Start difference. First operand 135 states and 164 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:50,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:50,996 INFO L93 Difference]: Finished difference Result 197 states and 248 transitions. [2024-11-22 02:50:50,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 02:50:50,997 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2024-11-22 02:50:50,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:50,997 INFO L225 Difference]: With dead ends: 197 [2024-11-22 02:50:50,998 INFO L226 Difference]: Without dead ends: 182 [2024-11-22 02:50:50,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-22 02:50:50,999 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 503 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:51,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 1055 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:50:51,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-22 02:50:51,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 119. [2024-11-22 02:50:51,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 117 states have (on average 1.2478632478632479) internal successors, (146), 118 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:51,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 146 transitions. [2024-11-22 02:50:51,003 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 146 transitions. Word has length 56 [2024-11-22 02:50:51,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:51,003 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 146 transitions. [2024-11-22 02:50:51,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:51,003 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 146 transitions. [2024-11-22 02:50:51,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-22 02:50:51,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:51,004 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:50:51,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 02:50:51,004 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:51,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:51,004 INFO L85 PathProgramCache]: Analyzing trace with hash -995695438, now seen corresponding path program 1 times [2024-11-22 02:50:51,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:51,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047989033] [2024-11-22 02:50:51,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:51,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:51,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:51,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:51,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047989033] [2024-11-22 02:50:51,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047989033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:51,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:51,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 02:50:51,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126512614] [2024-11-22 02:50:51,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:51,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 02:50:51,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:51,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 02:50:51,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-22 02:50:51,422 INFO L87 Difference]: Start difference. First operand 119 states and 146 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:51,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:51,802 INFO L93 Difference]: Finished difference Result 175 states and 225 transitions. [2024-11-22 02:50:51,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 02:50:51,802 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 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 56 [2024-11-22 02:50:51,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:51,803 INFO L225 Difference]: With dead ends: 175 [2024-11-22 02:50:51,803 INFO L226 Difference]: Without dead ends: 169 [2024-11-22 02:50:51,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-22 02:50:51,804 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 551 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:51,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 868 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:50:51,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-22 02:50:51,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 102. [2024-11-22 02:50:51,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.2475247524752475) internal successors, (126), 101 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 126 transitions. [2024-11-22 02:50:51,807 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 126 transitions. Word has length 56 [2024-11-22 02:50:51,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:51,807 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 126 transitions. [2024-11-22 02:50:51,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:51,807 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 126 transitions. [2024-11-22 02:50:51,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-22 02:50:51,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:51,808 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] [2024-11-22 02:50:51,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 02:50:51,808 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:51,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:51,809 INFO L85 PathProgramCache]: Analyzing trace with hash 2042294308, now seen corresponding path program 1 times [2024-11-22 02:50:51,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:51,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097020004] [2024-11-22 02:50:51,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:51,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:51,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:51,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:51,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097020004] [2024-11-22 02:50:51,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097020004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:51,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:51,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:50:51,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174318710] [2024-11-22 02:50:51,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:51,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:50:51,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:51,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:50:51,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:50:51,891 INFO L87 Difference]: Start difference. First operand 102 states and 126 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:51,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:51,966 INFO L93 Difference]: Finished difference Result 360 states and 504 transitions. [2024-11-22 02:50:51,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 02:50:51,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2024-11-22 02:50:51,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:51,968 INFO L225 Difference]: With dead ends: 360 [2024-11-22 02:50:51,968 INFO L226 Difference]: Without dead ends: 317 [2024-11-22 02:50:51,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 02:50:51,969 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 479 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:51,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 599 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:50:51,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-22 02:50:51,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 143. [2024-11-22 02:50:51,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 142 states have (on average 1.3098591549295775) internal successors, (186), 142 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:51,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 186 transitions. [2024-11-22 02:50:51,975 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 186 transitions. Word has length 73 [2024-11-22 02:50:51,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:51,975 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 186 transitions. [2024-11-22 02:50:51,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:51,975 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 186 transitions. [2024-11-22 