./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.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.UNBOUNDED.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a6a02224ad3116421a031fb474928d71f99a366daf138bf7c752aaea303a81f9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:50:40,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:50:40,919 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:50:40,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:50:40,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:50:40,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:50:40,941 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:50:40,941 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:50:40,942 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:50:40,942 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:50:40,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:50:40,942 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:50:40,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:50:40,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:50:40,943 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:50:40,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:50:40,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:50:40,944 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:50:40,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:50:40,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:50:40,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:50:40,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:50:40,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:50:40,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:50:40,947 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:50:40,947 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:50:40,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:50:40,947 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:50:40,947 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:50:40,948 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:50:40,948 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:50:40,948 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:50:40,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:50:40,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:50:40,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:50:40,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:50:40,948 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:50:40,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:50:40,949 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:50:40,949 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:50:40,949 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:50:40,951 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:50:40,951 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6a02224ad3116421a031fb474928d71f99a366daf138bf7c752aaea303a81f9 [2024-11-22 02:50:41,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:50:41,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:50:41,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:50:41,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:50:41,242 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:50:41,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-22 02:50:42,484 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:50:42,698 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:50:42,698 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-22 02:50:42,712 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f18abe71/33756e233a54444ba7d19b5e43f56d28/FLAGfa3469e8f [2024-11-22 02:50:42,722 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f18abe71/33756e233a54444ba7d19b5e43f56d28 [2024-11-22 02:50:42,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:50:42,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:50:42,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:50:42,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:50:42,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:50:42,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:50:42" (1/1) ... [2024-11-22 02:50:42,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ac3035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:42, skipping insertion in model container [2024-11-22 02:50:42,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:50:42" (1/1) ... [2024-11-22 02:50:42,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:50:42,985 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.UNBOUNDED.pals.c.v+lhb-reducer.c[7117,7130] [2024-11-22 02:50:43,008 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.UNBOUNDED.pals.c.v+lhb-reducer.c[9784,9797] [2024-11-22 02:50:43,013 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.UNBOUNDED.pals.c.v+lhb-reducer.c[10875,10888] [2024-11-22 02:50:43,016 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.UNBOUNDED.pals.c.v+lhb-reducer.c[11481,11494] [2024-11-22 02:50:43,024 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.UNBOUNDED.pals.c.v+lhb-reducer.c[12900,12913] [2024-11-22 02:50:43,030 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.UNBOUNDED.pals.c.v+lhb-reducer.c[13506,13519] [2024-11-22 02:50:43,034 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.UNBOUNDED.pals.c.v+lhb-reducer.c[14435,14448] [2024-11-22 02:50:43,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:50:43,090 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:50:43,134 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.UNBOUNDED.pals.c.v+lhb-reducer.c[7117,7130] [2024-11-22 02:50:43,147 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.UNBOUNDED.pals.c.v+lhb-reducer.c[9784,9797] [2024-11-22 02:50:43,151 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.UNBOUNDED.pals.c.v+lhb-reducer.c[10875,10888] [2024-11-22 02:50:43,153 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.UNBOUNDED.pals.c.v+lhb-reducer.c[11481,11494] [2024-11-22 02:50:43,159 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.UNBOUNDED.pals.c.v+lhb-reducer.c[12900,12913] [2024-11-22 02:50:43,164 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.UNBOUNDED.pals.c.v+lhb-reducer.c[13506,13519] [2024-11-22 02:50:43,168 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.UNBOUNDED.pals.c.v+lhb-reducer.c[14435,14448] [2024-11-22 02:50:43,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:50:43,219 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:50:43,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:43 WrapperNode [2024-11-22 02:50:43,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:50:43,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:50:43,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:50:43,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:50:43,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:43" (1/1) ... [2024-11-22 02:50:43,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:43" (1/1) ... [2024-11-22 02:50:43,302 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1047 [2024-11-22 02:50:43,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:50:43,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:50:43,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:50:43,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:50:43,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:43" (1/1) ... [2024-11-22 02:50:43,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:43" (1/1) ... [2024-11-22 02:50:43,325 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:43" (1/1) ... [2024-11-22 02:50:43,352 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 02:50:43,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:43" (1/1) ... [2024-11-22 02:50:43,360 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:43" (1/1) ... [2024-11-22 02:50:43,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:43" (1/1) ... [2024-11-22 02:50:43,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:43" (1/1) ... [2024-11-22 02:50:43,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:43" (1/1) ... [2024-11-22 02:50:43,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:43" (1/1) ... [2024-11-22 02:50:43,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:50:43,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:50:43,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:50:43,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:50:43,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:43" (1/1) ... [2024-11-22 02:50:43,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:50:43,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:50:43,432 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 02:50:43,435 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 02:50:43,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:50:43,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:50:43,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:50:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:50:43,624 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:50:43,626 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:50:44,330 INFO L? ?]: Removed 161 outVars from TransFormulas that were not future-live. [2024-11-22 02:50:44,331 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:50:44,371 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:50:44,372 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 02:50:44,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:50:44 BoogieIcfgContainer [2024-11-22 02:50:44,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:50:44,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:50:44,375 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:50:44,382 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:50:44,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:50:42" (1/3) ... [2024-11-22 02:50:44,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a052c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:50:44, skipping insertion in model container [2024-11-22 02:50:44,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:43" (2/3) ... [2024-11-22 02:50:44,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a052c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:50:44, skipping insertion in model container [2024-11-22 02:50:44,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:50:44" (3/3) ... [2024-11-22 02:50:44,390 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2024-11-22 02:50:44,424 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:50:44,427 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-11-22 02:50:44,515 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:50:44,522 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;@2d5aa183, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:50:44,522 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-22 02:50:44,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 198 states have (on average 1.8232323232323233) internal successors, (361), 205 states have internal predecessors, (361), 0 states have call successors, (0), 0 states 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 02:50:44,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 02:50:44,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:44,538 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] [2024-11-22 02:50:44,538 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 02:50:44,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:44,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1899747950, now seen corresponding path program 1 times [2024-11-22 02:50:44,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:44,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010454893] [2024-11-22 02:50:44,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:44,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:45,009 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 02:50:45,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:45,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010454893] [2024-11-22 02:50:45,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010454893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:45,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:45,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:50:45,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471874564] [2024-11-22 02:50:45,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:45,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:50:45,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:45,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:50:45,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:50:45,049 INFO L87 Difference]: Start difference. First operand has 206 states, 198 states have (on average 1.8232323232323233) internal successors, (361), 205 states have internal predecessors, (361), 0 states have call successors, (0), 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 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states 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 02:50:45,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:45,226 INFO L93 Difference]: Finished difference Result 338 states and 568 transitions. [2024-11-22 02:50:45,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:50:45,232 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2024-11-22 02:50:45,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:45,240 INFO L225 Difference]: With dead ends: 338 [2024-11-22 02:50:45,240 INFO L226 Difference]: Without dead ends: 174 [2024-11-22 02:50:45,243 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 02:50:45,245 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 846 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:45,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 223 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:50:45,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-22 02:50:45,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-11-22 02:50:45,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 167 states have (on average 1.2934131736526946) internal successors, (216), 173 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 02:50:45,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 216 transitions. [2024-11-22 02:50:45,283 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 216 transitions. Word has length 46 [2024-11-22 02:50:45,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:45,283 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 216 transitions. [2024-11-22 02:50:45,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states 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 02:50:45,284 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 216 transitions. [2024-11-22 02:50:45,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-22 02:50:45,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:45,285 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 02:50:45,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 02:50:45,285 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 02:50:45,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:45,286 INFO L85 PathProgramCache]: Analyzing trace with hash -121525429, now seen corresponding path program 1 times [2024-11-22 02:50:45,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:45,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411984287] [2024-11-22 02:50:45,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:45,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:45,447 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 02:50:45,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:45,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411984287] [2024-11-22 02:50:45,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411984287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:45,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:45,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:50:45,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139935449] [2024-11-22 02:50:45,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:45,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:50:45,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:45,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:50:45,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:50:45,452 INFO L87 Difference]: Start difference. First operand 174 states and 216 transitions. 