02:50:51,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-22 02:50:51,976 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:51,976 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:50:51,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 02:50:51,976 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:51,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:51,977 INFO L85 PathProgramCache]: Analyzing trace with hash -786943772, now seen corresponding path program 1 times [2024-11-22 02:50:51,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:51,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550833125] [2024-11-22 02:50:51,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:51,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:52,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:52,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550833125] [2024-11-22 02:50:52,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550833125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:52,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:52,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:50:52,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852841385] [2024-11-22 02:50:52,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:52,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:50:52,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:52,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:50:52,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:50:52,062 INFO L87 Difference]: Start difference. First operand 143 states and 186 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:52,118 INFO L93 Difference]: Finished difference Result 438 states and 616 transitions. [2024-11-22 02:50:52,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:50:52,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-11-22 02:50:52,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:52,120 INFO L225 Difference]: With dead ends: 438 [2024-11-22 02:50:52,120 INFO L226 Difference]: Without dead ends: 354 [2024-11-22 02:50:52,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:50:52,121 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 279 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:52,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 433 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:52,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-22 02:50:52,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 225. [2024-11-22 02:50:52,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 224 states have (on average 1.3705357142857142) internal successors, (307), 224 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 307 transitions. [2024-11-22 02:50:52,129 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 307 transitions. Word has length 75 [2024-11-22 02:50:52,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:52,129 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 307 transitions. [2024-11-22 02:50:52,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,130 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 307 transitions. [2024-11-22 02:50:52,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-22 02:50:52,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:52,130 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:50:52,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 02:50:52,131 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:52,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:52,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1322322984, now seen corresponding path program 1 times [2024-11-22 02:50:52,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:52,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812776497] [2024-11-22 02:50:52,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:52,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:52,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:52,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:52,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812776497] [2024-11-22 02:50:52,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812776497] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:52,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:52,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:50:52,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490170666] [2024-11-22 02:50:52,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:52,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:50:52,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:52,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:50:52,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:50:52,220 INFO L87 Difference]: Start difference. First operand 225 states and 307 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:52,285 INFO L93 Difference]: Finished difference Result 520 states and 737 transitions. [2024-11-22 02:50:52,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:50:52,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-11-22 02:50:52,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:52,287 INFO L225 Difference]: With dead ends: 520 [2024-11-22 02:50:52,287 INFO L226 Difference]: Without dead ends: 436 [2024-11-22 02:50:52,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:50:52,288 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 290 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:52,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 430 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:52,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-22 02:50:52,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 348. [2024-11-22 02:50:52,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 347 states have (on average 1.4063400576368876) internal successors, (488), 347 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 488 transitions. [2024-11-22 02:50:52,297 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 488 transitions. Word has length 75 [2024-11-22 02:50:52,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:52,297 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 488 transitions. [2024-11-22 02:50:52,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,297 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 488 transitions. [2024-11-22 02:50:52,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-22 02:50:52,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:52,298 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:50:52,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-22 02:50:52,298 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:52,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:52,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1446907099, now seen corresponding path program 1 times [2024-11-22 02:50:52,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:52,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099860902] [2024-11-22 02:50:52,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:52,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:52,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:52,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099860902] [2024-11-22 02:50:52,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099860902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:52,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:52,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:50:52,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171800380] [2024-11-22 02:50:52,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:52,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:50:52,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:52,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:50:52,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:50:52,347 INFO L87 Difference]: Start difference. First operand 348 states and 488 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:52,369 INFO L93 Difference]: Finished difference Result 639 states and 914 transitions. [2024-11-22 02:50:52,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:50:52,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-11-22 02:50:52,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:52,371 INFO L225 Difference]: With dead ends: 639 [2024-11-22 02:50:52,371 INFO L226 Difference]: Without dead ends: 350 [2024-11-22 02:50:52,372 