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 02:50:45,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:45,588 INFO L93 Difference]: Finished difference Result 297 states and 378 transitions. [2024-11-22 02:50:45,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:50:45,588 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 02:50:45,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:45,590 INFO L225 Difference]: With dead ends: 297 [2024-11-22 02:50:45,592 INFO L226 Difference]: Without dead ends: 161 [2024-11-22 02:50:45,592 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 02:50:45,593 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 558 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:45,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 132 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:50:45,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-22 02:50:45,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2024-11-22 02:50:45,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 154 states have (on average 1.2987012987012987) internal successors, (200), 160 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 02:50:45,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 200 transitions. [2024-11-22 02:50:45,608 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 200 transitions. Word has length 47 [2024-11-22 02:50:45,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:45,608 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 200 transitions. [2024-11-22 02:50:45,609 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 02:50:45,609 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 200 transitions. [2024-11-22 02:50:45,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-22 02:50:45,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:45,610 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 02:50:45,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 02:50:45,610 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 02:50:45,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:45,610 INFO L85 PathProgramCache]: Analyzing trace with hash 414043727, now seen corresponding path program 1 times [2024-11-22 02:50:45,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:45,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669101610] [2024-11-22 02:50:45,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:45,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:45,737 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 02:50:45,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:45,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669101610] [2024-11-22 02:50:45,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669101610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:45,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:45,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:50:45,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028629372] [2024-11-22 02:50:45,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:45,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:50:45,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:45,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:50:45,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:50:45,740 INFO L87 Difference]: Start difference. First operand 161 states and 200 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 02:50:45,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:45,844 INFO L93 Difference]: Finished difference Result 284 states and 361 transitions. [2024-11-22 02:50:45,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:50:45,844 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 02:50:45,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:45,845 INFO L225 Difference]: With dead ends: 284 [2024-11-22 02:50:45,846 INFO L226 Difference]: Without dead ends: 156 [2024-11-22 02:50:45,847 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 02:50:45,849 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 524 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:45,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 129 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:50:45,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-22 02:50:45,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-22 02:50:45,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 149 states have (on average 1.2953020134228188) internal successors, (193), 155 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 02:50:45,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 193 transitions. [2024-11-22 02:50:45,862 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 193 transitions. Word has length 48 [2024-11-22 02:50:45,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:45,863 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 193 transitions. [2024-11-22 02:50:45,863 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 02:50:45,864 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 193 transitions. [2024-11-22 02:50:45,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-22 02:50:45,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:45,866 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 02:50:45,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 02:50:45,866 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 02:50:45,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:45,867 INFO L85 PathProgramCache]: Analyzing trace with hash -453133940, now seen corresponding path program 1 times [2024-11-22 02:50:45,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:45,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429178678] [2024-11-22 02:50:45,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:45,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:46,149 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 02:50:46,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:46,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429178678] [2024-11-22 02:50:46,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429178678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:46,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:46,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:50:46,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551951931] [2024-11-22 02:50:46,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:46,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:50:46,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:46,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:50:46,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:50:46,155 INFO L87 Difference]: Start difference. First operand 156 states and 193 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 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 02:50:46,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:46,492 INFO L93 Difference]: Finished difference Result 243 states and 304 transitions. [2024-11-22 02:50:46,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 02:50:46,492 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 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 02:50:46,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:46,494 INFO L225 Difference]: With dead ends: 243 [2024-11-22 02:50:46,494 INFO L226 Difference]: Without dead ends: 238 [2024-11-22 02:50:46,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-22 02:50:46,497 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 1092 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1092 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:46,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1092 Valid, 483 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:50:46,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-22 02:50:46,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 156. [2024-11-22 02:50:46,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 149 states have (on average 1.2885906040268456) internal successors, (192), 155 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 02:50:46,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 192 transitions. [2024-11-22 02:50:46,511 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 192 transitions. Word has length 49 [2024-11-22 02:50:46,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:46,511 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 192 transitions. [2024-11-22 02:50:46,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 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 02:50:46,511 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 192 transitions. [2024-11-22 02:50:46,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-22 02:50:46,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:46,512 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 02:50:46,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 02:50:46,513 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 02:50:46,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:46,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1459063162, now seen corresponding path program 1 times [2024-11-22 02:50:46,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:46,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930355879] [2024-11-22 02:50:46,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:46,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:46,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:46,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930355879] [2024-11-22 02:50:46,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930355879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:46,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:46,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:50:46,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474591161] [2024-11-22 02:50:46,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:46,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:50:46,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:46,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:50:46,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:50:46,747 INFO L87 Difference]: Start difference. First operand 156 states and 192 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 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 02:50:47,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:47,108 INFO L93 Difference]: Finished difference Result 302 states and 388 transitions. [2024-11-22 02:50:47,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 02:50:47,109 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 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 02:50:47,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:47,110 INFO L225 Difference]: With dead ends: 302 [2024-11-22 02:50:47,111 INFO L226 Difference]: Without dead ends: 242 [2024-11-22 02:50:47,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-22 02:50:47,112 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 882 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:47,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 631 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:50:47,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-22 02:50:47,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 156. [2024-11-22 02:50:47,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 149 states have (on average 1.2818791946308725) internal successors, (191), 155 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 02:50:47,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 191 transitions. [2024-11-22 02:50:47,122 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 191 transitions. Word has length 49 [2024-11-22 02:50:47,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:47,123 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 191 transitions. [2024-11-22 02:50:47,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 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 02:50:47,123 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 191 transitions. [2024-11-22 02:50:47,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-22 02:50:47,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:47,124 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 02:50:47,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 02:50:47,125 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 02:50:47,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:47,125 INFO L85 PathProgramCache]: Analyzing trace with hash 8857914, now seen corresponding path program 1 times [2024-11-22 02:50:47,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:47,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666121417] [2024-11-22 02:50:47,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:47,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:47,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:47,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:47,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666121417] [2024-11-22 02:50:47,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666121417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:47,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:47,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 02:50:47,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410092068] [2024-11-22 02:50:47,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:47,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 02:50:47,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:47,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 02:50:47,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 02:50:47,349 INFO L87 Difference]: Start difference. First operand 156 states and 191 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 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 02:50:47,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:47,600 INFO L93 Difference]: Finished difference Result 311 states and 391 transitions. [2024-11-22 02:50:47,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 02:50:47,600 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 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 02:50:47,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:47,601 INFO L225 Difference]: With dead ends: 311 [2024-11-22 02:50:47,601 INFO L226 Difference]: Without dead ends: 228 [2024-11-22 02:50:47,602 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 02:50:47,602 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 968 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 968 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:47,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [968 Valid, 393 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:50:47,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-22 02:50:47,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 156. [2024-11-22 02:50:47,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 149 states have (on average 1.2751677852348993) internal successors, (190), 155 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 02:50:47,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 190 transitions. [2024-11-22 02:50:47,607 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 190 transitions. Word has length 49 [2024-11-22 02:50:47,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:47,607 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 190 transitions. [2024-11-22 02:50:47,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 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 02:50:47,608 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2024-11-22 02:50:47,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 02:50:47,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:47,609 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] [2024-11-22 02:50:47,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 02:50:47,609 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:47,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:47,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1308237609, now seen corresponding path program 1 times [2024-11-22 02:50:47,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:47,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113812915] [2024-11-22 02:50:47,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:47,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:48,468 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 02:50:48,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:48,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113812915] [2024-11-22 02:50:48,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113812915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:48,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:48,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-22 02:50:48,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839008724] [2024-11-22 02:50:48,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:48,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-22 02:50:48,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:48,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-22 02:50:48,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2024-11-22 02:50:48,470 INFO L87 Difference]: Start difference. First operand 156 states and 190 transitions. Second operand has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 19 states have internal predecessors, (51), 0 states have call successors, (0), 0 states 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 02:50:49,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:49,687 INFO L93 Difference]: Finished difference Result 392 states and 496 transitions. [2024-11-22 02:50:49,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 02:50:49,688 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 19 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2024-11-22 02:50:49,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:49,690 INFO L225 Difference]: With dead ends: 392 [2024-11-22 02:50:49,690 INFO L226 Difference]: Without dead ends: 388 [2024-11-22 02:50:49,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=237, Invalid=1023, Unknown=0, NotChecked=0, Total=1260 [2024-11-22 02:50:49,692 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 1623 mSDsluCounter, 1871 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 2096 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:49,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1623 Valid, 2096 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 02:50:49,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-22 02:50:49,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 166. [2024-11-22 02:50:49,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 159 states have (on average 1.2893081761006289) internal successors, (205), 165 states have