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 [2024-11-22 02:50:52,372 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 50 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:52,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 200 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:52,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-22 02:50:52,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 348. [2024-11-22 02:50:52,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 347 states have (on average 1.3948126801152738) internal successors, (484), 347 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 484 transitions. [2024-11-22 02:50:52,378 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 484 transitions. Word has length 75 [2024-11-22 02:50:52,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:52,379 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 484 transitions. [2024-11-22 02:50:52,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,379 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 484 transitions. [2024-11-22 02:50:52,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-22 02:50:52,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:52,382 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:50:52,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-22 02:50:52,382 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:52,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:52,384 INFO L85 PathProgramCache]: Analyzing trace with hash 2078767204, now seen corresponding path program 1 times [2024-11-22 02:50:52,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:52,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208435554] [2024-11-22 02:50:52,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:52,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:52,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:52,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:52,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208435554] [2024-11-22 02:50:52,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208435554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:52,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:52,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:50:52,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072016199] [2024-11-22 02:50:52,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:52,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:50:52,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:52,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:50:52,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:50:52,434 INFO L87 Difference]: Start difference. First operand 348 states and 484 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:52,456 INFO L93 Difference]: Finished difference Result 881 states and 1251 transitions. [2024-11-22 02:50:52,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:50:52,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-11-22 02:50:52,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:52,459 INFO L225 Difference]: With dead ends: 881 [2024-11-22 02:50:52,459 INFO L226 Difference]: Without dead ends: 592 [2024-11-22 02:50:52,460 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 [2024-11-22 02:50:52,460 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 50 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:52,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 283 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:52,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2024-11-22 02:50:52,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 590. [2024-11-22 02:50:52,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 589 states have (on average 1.3837011884550086) internal successors, (815), 589 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 815 transitions. [2024-11-22 02:50:52,475 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 815 transitions. Word has length 75 [2024-11-22 02:50:52,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:52,475 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 815 transitions. [2024-11-22 02:50:52,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,476 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 815 transitions. [2024-11-22 02:50:52,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-22 02:50:52,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:52,477 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:50:52,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-22 02:50:52,477 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:52,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:52,477 INFO L85 PathProgramCache]: Analyzing trace with hash 95104542, now seen corresponding path program 1 times [2024-11-22 02:50:52,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:52,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593359601] [2024-11-22 02:50:52,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:52,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:52,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:52,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:52,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593359601] [2024-11-22 02:50:52,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593359601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:52,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:52,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:50:52,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243044570] [2024-11-22 02:50:52,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:52,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:50:52,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:52,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:50:52,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:50:52,569 INFO L87 Difference]: Start difference. First operand 590 states and 815 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:52,625 INFO L93 Difference]: Finished difference Result 1051 states and 1467 transitions. [2024-11-22 02:50:52,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:50:52,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-11-22 02:50:52,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:52,628 INFO L225 Difference]: With dead ends: 1051 [2024-11-22 02:50:52,629 INFO L226 Difference]: Without dead ends: 898 [2024-11-22 02:50:52,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-22 02:50:52,630 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 284 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:52,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 453 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:52,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-11-22 02:50:52,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 741. [2024-11-22 02:50:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 740 states have (on average 1.3905405405405404) internal successors, (1029), 740 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1029 transitions. [2024-11-22 02:50:52,649 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1029 transitions. Word has length 75 [2024-11-22 02:50:52,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:52,649 INFO L471 AbstractCegarLoop]: Abstraction has 741 states and 1029 transitions. [2024-11-22 02:50:52,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,650 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1029 transitions. [2024-11-22 02:50:52,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-22 02:50:52,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:52,651 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:50:52,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-22 02:50:52,651 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:52,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:52,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1963614716, now seen corresponding path program 1 times [2024-11-22 02:50:52,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:52,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356826829] [2024-11-22 02:50:52,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:52,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:52,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:52,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:52,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356826829] [2024-11-22 