internal predecessors, (205), 0 states have call successors, (0), 0 states 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 02:50:49,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 205 transitions. [2024-11-22 02:50:49,698 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 205 transitions. Word has length 51 [2024-11-22 02:50:49,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:49,698 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 205 transitions. [2024-11-22 02:50:49,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 19 states have internal predecessors, (51), 0 states have call successors, (0), 0 states 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 02:50:49,699 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 205 transitions. [2024-11-22 02:50:49,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 02:50:49,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:49,700 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] [2024-11-22 02:50:49,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 02:50:49,700 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:49,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:49,701 INFO L85 PathProgramCache]: Analyzing trace with hash 766441193, now seen corresponding path program 1 times [2024-11-22 02:50:49,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:49,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424970554] [2024-11-22 02:50:49,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:49,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:50,160 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 02:50:50,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:50,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424970554] [2024-11-22 02:50:50,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424970554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:50,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:50,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 02:50:50,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203797181] [2024-11-22 02:50:50,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:50,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 02:50:50,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:50,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 02:50:50,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-22 02:50:50,162 INFO L87 Difference]: Start difference. First operand 166 states and 205 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 0 states have call successors, (0), 0 states 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 02:50:50,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:50,711 INFO L93 Difference]: Finished difference Result 285 states and 370 transitions. [2024-11-22 02:50:50,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 02:50:50,711 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2024-11-22 02:50:50,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:50,713 INFO L225 Difference]: With dead ends: 285 [2024-11-22 02:50:50,713 INFO L226 Difference]: Without dead ends: 238 [2024-11-22 02:50:50,713 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 02:50:50,714 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 1029 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:50,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1029 Valid, 818 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:50:50,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-22 02:50:50,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 162. [2024-11-22 02:50:50,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 156 states have (on average 1.2820512820512822) 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 02:50:50,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 200 transitions. [2024-11-22 02:50:50,719 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 200 transitions. Word has length 51 [2024-11-22 02:50:50,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:50,719 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 200 transitions. [2024-11-22 02:50:50,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 0 states have call successors, (0), 0 states 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 02:50:50,720 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 200 transitions. [2024-11-22 02:50:50,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 02:50:50,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:50,720 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] [2024-11-22 02:50:50,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 02:50:50,721 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:50,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:50,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1014075955, now seen corresponding path program 1 times [2024-11-22 02:50:50,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:50,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599141878] [2024-11-22 02:50:50,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:50,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:51,071 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 02:50:51,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:51,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599141878] [2024-11-22 02:50:51,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599141878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:51,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:51,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-22 02:50:51,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233611699] [2024-11-22 02:50:51,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:51,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 02:50:51,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:51,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 02:50:51,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-22 02:50:51,073 INFO L87 Difference]: Start difference. First operand 162 states and 200 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states 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 02:50:51,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:51,476 INFO L93 Difference]: Finished difference Result 391 states and 512 transitions. [2024-11-22 02:50:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 02:50:51,477 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2024-11-22 02:50:51,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:51,478 INFO L225 Difference]: With dead ends: 391 [2024-11-22 02:50:51,478 INFO L226 Difference]: Without dead ends: 319 [2024-11-22 02:50:51,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-22 02:50:51,479 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 758 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:51,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [758 Valid, 941 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:50:51,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-22 02:50:51,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 133. [2024-11-22 02:50:51,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 129 states have (on average 1.2868217054263567) internal successors, (166), 132 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 02:50:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 166 transitions. [2024-11-22 02:50:51,484 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 166 transitions. Word has length 51 [2024-11-22 02:50:51,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:51,484 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 166 transitions. [2024-11-22 02:50:51,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states 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 02:50:51,484 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 166 transitions. [2024-11-22 02:50:51,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 02:50:51,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:51,485 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 02:50:51,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 02:50:51,485 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:51,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:51,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1185149594, now seen corresponding path program 1 times [2024-11-22 02:50:51,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:51,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57550978] [2024-11-22 02:50:51,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:51,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:51,665 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 02:50:51,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:51,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57550978] [2024-11-22 02:50:51,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57550978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:51,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:51,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:50:51,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251158372] [2024-11-22 02:50:51,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:51,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:50:51,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:51,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:50:51,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:50:51,668 INFO L87 Difference]: Start difference. First operand 133 states and 166 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 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 02:50:51,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:51,925 INFO L93 Difference]: Finished difference Result 204 states and 259 transitions. [2024-11-22 02:50:51,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 02:50:51,926 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 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 02:50:51,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:51,927 INFO L225 Difference]: With dead ends: 204 [2024-11-22 02:50:51,927 INFO L226 Difference]: Without dead ends: 197 [2024-11-22 02:50:51,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-22 02:50:51,928 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 666 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:51,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 385 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:50:51,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-22 02:50:51,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 133. [2024-11-22 02:50:51,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 129 states have (on average 1.2713178294573644) internal successors, (164), 132 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 02:50:51,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 164 transitions. [2024-11-22 02:50:51,931 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 164 transitions. Word has length 52 [2024-11-22 02:50:51,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:51,931 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 164 transitions. [2024-11-22 02:50:51,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 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 02:50:51,932 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 164 transitions. [2024-11-22 02:50:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 02:50:51,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:51,932 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 02:50:51,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 02:50:51,933 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:51,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:51,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1721906586, now seen corresponding path program 1 times [2024-11-22 02:50:51,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:51,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723738991] [2024-11-22 02:50:51,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:51,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:52,086 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 02:50:52,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:52,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723738991] [2024-11-22 02:50:52,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723738991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:52,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:52,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:50:52,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020568519] [2024-11-22 02:50:52,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:52,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:50:52,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:52,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:50:52,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:50:52,087 INFO L87 Difference]: Start difference. First operand 133 states and 164 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 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 02:50:52,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:52,363 INFO L93 Difference]: Finished difference Result 266 states and 342 transitions. [2024-11-22 02:50:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 02:50:52,364 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 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 02:50:52,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:52,364 INFO L225 Difference]: With dead ends: 266 [2024-11-22 02:50:52,364 INFO L226 Difference]: Without dead ends: 205 [2024-11-22 02:50:52,365 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 02:50:52,365 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 309 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:52,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 630 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:50:52,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-22 02:50:52,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 133. [2024-11-22 02:50:52,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 129 states have (on average 1.255813953488372) internal successors, (162), 132 states have internal predecessors, (162), 0 states have call successors, (0), 0 states 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 L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 162 transitions. [2024-11-22 02:50:52,369 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 162 transitions. Word has length 52 [2024-11-22 02:50:52,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:52,369 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 162 transitions. [2024-11-22 02:50:52,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 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 02:50:52,370 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 162 transitions. [2024-11-22 02:50:52,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 02:50:52,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:52,370 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 02:50:52,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 02:50:52,371 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:52,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:52,371 INFO L85 PathProgramCache]: Analyzing trace with hash -314743810, now seen corresponding path program 1 times [2024-11-22 02:50:52,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:52,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631450499] [2024-11-22 02:50:52,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:52,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:52,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:52,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:52,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631450499] [2024-11-22 02:50:52,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631450499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:52,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:52,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-22 02:50:52,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491058388] [2024-11-22 02:50:52,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:52,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 02:50:52,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:52,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 02:50:52,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-22 02:50:52,871 INFO L87 Difference]: Start difference. First operand 133 states and 162 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 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 02:50:53,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:53,208 INFO L93 Difference]: Finished difference Result 203 states and 254 transitions. [2024-11-22 02:50:53,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 02:50:53,208 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 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 02:50:53,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:53,209 INFO L225 Difference]: With dead ends: 203 [2024-11-22 02:50:53,209 INFO L226 Difference]: Without dead ends: 187 [2024-11-22 02:50:53,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2024-11-22 02:50:53,210 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 113 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 1401 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:53,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 1401 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:50:53,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-22 02:50:53,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 125. [2024-11-22 02:50:53,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 122 states have (on average 1.2459016393442623) internal successors, (152), 124 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:53,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 152 transitions. [2024-11-22 02:50:53,212 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 152 transitions. Word has length 52 [2024-11-22 02:50:53,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:53,213 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 152 transitions. [2024-11-22 02:50:53,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 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 02:50:53,213 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 152 transitions. [2024-11-22 02:50:53,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-22 02:50:53,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:53,213 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] [2024-11-22 02:50:53,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 02:50:53,214 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 02:50:53,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:53,214 INFO L85 PathProgramCache]: Analyzing trace with hash 653628022, now seen corresponding path program 1 times [2024-11-22 02:50:53,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:53,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352336579] [2024-11-22 02:50:53,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:53,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:53,655 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 02:50:53,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:53,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352336579] [2024-11-22 02:50:53,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352336579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:53,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:53,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-22 02:50:53,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599022062] [2024-11-22 02:50:53,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:53,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 02:50:53,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:53,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 02:50:53,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-11-22 02:50:53,658 INFO L87 Difference]: Start difference. First operand 125 states and 152 transitions. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states 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 02:50:54,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:54,487 INFO L93 Difference]: Finished difference Result 310 states and 403 transitions. [2024-11-22 02:50:54,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 02:50:54,488 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2024-11-22 02:50:54,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:54,489 INFO L225 Difference]: With dead ends: 310 [2024-11-22 02:50:54,489 INFO L226 Difference]: Without dead ends: 302 [2024-11-22 02:50:54,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=606, Unknown=0, NotChecked=0, Total=756 [2024-11-22 02:50:54,490 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 688 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 2317 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:54,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 2317 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1011 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 02:50:54,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-22 02:50:54,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 125. [2024-11-22 02:50:54,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 122 states have (on average 1.2377049180327868) internal successors, (151), 124 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:54,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 151 transitions. [2024-11-22 02:50:54,494 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 151 transitions. Word has length 54 [2024-11-22 02:50:54,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:54,494 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 151 transitions. [2024-11-22 02:50:54,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states 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 02:50:54,494 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 151 transitions. [2024-11-22 02:50:54,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-22 02:50:54,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:54,495 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] [2024-11-22 02:50:54,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 02:50:54,495 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 02:50:54,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:54,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1899159370, now seen corresponding path program 1 times [2024-11-22 02:50:54,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:54,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174607560] [2024-11-22 02:50:54,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:54,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:55,137 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 02:50:55,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:55,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174607560] [2024-11-22 02:50:55,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174607560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:55,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:55,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-22 02:50:55,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377246711] [2024-11-22 02:50:55,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:55,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 02:50:55,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:55,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 02:50:55,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-22 02:50:55,140 INFO L87 Difference]: Start difference. First operand 125 states and 151 transitions. Second operand has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 0 states have call successors, (0), 0 states 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 02:50:56,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:56,063 INFO L93 Difference]: Finished difference Result 311 states and 406 transitions. [2024-11-22 02:50:56,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 02:50:56,063 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2024-11-22 02:50:56,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:56,064 INFO L225 Difference]: With dead ends: 311 [2024-11-22 02:50:56,064 INFO L226 Difference]: Without dead ends: 305 [2024-11-22 02:50:56,065 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 02:50:56,065 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 985 mSDsluCounter, 1955 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 985 SdHoareTripleChecker+Valid, 2192 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:56,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [985 Valid, 2192 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1050 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 02:50:56,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-22 02:50:56,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 131. [2024-11-22 02:50:56,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.2421875) internal successors, (159), 130 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:50:56,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 159 transitions. [2024-11-22 02:50:56,069 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 159 transitions. Word has length 54 [2024-11-22 02:50:56,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:56,070 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 159 transitions. [2024-11-22 02:50:56,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 states have internal predecessors, (54), 0 states have call successors, (0), 0 states 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 02:50:56,070 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 159 transitions. [2024-11-22 02:50:56,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 02:50:56,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:56,070 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 02:50:56,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 02:50:56,071 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:56,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:56,071 INFO L85 PathProgramCache]: Analyzing trace with hash 2098262835, now seen corresponding path program 1 times [2024-11-22 02:50:56,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:56,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724966736] [2024-11-22 02:50:56,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:56,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:56,448 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 02:50:56,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:56,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724966736] [2024-11-22 02:50:56,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724966736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:56,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:56,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-22 02:50:56,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459462191] [2024-11-22 02:50:56,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:56,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 02:50:56,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:56,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 02:50:56,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-22 02:50:56,450 INFO L87 Difference]: Start difference. First operand 131 states and 159 transitions. Second operand has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 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 02:50:56,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:56,747 INFO L93 Difference]: Finished difference Result 187 states and 239 transitions. [2024-11-22 02:50:56,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 02:50:56,748 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 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 02:50:56,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:56,749 INFO L225 Difference]: With dead ends: 187 [2024-11-22 02:50:56,749 INFO L226 Difference]: Without dead ends: 181 [2024-11-22 02:50:56,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2024-11-22 02:50:56,749 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 211 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:56,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 778 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:50:56,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-22 02:50:56,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 119. [2024-11-22 02:50:56,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 117 states have (on average 1.2393162393162394) internal successors, (145), 118 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 02:50:56,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 145 transitions. [2024-11-22 02:50:56,752 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 145 transitions. Word has length 55 [2024-11-22 02:50:56,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:56,753 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 145 transitions. [2024-11-22 02:50:56,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 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 02:50:56,753 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 145 transitions. [2024-11-22 02:50:56,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-22 02:50:56,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:56,753 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 02:50:56,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 02:50:56,754 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 02:50:56,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:56,754 INFO L85 PathProgramCache]: Analyzing trace with hash -220748721, now seen corresponding path program 1 times [2024-11-22 02:50:56,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:56,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923768211] [2024-11-22 02:50:56,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:56,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:57,359 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 02:50:57,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:57,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923768211] [2024-11-22 02:50:57,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923768211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:57,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:57,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-22 02:50:57,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235082105] [2024-11-22 02:50:57,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:57,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-22 02:50:57,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:57,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-22 02:50:57,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-11-22 02:50:57,363 INFO L87 Difference]: Start difference. First operand 119 states and 145 transitions. Second operand has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 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 02:50:58,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:58,184 INFO L93 Difference]: Finished difference Result 231 states and 303 transitions. [2024-11-22 02:50:58,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 02:50:58,185 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 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 02:50:58,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:58,186 INFO L225 Difference]: With dead ends: 231 [2024-11-22 02:50:58,186 INFO L226 Difference]: Without dead ends: 219 [2024-11-22 02:50:58,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=179, Invalid=751, Unknown=0, NotChecked=0, Total=930 [2024-11-22 02:50:58,187 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 704 mSDsluCounter, 1606 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:58,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [704 Valid, 1820 Invalid, 884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 02:50:58,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-22 02:50:58,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 101. [2024-11-22 02:50:58,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.26) internal successors, (126), 100 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 02:50:58,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 126 transitions. [2024-11-22 02:50:58,190 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 126 transitions. Word has length 55 [2024-11-22 02:50:58,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:58,190 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 126 transitions. [2024-11-22 02:50:58,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.235294117647059) internal successors, (55), 17 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 02:50:58,190 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 126 transitions. [2024-11-22 02:50:58,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 02:50:58,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:58,191 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:50:58,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 02:50:58,191 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:58,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:58,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1406506919, now seen corresponding path program 1 times [2024-11-22 02:50:58,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:58,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402105347] [2024-11-22 02:50:58,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:58,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:58,245 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 02:50:58,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:58,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402105347] [2024-11-22 02:50:58,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402105347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:58,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:58,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:50:58,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258399376] [2024-11-22 02:50:58,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:58,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:50:58,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:58,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:50:58,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:50:58,247 INFO L87 Difference]: Start difference. First operand 101 states and 126 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states 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 02:50:58,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:58,299 INFO L93 Difference]: Finished difference Result 359 states and 510 transitions. [2024-11-22 02:50:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 