02:50:52,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356826829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:52,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:52,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:50:52,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642742951] [2024-11-22 02:50:52,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:52,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:50:52,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:52,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:50:52,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:50:52,740 INFO L87 Difference]: Start difference. First operand 741 states and 1029 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:52,759 INFO L93 Difference]: Finished difference Result 1862 states and 2600 transitions. [2024-11-22 02:50:52,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:50:52,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-11-22 02:50:52,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:52,763 INFO L225 Difference]: With dead ends: 1862 [2024-11-22 02:50:52,763 INFO L226 Difference]: Without dead ends: 1180 [2024-11-22 02:50:52,764 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 [2024-11-22 02:50:52,765 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 59 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:52,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 266 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:52,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2024-11-22 02:50:52,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 1106. [2024-11-22 02:50:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1106 states, 1105 states have (on average 1.3800904977375565) internal successors, (1525), 1105 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 1106 states and 1525 transitions. [2024-11-22 02:50:52,786 INFO L78 Accepts]: Start accepts. Automaton has 1106 states and 1525 transitions. Word has length 76 [2024-11-22 02:50:52,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:52,787 INFO L471 AbstractCegarLoop]: Abstraction has 1106 states and 1525 transitions. [2024-11-22 02:50:52,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1525 transitions. [2024-11-22 02:50:52,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-22 02:50:52,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:52,788 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:50:52,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-22 02:50:52,789 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:52,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:52,790 INFO L85 PathProgramCache]: Analyzing trace with hash -628172474, now seen corresponding path program 1 times [2024-11-22 02:50:52,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:52,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098044451] [2024-11-22 02:50:52,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:52,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:52,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:52,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:52,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098044451] [2024-11-22 02:50:52,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098044451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:52,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:52,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:50:52,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332629351] [2024-11-22 02:50:52,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:52,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:50:52,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:52,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:50:52,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:50:52,881 INFO L87 Difference]: Start difference. First operand 1106 states and 1525 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:52,905 INFO L93 Difference]: Finished difference Result 3092 states and 4260 transitions. [2024-11-22 02:50:52,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:50:52,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-22 02:50:52,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:52,912 INFO L225 Difference]: With dead ends: 3092 [2024-11-22 02:50:52,913 INFO L226 Difference]: Without dead ends: 2045 [2024-11-22 02:50:52,916 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 [2024-11-22 02:50:52,917 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 52 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:52,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 265 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:52,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2045 states. [2024-11-22 02:50:52,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2045 to 1935. [2024-11-22 02:50:52,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1935 states, 1934 states have (on average 1.3624612202688728) internal successors, (2635), 1934 states have internal predecessors, (2635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1935 states and 2635 transitions. [2024-11-22 02:50:52,950 INFO L78 Accepts]: Start accepts. Automaton has 1935 states and 2635 transitions. Word has length 77 [2024-11-22 02:50:52,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:52,950 INFO L471 AbstractCegarLoop]: Abstraction has 1935 states and 2635 transitions. [2024-11-22 02:50:52,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:52,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 2635 transitions. [2024-11-22 02:50:52,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-22 02:50:52,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:52,951 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:50:52,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-22 02:50:52,952 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:52,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:52,953 INFO L85 PathProgramCache]: Analyzing trace with hash -763788569, now seen corresponding path program 1 times [2024-11-22 02:50:52,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:52,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280030296] [2024-11-22 02:50:52,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:52,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:53,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:53,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:53,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280030296] [2024-11-22 02:50:53,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280030296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:53,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:53,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:50:53,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134177850] [2024-11-22 02:50:53,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:53,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:50:53,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:53,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:50:53,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:50:53,055 INFO L87 Difference]: Start difference. First operand 1935 states and 2635 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:53,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:53,083 INFO L93 Difference]: Finished difference Result 5471 states and 7401 transitions. [2024-11-22 02:50:53,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:50:53,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2024-11-22 02:50:53,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:53,094 INFO L225 Difference]: With dead ends: 5471 [2024-11-22 02:50:53,095 INFO L226 Difference]: Without dead ends: 3595 [2024-11-22 02:50:53,098 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 [2024-11-22 02:50:53,098 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 42 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:53,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 263 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:53,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3595 states. [2024-11-22 02:50:53,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3595 to 3377. [2024-11-22 02:50:53,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3377 