02:50:58,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2024-11-22 02:50:58,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:58,302 INFO L225 Difference]: With dead ends: 359 [2024-11-22 02:50:58,302 INFO L226 Difference]: Without dead ends: 316 [2024-11-22 02:50:58,302 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 02:50:58,302 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 530 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:58,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 459 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:58,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-22 02:50:58,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 142. [2024-11-22 02:50:58,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.326241134751773) internal successors, (187), 141 states have internal predecessors, (187), 0 states have call successors, (0), 0 states 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 02:50:58,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 187 transitions. [2024-11-22 02:50:58,306 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 187 transitions. Word has length 72 [2024-11-22 02:50:58,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:58,306 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 187 transitions. [2024-11-22 02:50:58,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states 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 02:50:58,307 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 187 transitions. [2024-11-22 02:50:58,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-22 02:50:58,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:58,307 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:50:58,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 02:50:58,307 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:58,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:58,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1673936966, now seen corresponding path program 1 times [2024-11-22 02:50:58,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:58,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357763891] [2024-11-22 02:50:58,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:58,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:58,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:58,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:58,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357763891] [2024-11-22 02:50:58,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357763891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:58,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:58,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:50:58,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706065318] [2024-11-22 02:50:58,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:58,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:50:58,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:58,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:50:58,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:50:58,371 INFO L87 Difference]: Start difference. First operand 142 states and 187 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states 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 02:50:58,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:58,416 INFO L93 Difference]: Finished difference Result 437 states and 624 transitions. [2024-11-22 02:50:58,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:50:58,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-22 02:50:58,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:58,418 INFO L225 Difference]: With dead ends: 437 [2024-11-22 02:50:58,418 INFO L226 Difference]: Without dead ends: 353 [2024-11-22 02:50:58,418 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 02:50:58,419 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 292 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 416 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 02:50:58,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 416 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:58,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-22 02:50:58,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 224. [2024-11-22 02:50:58,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 223 states have (on average 1.390134529147982) internal successors, (310), 223 states have internal predecessors, (310), 0 states have call successors, (0), 0 states 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 02:50:58,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 310 transitions. [2024-11-22 02:50:58,426 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 310 transitions. Word has length 74 [2024-11-22 02:50:58,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:58,426 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 310 transitions. [2024-11-22 02:50:58,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states 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 02:50:58,426 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 310 transitions. [2024-11-22 02:50:58,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-22 02:50:58,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:58,427 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] [2024-11-22 02:50:58,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 02:50:58,427 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-11-22 02:50:58,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:58,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1695280855, now seen corresponding path program 1 times [2024-11-22 02:50:58,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:58,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623568192] [2024-11-22 02:50:58,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:58,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:58,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:58,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:58,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623568192] [2024-11-22 02:50:58,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623568192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:58,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:58,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:50:58,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951038158] [2024-11-22 02:50:58,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:58,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:50:58,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:58,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:50:58,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:50:58,469 INFO L87 Difference]: Start difference. First operand 224 states and 310 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states 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 02:50:58,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:58,486 INFO L93 Difference]: Finished difference Result 392 states and 559 transitions. [2024-11-22 02:50:58,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:50:58,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-22 02:50:58,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:58,488 INFO L225 Difference]: With dead ends: 392 [2024-11-22 02:50:58,488 INFO L226 Difference]: Without dead ends: 226 [2024-11-22 02:50:58,488 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 02:50:58,488 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 51 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 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 02:50:58,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 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 02:50:58,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-22 02:50:58,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 224. [2024-11-22 02:50:58,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 223 states have (on average 1.3811659192825112) internal successors, (308), 223 states have internal predecessors, (308), 0 states have call successors, (0), 0 states 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 02:50:58,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 308 transitions. [2024-11-22 02:50:58,493 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 308 transitions. Word has length 74 [2024-11-22 02:50:58,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:58,493 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 308 transitions. [2024-11-22 02:50:58,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states 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 02:50:58,493 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 308 transitions. [2024-11-22 02:50:58,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-22 02:50:58,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:58,494 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] [2024-11-22 02:50:58,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 02:50:58,494 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 02:50:58,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:58,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1859946120, now seen corresponding path program 1 times [2024-11-22 02:50:58,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:58,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112073935] [2024-11-22 02:50:58,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:58,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:58,529 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 02:50:58,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:58,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112073935] [2024-11-22 02:50:58,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112073935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:58,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:58,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:50:58,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405820814] [2024-11-22 02:50:58,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:58,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:50:58,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:58,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:50:58,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:50:58,531 INFO L87 Difference]: Start difference. First operand 224 states and 308 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states 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 02:50:58,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:58,553 INFO L93 Difference]: Finished difference Result 530 states and 756 transitions. [2024-11-22 02:50:58,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:50:58,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-22 02:50:58,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:58,555 INFO L225 Difference]: With dead ends: 530 [2024-11-22 02:50:58,555 INFO L226 Difference]: Without dead ends: 364 [2024-11-22 02:50:58,556 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 02:50:58,556 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 68 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:58,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 195 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:58,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-22 02:50:58,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 358. [2024-11-22 02:50:58,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 357 states have (on average 1.3865546218487395) internal successors, (495), 357 states have internal predecessors, (495), 0 states have call successors, (0), 0 states 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 02:50:58,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 495 transitions. [2024-11-22 02:50:58,563 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 495 transitions. Word has length 74 [2024-11-22 02:50:58,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:58,563 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 495 transitions. [2024-11-22 02:50:58,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states 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 02:50:58,563 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 495 transitions. [2024-11-22 02:50:58,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-22 02:50:58,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:58,564 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] [2024-11-22 02:50:58,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 02:50:58,564 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 02:50:58,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:58,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1889765056, now seen corresponding path program 1 times [2024-11-22 02:50:58,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:58,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914626943] [2024-11-22 02:50:58,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:58,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:58,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:58,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:58,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914626943] [2024-11-22 02:50:58,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914626943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:58,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:58,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:50:58,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272561501] [2024-11-22 02:50:58,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:58,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:50:58,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:58,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:50:58,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:50:58,642 INFO L87 Difference]: Start difference. First operand 358 states and 495 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states 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 02:50:58,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:58,690 INFO L93 Difference]: Finished difference Result 888 states and 1257 transitions. [2024-11-22 02:50:58,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:50:58,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2024-11-22 02:50:58,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:58,693 INFO L225 Difference]: With dead ends: 888 [2024-11-22 02:50:58,693 INFO L226 Difference]: Without dead ends: 737 [2024-11-22 02:50:58,693 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 02:50:58,693 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 285 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:58,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 462 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:58,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2024-11-22 02:50:58,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 582. [2024-11-22 02:50:58,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 581 states have (on average 1.4061962134251291) internal successors, (817), 581 states have internal predecessors, (817), 0 states have call successors, (0), 0 states 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 02:50:58,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 817 transitions. [2024-11-22 02:50:58,705 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 817 transitions. Word has length 74 [2024-11-22 02:50:58,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:58,706 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 817 transitions. [2024-11-22 02:50:58,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states 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 02:50:58,706 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 817 transitions. [2024-11-22 02:50:58,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-22 02:50:58,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:58,708 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 02:50:58,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 02:50:58,708 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 02:50:58,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:58,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1073266559, now seen corresponding path program 1 times [2024-11-22 02:50:58,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:58,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496796665] [2024-11-22 02:50:58,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:58,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:58,768 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 02:50:58,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:58,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496796665] [2024-11-22 02:50:58,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496796665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:58,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:58,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:50:58,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906364555] [2024-11-22 02:50:58,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:58,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:50:58,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:58,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:50:58,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:50:58,769 INFO L87 Difference]: Start difference. First operand 582 states and 817 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 02:50:58,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:58,786 