states, 3376 states have (on average 1.3341232227488151) internal successors, (4504), 3376 states have internal predecessors, (4504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:53,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3377 states to 3377 states and 4504 transitions. [2024-11-22 02:50:53,155 INFO L78 Accepts]: Start accepts. Automaton has 3377 states and 4504 transitions. Word has length 78 [2024-11-22 02:50:53,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:53,155 INFO L471 AbstractCegarLoop]: Abstraction has 3377 states and 4504 transitions. [2024-11-22 02:50:53,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:53,156 INFO L276 IsEmpty]: Start isEmpty. Operand 3377 states and 4504 transitions. [2024-11-22 02:50:53,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-22 02:50:53,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:53,156 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:50:53,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-22 02:50:53,157 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:53,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:53,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1461539563, now seen corresponding path program 1 times [2024-11-22 02:50:53,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:53,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520226562] [2024-11-22 02:50:53,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:53,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:53,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:53,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:53,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520226562] [2024-11-22 02:50:53,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520226562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:53,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:53,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:50:53,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658099608] [2024-11-22 02:50:53,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:53,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:50:53,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:53,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:50:53,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:50:53,351 INFO L87 Difference]: Start difference. First operand 3377 states and 4504 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:53,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:53,388 INFO L93 Difference]: Finished difference Result 3475 states and 4633 transitions. [2024-11-22 02:50:53,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:50:53,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-22 02:50:53,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:53,399 INFO L225 Difference]: With dead ends: 3475 [2024-11-22 02:50:53,400 INFO L226 Difference]: Without dead ends: 3473 [2024-11-22 02:50:53,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:50:53,404 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:53,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 593 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:53,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3473 states. [2024-11-22 02:50:53,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3473 to 3473. [2024-11-22 02:50:53,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3473 states, 3472 states have (on average 1.3133640552995391) internal successors, (4560), 3472 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:53,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3473 states to 3473 states and 4560 transitions. [2024-11-22 02:50:53,487 INFO L78 Accepts]: Start accepts. Automaton has 3473 states and 4560 transitions. Word has length 79 [2024-11-22 02:50:53,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:53,488 INFO L471 AbstractCegarLoop]: Abstraction has 3473 states and 4560 transitions. [2024-11-22 02:50:53,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:53,488 INFO L276 IsEmpty]: Start isEmpty. Operand 3473 states and 4560 transitions. [2024-11-22 02:50:53,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-22 02:50:53,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:53,489 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:50:53,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-22 02:50:53,489 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:53,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:53,490 INFO L85 PathProgramCache]: Analyzing trace with hash 965347417, now seen corresponding path program 1 times [2024-11-22 02:50:53,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:53,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761602571] [2024-11-22 02:50:53,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:53,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:53,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:53,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:53,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761602571] [2024-11-22 02:50:53,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761602571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:53,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:53,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:50:53,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130697900] [2024-11-22 02:50:53,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:53,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:50:53,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:53,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:50:53,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:50:53,547 INFO L87 Difference]: Start difference. First operand 3473 states and 4560 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:53,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:53,584 INFO L93 Difference]: Finished difference Result 7021 states and 9234 transitions. [2024-11-22 02:50:53,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:50:53,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2024-11-22 02:50:53,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:53,597 INFO L225 Difference]: With dead ends: 7021 [2024-11-22 02:50:53,597 INFO L226 Difference]: Without dead ends: 3607 [2024-11-22 02:50:53,602 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 [2024-11-22 02:50:53,603 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 66 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:53,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 216 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:53,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3607 states. [2024-11-22 02:50:53,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3607 to 3605. [2024-11-22 02:50:53,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3605 states, 3604 states have (on average 1.293007769145394) internal successors, (4660), 3604 states have internal predecessors, (4660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:53,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3605 states to 3605 states and 4660 transitions. [2024-11-22 02:50:53,691 INFO L78 Accepts]: Start accepts. Automaton has 3605 states and 4660 transitions. Word has length 79 [2024-11-22 02:50:53,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:53,692 INFO L471 AbstractCegarLoop]: Abstraction has 3605 states and 4660 transitions. [2024-11-22 02:50:53,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:53,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3605 states and 4660 transitions. [2024-11-22 02:50:53,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-22 02:50:53,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:53,693 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:50:53,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-22 02:50:53,694 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:53,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:53,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1381911094, now seen corresponding path program 1 times [2024-11-22 02:50:53,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:53,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817007371] [2024-11-22 02:50:53,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:53,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:54,135 