INFO L93 Difference]: Finished difference Result 1574 states and 2229 transitions. [2024-11-22 02:50:58,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:50:58,787 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 02:50:58,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:58,790 INFO L225 Difference]: With dead ends: 1574 [2024-11-22 02:50:58,790 INFO L226 Difference]: Without dead ends: 1050 [2024-11-22 02:50:58,791 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 02:50:58,791 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 54 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 258 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 02:50:58,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 258 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:58,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2024-11-22 02:50:58,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 992. [2024-11-22 02:50:58,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 991 states have (on average 1.401614530776993) internal successors, (1389), 991 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states 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 02:50:58,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1389 transitions. [2024-11-22 02:50:58,805 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1389 transitions. Word has length 75 [2024-11-22 02:50:58,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:58,806 INFO L471 AbstractCegarLoop]: Abstraction has 992 states and 1389 transitions. [2024-11-22 02:50:58,806 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 02:50:58,806 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1389 transitions. [2024-11-22 02:50:58,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-22 02:50:58,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:58,807 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 02:50:58,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-22 02:50:58,808 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 02:50:58,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:58,808 INFO L85 PathProgramCache]: Analyzing trace with hash -391890934, now seen corresponding path program 1 times [2024-11-22 02:50:58,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:58,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716486132] [2024-11-22 02:50:58,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:58,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:58,884 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 02:50:58,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:58,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716486132] [2024-11-22 02:50:58,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716486132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:58,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:58,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:50:58,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350129380] [2024-11-22 02:50:58,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:58,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:50:58,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:58,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:50:58,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:50:58,886 INFO L87 Difference]: Start difference. First operand 992 states and 1389 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 02:50:58,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:58,908 INFO L93 Difference]: Finished difference Result 2748 states and 3847 transitions. [2024-11-22 02:50:58,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:50:58,909 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 02:50:58,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:58,915 INFO L225 Difference]: With dead ends: 2748 [2024-11-22 02:50:58,915 INFO L226 Difference]: Without dead ends: 1814 [2024-11-22 02:50:58,916 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 02:50:58,917 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 44 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 258 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 02:50:58,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 258 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:58,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2024-11-22 02:50:58,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1700. [2024-11-22 02:50:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 1699 states have (on average 1.3837551500882872) internal successors, (2351), 1699 states have internal predecessors, (2351), 0 states have call successors, (0), 0 states 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 02:50:58,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2351 transitions. [2024-11-22 02:50:58,949 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2351 transitions. Word has length 76 [2024-11-22 02:50:58,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:58,950 INFO L471 AbstractCegarLoop]: Abstraction has 1700 states and 2351 transitions. [2024-11-22 02:50:58,950 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 02:50:58,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2351 transitions. [2024-11-22 02:50:58,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-22 02:50:58,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:58,951 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] [2024-11-22 02:50:58,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-22 02:50:58,952 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 02:50:58,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:58,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1183434290, now seen corresponding path program 1 times [2024-11-22 02:50:58,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:58,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692629883] [2024-11-22 02:50:58,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:58,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:59,120 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 02:50:59,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:59,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692629883] [2024-11-22 02:50:59,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692629883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:59,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:59,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:50:59,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123786081] [2024-11-22 02:50:59,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:59,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:50:59,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:59,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:50:59,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:50:59,123 INFO L87 Difference]: Start difference. First operand 1700 states and 2351 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 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 02:50:59,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:59,144 INFO L93 Difference]: Finished difference Result 1774 states and 2448 transitions. [2024-11-22 02:50:59,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:50:59,145 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 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 02:50:59,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:59,149 INFO L225 Difference]: With dead ends: 1774 [2024-11-22 02:50:59,149 INFO L226 Difference]: Without dead ends: 1772 [2024-11-22 02:50:59,149 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 02:50:59,151 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:59,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 599 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:59,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1772 states. [2024-11-22 02:50:59,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1772 to 1772. [2024-11-22 02:50:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1772 states, 1771 states have (on average 1.3591191417278374) internal successors, (2407), 1771 states have internal predecessors, (2407), 0 states have call successors, (0), 0 states 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 02:50:59,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 1772 states and 2407 transitions. [2024-11-22 02:50:59,174 INFO L78 Accepts]: Start accepts. Automaton has 1772 states and 2407 transitions. Word has length 77 [2024-11-22 02:50:59,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:59,174 INFO L471 AbstractCegarLoop]: Abstraction has 1772 states and 2407 transitions. [2024-11-22 02:50:59,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 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 02:50:59,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 2407 transitions. [2024-11-22 02:50:59,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-22 02:50:59,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:59,175 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 02:50:59,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-22 02:50:59,175 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 02:50:59,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:59,176 INFO L85 PathProgramCache]: Analyzing trace with hash -696816699, now seen corresponding path program 1 times [2024-11-22 02:50:59,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:59,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408632298] [2024-11-22 02:50:59,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:59,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:59,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:59,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:59,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408632298] [2024-11-22 02:50:59,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408632298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:59,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:59,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:50:59,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366003313] [2024-11-22 02:50:59,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:59,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:50:59,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:59,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:50:59,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:50:59,242 INFO L87 Difference]: Start difference. First operand 1772 states and 2407 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 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 02:50:59,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:59,306 INFO L93 Difference]: Finished difference Result 3256 states and 4451 transitions. [2024-11-22 02:50:59,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:50:59,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 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 02:50:59,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:59,319 INFO L225 Difference]: With dead ends: 3256 [2024-11-22 02:50:59,320 INFO L226 Difference]: Without dead ends: 2762 [2024-11-22 02:50:59,323 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 02:50:59,323 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 286 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:59,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 417 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:59,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2024-11-22 02:50:59,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 2264. [2024-11-22 02:50:59,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2264 states, 2263 states have (on average 1.3605832965090587) internal successors, (3079), 2263 states have internal predecessors, (3079), 0 states have call successors, (0), 0 states 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 02:50:59,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 3079 transitions. [2024-11-22 02:50:59,353 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 3079 transitions. Word has length 77 [2024-11-22 02:50:59,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:59,353 INFO L471 AbstractCegarLoop]: Abstraction has 2264 states and 3079 transitions. [2024-11-22 02:50:59,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 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 02:50:59,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 3079 transitions. [2024-11-22 02:50:59,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-22 02:50:59,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:59,354 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 02:50:59,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-22 02:50:59,354 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 02:50:59,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:59,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1657778714, now seen corresponding path program 1 times [2024-11-22 02:50:59,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:59,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272084384] [2024-11-22 02:50:59,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:59,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:59,410 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 02:50:59,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:59,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272084384] [2024-11-22 02:50:59,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272084384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:59,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:59,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:50:59,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453879157] [2024-11-22 02:50:59,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:59,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:50:59,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:59,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:50:59,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:50:59,411 INFO L87 Difference]: Start difference. First operand 2264 states and 3079 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 02:50:59,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:59,440 INFO L93 Difference]: Finished difference Result 5884 states and 7993 transitions. [2024-11-22 02:50:59,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:50:59,441 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 02:50:59,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:59,449 INFO L225 Difference]: With dead ends: 5884 [2024-11-22 02:50:59,449 INFO L226 Difference]: Without dead ends: 3678 [2024-11-22 02:50:59,452 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 02:50:59,452 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 58 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 261 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 02:50:59,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 261 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:59,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3678 states. [2024-11-22 02:50:59,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3678 to 3388. [2024-11-22 02:50:59,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3388 states, 3387 states have (on average 1.3413049896663714) internal successors, (4543), 3387 states have internal predecessors, (4543), 0 states have call successors, (0), 0 states 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 02:50:59,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4543 transitions. [2024-11-22 02:50:59,506 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4543 transitions. Word has length 78 [2024-11-22 02:50:59,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:59,506 INFO L471 AbstractCegarLoop]: Abstraction has 3388 states and 4543 transitions. [2024-11-22 02:50:59,507 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 02:50:59,507 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4543 transitions. [2024-11-22 02:50:59,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-22 02:50:59,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:59,508 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2024-11-22 02:50:59,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-22 02:50:59,509 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 02:50:59,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:59,510 INFO L85 PathProgramCache]: Analyzing trace with hash 910821393, now seen corresponding path program 1 times [2024-11-22 02:50:59,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:59,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8026263] [2024-11-22 02:50:59,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:59,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:50:59,605 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:50:59,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:50:59,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8026263] [2024-11-22 02:50:59,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8026263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:50:59,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:50:59,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:50:59,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242492109] [2024-11-22 02:50:59,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:50:59,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:50:59,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:50:59,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:50:59,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:50:59,608 