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:54,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:54,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817007371] [2024-11-22 02:50:54,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817007371] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:50:54,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939618748] [2024-11-22 02:50:54,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:54,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:50:54,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:50:54,139 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:50:54,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 02:50:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:54,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-22 02:50:54,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:50:55,227 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:55,228 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 02:50:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:56,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939618748] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 02:50:56,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 02:50:56,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 29 [2024-11-22 02:50:56,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905191598] [2024-11-22 02:50:56,566 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 02:50:56,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-22 02:50:56,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:56,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-22 02:50:56,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=752, Unknown=0, NotChecked=0, Total=870 [2024-11-22 02:50:56,567 INFO L87 Difference]: Start difference. First operand 3605 states and 4660 transitions. Second operand has 30 states, 30 states have (on average 9.033333333333333) internal successors, (271), 29 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:51:00,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:51:00,814 INFO L93 Difference]: Finished difference Result 33517 states and 43327 transitions. [2024-11-22 02:51:00,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-11-22 02:51:00,815 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 9.033333333333333) internal successors, (271), 29 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-22 02:51:00,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:51:00,884 INFO L225 Difference]: With dead ends: 33517 [2024-11-22 02:51:00,884 INFO L226 Difference]: Without dead ends: 29971 [2024-11-22 02:51:00,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7135 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=3290, Invalid=18466, Unknown=0, NotChecked=0, Total=21756 [2024-11-22 02:51:00,903 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 2587 mSDsluCounter, 1971 mSDsCounter, 0 mSdLazyCounter, 2167 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2587 SdHoareTripleChecker+Valid, 2118 SdHoareTripleChecker+Invalid, 2196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:51:00,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2587 Valid, 2118 Invalid, 2196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2167 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-22 02:51:00,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29971 states. [2024-11-22 02:51:01,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29971 to 18926. [2024-11-22 02:51:01,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18926 states, 18925 states have (on average 1.2861294583883751) internal successors, (24340), 18925 states have internal predecessors, (24340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:51:01,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18926 states to 18926 states and 24340 transitions. [2024-11-22 02:51:01,292 INFO L78 Accepts]: Start accepts. Automaton has 18926 states and 24340 transitions. Word has length 101 [2024-11-22 02:51:01,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:51:01,293 INFO L471 AbstractCegarLoop]: Abstraction has 18926 states and 24340 transitions. [2024-11-22 02:51:01,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.033333333333333) internal successors, (271), 29 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:51:01,294 INFO L276 IsEmpty]: Start isEmpty. Operand 18926 states and 24340 transitions. [2024-11-22 02:51:01,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 02:51:01,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:51:01,298 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:51:01,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 02:51:01,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:51:01,499 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:51:01,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:51:01,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1412305418, now seen corresponding path program 1 times [2024-11-22 02:51:01,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:51:01,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169391706] [2024-11-22 02:51:01,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:01,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:51:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:01,891 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:01,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:51:01,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169391706] [2024-11-22 02:51:01,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169391706] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:51:01,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324276195] [2024-11-22 02:51:01,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:01,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:51:01,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:51:01,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:51:01,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 02:51:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:02,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 02:51:02,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:51:02,676 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:02,676 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 02:51:03,289 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:03,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324276195] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 02:51:03,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 02:51:03,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 24 [2024-11-22 02:51:03,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240487924] [2024-11-22 02:51:03,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 02:51:03,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-22 02:51:03,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:51:03,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-22 02:51:03,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2024-11-22 02:51:03,292 INFO L87 Difference]: Start difference. First operand 18926 states and 24340 transitions. Second operand has 24 states, 24 states have (on average 11.375) internal successors, (273), 24 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:51:07,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:51:07,032 INFO L93 Difference]: Finished difference Result 59321 states and 76461 transitions. [2024-11-22 02:51:07,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-11-22 02:51:07,032 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 11.375) internal successors, (273), 24 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-11-22 02:51:07,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:51:07,117 INFO L225 Difference]: With dead ends: 59321 [2024-11-22 02:51:07,117 INFO L226 Difference]: Without dead ends: 55775 [2024-11-22 02:51:07,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5636 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=2506, Invalid=14006, Unknown=0, NotChecked=0, Total=16512 [2024-11-22 02:51:07,146 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 2468 mSDsluCounter, 1553 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2468 SdHoareTripleChecker+Valid, 1677 SdHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-22 02:51:07,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2468 Valid, 1677 Invalid, 1744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1696 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-22 02:51:07,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55775 states. [2024-11-22 02:51:07,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55775 to 18907. [2024-11-22 02:51:07,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18907 states, 18906 states have (on average 1.2862583306886703) internal successors, (24318), 18906 states have internal predecessors, (24318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:51:07,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18907 states to 18907 states and 24318 transitions. [2024-11-22 02:51:07,672 INFO L78 Accepts]: Start accepts. Automaton has 18907 states and 24318 transitions. Word has length 102 [2024-11-22 02:51:07,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:51:07,672 INFO L471 AbstractCegarLoop]: Abstraction has 18907 states and 24318 transitions. [2024-11-22 02:51:07,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 11.375) internal successors, (273), 24 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:51:07,672 INFO L276 IsEmpty]: Start isEmpty. Operand 18907 states and 24318 transitions. [2024-11-22 02:51:07,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 02:51:07,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:51:07,675 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:51:07,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 02:51:07,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-22 02:51:07,877 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:51:07,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:51:07,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1454501220, now seen corresponding path program 1 times [2024-11-22 02:51:07,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:51:07,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757727181] [2024-11-22 02:51:07,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:07,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:51:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:08,385 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:08,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:51:08,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757727181] [2024-11-22 02:51:08,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757727181] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:51:08,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535981620] [2024-11-22 02:51:08,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:08,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:51:08,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:51:08,389 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:51:08,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 02:51:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:08,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 02:51:08,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:51:09,053 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:09,053 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 02:51:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:09,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535981620] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 02:51:09,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 02:51:09,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 10] total 29 [2024-11-22 02:51:09,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769352006] [2024-11-22 02:51:09,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 02:51:09,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-22 02:51:09,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:51:09,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-22 02:51:09,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=729, Unknown=0, NotChecked=0, Total=812 [2024-11-22 02:51:09,555 INFO L87 Difference]: Start difference. First operand 18907 states and 24318 transitions. Second operand has 29 states, 29 states have (on average 9.689655172413794) internal successors, (281), 29 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:51:19,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:51:19,296 INFO L93 Difference]: Finished difference Result 125342 states and 159793 transitions. [2024-11-22 02:51:19,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-11-22 02:51:19,296 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 9.689655172413794) internal successors, (281), 29 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-11-22 02:51:19,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:51:19,452 INFO L225 Difference]: With dead ends: 125342 [2024-11-22 02:51:19,452 INFO L226 Difference]: Without dead ends: 106501 [2024-11-22 02:51:19,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19334 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=7288, Invalid=42218, Unknown=0, NotChecked=0, Total=49506 [2024-11-22 02:51:19,491 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 4002 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 2673 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4002 SdHoareTripleChecker+Valid, 1740 SdHoareTripleChecker+Invalid, 2780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 2673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:51:19,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4002 Valid, 1740 Invalid, 2780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 2673 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-22 02:51:19,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106501 states. [2024-11-22 02:51:20,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106501 to 71252. [2024-11-22 02:51:20,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71252 states, 71251 states have (on average 1.278045220417959) internal successors, (91062), 71251 states have internal predecessors, (91062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:51:20,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71252 states to 71252 states and 91062 transitions. [2024-11-22 02:51:20,553 INFO L78 Accepts]: Start accepts. Automaton has 71252 states and 91062 transitions. Word has length 102 [2024-11-22 02:51:20,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:51:20,554 INFO L471 AbstractCegarLoop]: Abstraction has 71252 states and 91062 transitions. [2024-11-22 02:51:20,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.689655172413794) internal successors, (281), 29 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:51:20,554 INFO L276 IsEmpty]: Start isEmpty. Operand 71252 states and 91062 transitions. [2024-11-22 02:51:20,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 02:51:20,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:51:20,562 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:51:20,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-22 02:51:20,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:51:20,763 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:51:20,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:51:20,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1056316079, now seen corresponding path program 1 times [2024-11-22 02:51:20,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:51:20,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126921166] [2024-11-22 02:51:20,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:20,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:51:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:20,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-22 02:51:20,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:51:20,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126921166] [2024-11-22 02:51:20,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126921166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:51:20,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:51:20,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:51:20,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734227281] [2024-11-22 02:51:20,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:51:20,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:51:20,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:51:20,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:51:20,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:51:20,816 INFO L87 Difference]: Start difference. First operand 71252 