INFO L87 Difference]: Start difference. First operand 3388 states and 4543 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states 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 02:50:59,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:50:59,638 INFO L93 Difference]: Finished difference Result 6720 states and 9025 transitions. [2024-11-22 02:50:59,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:50:59,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2024-11-22 02:50:59,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:50:59,648 INFO L225 Difference]: With dead ends: 6720 [2024-11-22 02:50:59,648 INFO L226 Difference]: Without dead ends: 3390 [2024-11-22 02:50:59,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:50:59,652 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 56 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:50:59,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 238 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:50:59,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3390 states. [2024-11-22 02:50:59,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3390 to 3388. [2024-11-22 02:50:59,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3388 states, 3387 states have (on average 1.3200472394449365) internal successors, (4471), 3387 states have internal predecessors, (4471), 0 states have call successors, (0), 0 states 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 02:50:59,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4471 transitions. [2024-11-22 02:50:59,701 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4471 transitions. Word has length 99 [2024-11-22 02:50:59,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:50:59,701 INFO L471 AbstractCegarLoop]: Abstraction has 3388 states and 4471 transitions. [2024-11-22 02:50:59,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states 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 02:50:59,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4471 transitions. [2024-11-22 02:50:59,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-22 02:50:59,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:50:59,703 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] [2024-11-22 02:50:59,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-22 02:50:59,703 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 02:50:59,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:50:59,703 INFO L85 PathProgramCache]: Analyzing trace with hash 412335050, now seen corresponding path program 1 times [2024-11-22 02:50:59,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:50:59,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526344604] [2024-11-22 02:50:59,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:50:59,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:50:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:00,024 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:00,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:51:00,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526344604] [2024-11-22 02:51:00,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526344604] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:51:00,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281771624] [2024-11-22 02:51:00,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:00,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:51:00,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:51:00,027 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 02:51:00,029 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 02:51:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:00,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 02:51:00,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:51:00,760 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:00,761 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 02:51:01,667 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:01,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281771624] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 02:51:01,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 02:51:01,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2024-11-22 02:51:01,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209056161] [2024-11-22 02:51:01,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 02:51:01,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-22 02:51:01,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:51:01,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-22 02:51:01,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2024-11-22 02:51:01,670 INFO L87 Difference]: Start difference. First operand 3388 states and 4471 transitions. Second operand has 27 states, 27 states have (on average 8.814814814814815) internal successors, (238), 26 states have internal predecessors, (238), 0 states have call successors, (0), 0 states 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 02:51:04,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:51:04,805 INFO L93 Difference]: Finished difference Result 27492 states and 36125 transitions. [2024-11-22 02:51:04,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-11-22 02:51:04,806 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 8.814814814814815) internal successors, (238), 26 states have internal predecessors, (238), 0 states have call successors, (0), 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 99 [2024-11-22 02:51:04,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:51:04,857 INFO L225 Difference]: With dead ends: 27492 [2024-11-22 02:51:04,857 INFO L226 Difference]: Without dead ends: 24162 [2024-11-22 02:51:04,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4607 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=2127, Invalid=12879, Unknown=0, NotChecked=0, Total=15006 [2024-11-22 02:51:04,871 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 2561 mSDsluCounter, 1850 mSDsCounter, 0 mSdLazyCounter, 2005 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2561 SdHoareTripleChecker+Valid, 1984 SdHoareTripleChecker+Invalid, 2055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 02:51:04,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2561 Valid, 1984 Invalid, 2055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2005 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 02:51:04,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24162 states. [2024-11-22 02:51:05,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24162 to 17169. [2024-11-22 02:51:05,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17169 states, 17168 states have (on average 1.3102283317800558) internal successors, (22494), 17168 states have internal predecessors, (22494), 0 states have call successors, (0), 0 states 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 02:51:05,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17169 states to 17169 states and 22494 transitions. [2024-11-22 02:51:05,185 INFO L78 Accepts]: Start accepts. Automaton has 17169 states and 22494 transitions. Word has length 99 [2024-11-22 02:51:05,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:51:05,185 INFO L471 AbstractCegarLoop]: Abstraction has 17169 states and 22494 transitions. [2024-11-22 02:51:05,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.814814814814815) internal successors, (238), 26 states have internal predecessors, (238), 0 states have call successors, (0), 0 states 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 02:51:05,186 INFO L276 IsEmpty]: Start isEmpty. Operand 17169 states and 22494 transitions. [2024-11-22 02:51:05,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-22 02:51:05,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:51:05,190 INFO L215 NwaCegarLoop]: trace histogram [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 02:51:05,201 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 02:51:05,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-22 02:51:05,394 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 02:51:05,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:51:05,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1279457798, now seen corresponding path program 1 times [2024-11-22 02:51:05,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:51:05,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541861164] [2024-11-22 02:51:05,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:05,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:51:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:05,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:51:05,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541861164] [2024-11-22 02:51:05,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541861164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:51:05,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671295743] [2024-11-22 02:51:05,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:05,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:51:05,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:51:05,781 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 02:51:05,785 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 02:51:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:05,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 02:51:05,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:51:06,502 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:06,502 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 02:51:07,180 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:07,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671295743] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 02:51:07,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 02:51:07,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 28 [2024-11-22 02:51:07,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385751224] [2024-11-22 02:51:07,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 02:51:07,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-22 02:51:07,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:51:07,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-22 02:51:07,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=683, Unknown=0, NotChecked=0, Total=756 [2024-11-22 02:51:07,182 INFO L87 Difference]: Start difference. First operand 17169 states and 22494 transitions. Second operand has 28 states, 28 states have (on average 9.75) internal successors, (273), 28 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 02:51:16,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:51:16,524 INFO L93 Difference]: Finished difference Result 83715 states and 108526 transitions. [2024-11-22 02:51:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-11-22 02:51:16,524 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 9.75) internal successors, (273), 28 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 100 [2024-11-22 02:51:16,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:51:16,628 INFO L225 Difference]: With dead ends: 83715 [2024-11-22 02:51:16,628 INFO L226 Difference]: Without dead ends: 66630 [2024-11-22 02:51:16,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19429 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=7084, Invalid=41978, Unknown=0, NotChecked=0, Total=49062 [2024-11-22 02:51:16,661 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 3819 mSDsluCounter, 1934 mSDsCounter, 0 mSdLazyCounter, 2954 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3819 SdHoareTripleChecker+Valid, 2057 SdHoareTripleChecker+Invalid, 3074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-22 02:51:16,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3819 Valid, 2057 Invalid, 3074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 2954 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-22 02:51:16,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66630 states. [2024-11-22 02:51:17,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66630 to 40835. [2024-11-22 02:51:17,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40835 states, 40834 states have (on average 1.303986873683695) internal successors, (53247), 40834 states have internal predecessors, (53247), 0 states have call successors, (0), 0 states 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 02:51:17,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40835 states to 40835 states and 53247 transitions. [2024-11-22 02:51:17,477 INFO L78 Accepts]: Start accepts. Automaton has 40835 states and 53247 transitions. Word has length 100 [2024-11-22 02:51:17,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:51:17,478 INFO L471 AbstractCegarLoop]: Abstraction has 40835 states and 53247 transitions. [2024-11-22 02:51:17,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 9.75) internal successors, (273), 28 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 02:51:17,478 INFO L276 IsEmpty]: Start isEmpty. Operand 40835 states and 53247 transitions. [2024-11-22 02:51:17,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-22 02:51:17,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:51:17,486 INFO L215 NwaCegarLoop]: trace histogram [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 02:51:17,499 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 02:51:17,686 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,SelfDestructingSolverStorable28 [2024-11-22 02:51:17,687 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 02:51:17,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:51:17,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1677989637, now seen corresponding path program 1 times [2024-11-22 02:51:17,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:51:17,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415447058] [2024-11-22 02:51:17,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:17,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:51:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:17,728 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-22 02:51:17,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:51:17,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415447058] [2024-11-22 02:51:17,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415447058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:51:17,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:51:17,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:51:17,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321704144] [2024-11-22 02:51:17,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:51:17,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:51:17,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:51:17,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:51:17,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:51:17,730 INFO L87 Difference]: Start difference. First operand 40835 states and 53247 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states 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 02:51:17,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:51:17,875 INFO L93 Difference]: Finished difference Result 71562 states and 93581 transitions. [2024-11-22 02:51:17,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:51:17,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 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 02:51:17,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:51:17,926 INFO L225 Difference]: With dead ends: 71562 [2024-11-22 02:51:17,926 INFO L226 Difference]: Without dead ends: 30844 [2024-11-22 02:51:17,970 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 02:51:17,971 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 83 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:51:17,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 104 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:51:17,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30844 states. [2024-11-22 02:51:18,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30844 to 30704. [2024-11-22 02:51:18,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30704 states, 30703 states have (on average 1.294531479008566) internal successors, (39746), 30703 states have internal predecessors, (39746), 0 states have call successors, (0), 0 states 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 02:51:18,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30704 states to 30704 states and 39746 transitions. [2024-11-22 02:51:18,524 INFO L78 Accepts]: Start accepts. Automaton has 30704 states and 39746 transitions. Word has length 101 [2024-11-22 02:51:18,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:51:18,524 INFO L471 AbstractCegarLoop]: Abstraction has 30704 states and 39746 transitions. [2024-11-22 02:51:18,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states 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 02:51:18,525 INFO L276 IsEmpty]: Start isEmpty. Operand 30704 states and 39746 transitions. [2024-11-22 02:51:18,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-22 02:51:18,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:51:18,530 INFO L215 NwaCegarLoop]: trace histogram [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 02:51:18,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-22 02:51:18,531 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 02:51:18,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:51:18,531 INFO L85 PathProgramCache]: Analyzing trace with hash 2008738644, now seen corresponding path program 1 times [2024-11-22 