states and 91062 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:51:21,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:51:21,086 INFO L93 Difference]: Finished difference Result 128365 states and 164586 transitions. [2024-11-22 02:51:21,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:51:21,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2024-11-22 02:51:21,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:51:21,171 INFO L225 Difference]: With dead ends: 128365 [2024-11-22 02:51:21,171 INFO L226 Difference]: Without dead ends: 57231 [2024-11-22 02:51:21,234 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 [2024-11-22 02:51:21,234 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 82 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:51:21,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 103 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:51:21,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57231 states. [2024-11-22 02:51:22,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57231 to 57231. [2024-11-22 02:51:22,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57231 states, 57230 states have (on average 1.2705573999650532) internal successors, (72714), 57230 states have internal predecessors, (72714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:51:22,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57231 states to 57231 states and 72714 transitions. [2024-11-22 02:51:22,535 INFO L78 Accepts]: Start accepts. Automaton has 57231 states and 72714 transitions. Word has length 103 [2024-11-22 02:51:22,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:51:22,535 INFO L471 AbstractCegarLoop]: Abstraction has 57231 states and 72714 transitions. [2024-11-22 02:51:22,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:51:22,536 INFO L276 IsEmpty]: Start isEmpty. Operand 57231 states and 72714 transitions. [2024-11-22 02:51:22,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 02:51:22,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:51:22,544 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:51:22,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-22 02:51:22,544 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:51:22,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:51:22,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1351748178, now seen corresponding path program 1 times [2024-11-22 02:51:22,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:51:22,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364317357] [2024-11-22 02:51:22,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:22,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:51:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:22,979 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-22 02:51:22,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:51:22,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364317357] [2024-11-22 02:51:22,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364317357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:51:22,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:51:22,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:51:22,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386358320] [2024-11-22 02:51:22,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:51:22,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:51:22,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:51:22,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:51:22,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:51:22,984 INFO L87 Difference]: Start difference. First operand 57231 states and 72714 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:51:23,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:51:23,560 INFO L93 Difference]: Finished difference Result 138552 states and 175870 transitions. [2024-11-22 02:51:23,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 02:51:23,561 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2024-11-22 02:51:23,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:51:23,641 INFO L225 Difference]: With dead ends: 138552 [2024-11-22 02:51:23,642 INFO L226 Difference]: Without dead ends: 81415 [2024-11-22 02:51:23,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-22 02:51:23,688 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 369 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:51:23,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 451 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:51:23,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81415 states. [2024-11-22 02:51:24,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81415 to 57231. [2024-11-22 02:51:24,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57231 states, 57230 states have (on average 1.2704875065525074) internal successors, (72710), 57230 states have internal predecessors, (72710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:51:24,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57231 states to 57231 states and 72710 transitions. [2024-11-22 02:51:24,766 INFO L78 Accepts]: Start accepts. Automaton has 57231 states and 72710 transitions. Word has length 103 [2024-11-22 02:51:24,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:51:24,766 INFO L471 AbstractCegarLoop]: Abstraction has 57231 states and 72710 transitions. [2024-11-22 02:51:24,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:51:24,766 INFO L276 IsEmpty]: Start isEmpty. Operand 57231 states and 72710 transitions. [2024-11-22 02:51:24,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-22 02:51:24,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:51:24,773 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:51:24,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-22 02:51:24,773 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:51:24,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:51:24,774 INFO L85 PathProgramCache]: Analyzing trace with hash 2021168627, now seen corresponding path program 1 times [2024-11-22 02:51:24,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:51:24,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86896910] [2024-11-22 02:51:24,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:24,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:51:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:25,634 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:25,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:51:25,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86896910] [2024-11-22 02:51:25,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86896910] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:51:25,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794078450] [2024-11-22 02:51:25,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:25,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:51:25,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:51:25,640 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:51:25,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 02:51:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:25,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-22 02:51:25,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:51:27,545 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:27,546 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 02:51:30,310 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:30,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794078450] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 02:51:30,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 02:51:30,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15, 16] total 46 [2024-11-22 02:51:30,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667348638] [2024-11-22 02:51:30,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 02:51:30,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-22 02:51:30,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:51:30,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-22 02:51:30,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1938, Unknown=0, NotChecked=0, Total=2070 [2024-11-22 02:51:30,313 INFO L87 Difference]: Start difference. First operand 57231 states and 72710 transitions. Second operand has 46 states, 46 states have (on average 6.130434782608695) internal successors, (282), 46 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)