02:51:18,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:51:18,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473781271] [2024-11-22 02:51:18,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:18,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:51:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:18,984 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 02:51:18,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:51:18,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473781271] [2024-11-22 02:51:18,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473781271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:51:18,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:51:18,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:51:18,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527871965] [2024-11-22 02:51:18,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:51:18,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 02:51:18,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:51:18,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 02:51:18,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:51:18,988 INFO L87 Difference]: Start difference. First operand 30704 states and 39746 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:51:19,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:51:19,391 INFO L93 Difference]: Finished difference Result 74256 states and 96049 transitions. [2024-11-22 02:51:19,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 02:51:19,392 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-22 02:51:19,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:51:19,441 INFO L225 Difference]: With dead ends: 74256 [2024-11-22 02:51:19,442 INFO L226 Difference]: Without dead ends: 43645 [2024-11-22 02:51:19,473 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 02:51:19,473 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 370 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:51:19,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 460 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:51:19,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43645 states. [2024-11-22 02:51:19,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43645 to 30704. [2024-11-22 02:51:19,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30704 states, 30703 states have (on average 1.2944011985799433) internal successors, (39742), 30703 states have internal predecessors, (39742), 0 states have call successors, (0), 0 states 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 02:51:20,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30704 states to 30704 states and 39742 transitions. [2024-11-22 02:51:20,096 INFO L78 Accepts]: Start accepts. Automaton has 30704 states and 39742 transitions. Word has length 101 [2024-11-22 02:51:20,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:51:20,097 INFO L471 AbstractCegarLoop]: Abstraction has 30704 states and 39742 transitions. [2024-11-22 02:51:20,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:51:20,097 INFO L276 IsEmpty]: Start isEmpty. Operand 30704 states and 39742 transitions. [2024-11-22 02:51:20,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-22 02:51:20,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:51:20,102 INFO L215 NwaCegarLoop]: trace histogram [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 02:51:20,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-22 02:51:20,102 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 02:51:20,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:51:20,103 INFO L85 PathProgramCache]: Analyzing trace with hash -290965972, now seen corresponding path program 1 times [2024-11-22 02:51:20,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:51:20,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748800848] [2024-11-22 02:51:20,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:20,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:51:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:20,772 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 02:51:20,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:51:20,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748800848] [2024-11-22 02:51:20,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748800848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:51:20,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:51:20,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-22 02:51:20,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504075850] [2024-11-22 02:51:20,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:51:20,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 02:51:20,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:51:20,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 02:51:20,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2024-11-22 02:51:20,774 INFO L87 Difference]: Start difference. First operand 30704 states and 39742 transitions. Second operand has 16 states, 16 states have (on average 6.0) internal successors, (96), 16 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 02:51:21,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:51:21,610 INFO L93 Difference]: Finished difference Result 64169 states and 83317 transitions. [2024-11-22 02:51:21,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 02:51:21,611 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 16 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 102 [2024-11-22 02:51:21,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:51:21,655 INFO L225 Difference]: With dead ends: 64169 [2024-11-22 02:51:21,655 INFO L226 Difference]: Without dead ends: 45178 [2024-11-22 02:51:21,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756 [2024-11-22 02:51:21,686 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 642 mSDsluCounter, 2096 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 2352 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 02:51:21,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [642 Valid, 2352 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1135 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 02:51:21,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45178 states. [2024-11-22 02:51:22,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45178 to 30697. [2024-11-22 02:51:22,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30697 states, 30696 states have (on average 1.2944357571019025) internal successors, (39734), 30696 states have internal predecessors, (39734), 0 states have call successors, (0), 0 states 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 02:51:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30697 states to 30697 states and 39734 transitions. [2024-11-22 02:51:22,187 INFO L78 Accepts]: Start accepts. Automaton has 30697 states and 39734 transitions. Word has length 102 [2024-11-22 02:51:22,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:51:22,187 INFO L471 AbstractCegarLoop]: Abstraction has 30697 states and 39734 transitions. [2024-11-22 02:51:22,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.0) internal successors, (96), 16 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 02:51:22,188 INFO L276 IsEmpty]: Start isEmpty. Operand 30697 states and 39734 transitions. [2024-11-22 02:51:22,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 02:51:22,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:51:22,191 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:51:22,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-22 02:51:22,192 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 02:51:22,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:51:22,192 INFO L85 PathProgramCache]: Analyzing trace with hash -112040011, now seen corresponding path program 1 times [2024-11-22 02:51:22,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:51:22,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865857652] [2024-11-22 02:51:22,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:22,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:51:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:22,606 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:22,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:51:22,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865857652] [2024-11-22 02:51:22,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865857652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:51:22,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589643269] [2024-11-22 02:51:22,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:22,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:51:22,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:51:22,610 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 02:51:22,611 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 02:51:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:22,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-22 02:51:22,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:51:23,596 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:23,597 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 02:51:25,001 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:25,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589643269] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 02:51:25,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 02:51:25,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16, 15] total 37 [2024-11-22 02:51:25,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241436451] [2024-11-22 02:51:25,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 02:51:25,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-22 02:51:25,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:51:25,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-22 02:51:25,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1210, Unknown=0, NotChecked=0, Total=1332 [2024-11-22 02:51:25,005 INFO L87 Difference]: Start difference. First operand 30697 states and 39734 transitions. Second operand has 37 states, 37 states have (on average 7.621621621621622) internal successors, (282), 37 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) [2024-11-22 02:51:49,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:51:49,011 INFO L93 Difference]: Finished difference Result 130981 states and 167456 transitions. [2024-11-22 02:51:49,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 345 states. [2024-11-22 02:51:49,012 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 7.621621621621622) internal successors, (282), 37 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) Word has length 103 [2024-11-22 02:51:49,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:51:49,130 INFO L225 Difference]: With dead ends: 130981 [2024-11-22 02:51:49,130 INFO L226 Difference]: Without dead ends: 118510 [2024-11-22 02:51:49,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 556 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 378 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63648 ImplicationChecksByTransitivity, 20.7s TimeCoverageRelationStatistics Valid=20162, Invalid=123858, Unknown=0, NotChecked=0, Total=144020 [2024-11-22 02:51:49,160 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 3599 mSDsluCounter, 4783 mSDsCounter, 0 mSdLazyCounter, 6612 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 5018 SdHoareTripleChecker+Invalid, 6713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 6612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:51:49,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3599 Valid, 5018 Invalid, 6713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 6612 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-22 02:51:49,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118510 states. [2024-11-22 02:51:49,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118510 to 36849. [2024-11-22 02:51:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36849 states, 36848 states have (on average 1.2936115935735997) internal successors, (47667), 36848 states have internal predecessors, (47667), 0 states have call successors, (0), 0 states 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 02:51:49,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36849 states to 36849 states and 47667 transitions. [2024-11-22 02:51:49,873 INFO L78 Accepts]: Start accepts. Automaton has 36849 states and 47667 transitions. Word has length 103 [2024-11-22 02:51:49,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:51:49,874 INFO L471 AbstractCegarLoop]: Abstraction has 36849 states and 47667 transitions. [2024-11-22 02:51:49,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 7.621621621621622) internal successors, (282), 37 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) [2024-11-22 02:51:49,874 INFO L276 IsEmpty]: Start isEmpty. Operand 36849 states and 47667 transitions. [2024-11-22 02:51:49,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 02:51:49,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:51:49,878 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:51:49,890 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 02:51:50,078 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 02:51:50,079 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 02:51:50,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:51:50,079 INFO L85 PathProgramCache]: Analyzing trace with hash 612875691, now seen corresponding path program 1 times [2024-11-22 02:51:50,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:51:50,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503366615] [2024-11-22 02:51:50,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:50,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:51:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:50,317 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:50,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:51:50,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503366615] [2024-11-22 02:51:50,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503366615] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:51:50,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091376681] [2024-11-22 02:51:50,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:50,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:51:50,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:51:50,320 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 02:51:50,320 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 02:51:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:50,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-22 02:51:50,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:51:51,351 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:51,352 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 02:51:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:52,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091376681] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 02:51:52,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 02:51:52,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 15] total 36 [2024-11-22 02:51:52,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492051726] [2024-11-22 02:51:52,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 02:51:52,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-22 02:51:52,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:51:52,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-22 02:51:52,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1159, Unknown=0, NotChecked=0, Total=1332 [2024-11-22 02:51:52,628 INFO L87 Difference]: Start difference. First operand 36849 states and 47667 transitions. Second operand has 37 states, 37 states have (on average 7.648648648648648) internal successors, (283), 36 states have internal predecessors, (283), 0 states have call successors, (0), 0 states 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 02:51:54,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:51:54,891 INFO L93 Difference]: Finished difference Result 83127 states and 108081 transitions. [2024-11-22 02:51:54,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-22 02:51:54,891 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 7.648648648648648) internal successors, (283), 36 states have internal predecessors, (283), 0 states have call successors, (0), 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 02:51:54,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:51:54,968 INFO L225 Difference]: With dead ends: 83127 [2024-11-22 02:51:54,968 INFO L226 Difference]: Without dead ends: 75205 [2024-11-22 02:51:54,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1748 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1256, Invalid=5386, Unknown=0, NotChecked=0, Total=6642 [2024-11-22 02:51:54,992 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 3149 mSDsluCounter, 2079 mSDsCounter, 0 mSdLazyCounter, 2018 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3149 SdHoareTripleChecker+Valid, 2196 SdHoareTripleChecker+Invalid, 2083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 2018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-22 02:51:54,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3149 Valid, 2196 Invalid, 2083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 2018 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-22 02:51:55,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75205 states. [2024-11-22 02:51:55,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75205 to 36849. [2024-11-22 02:51:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36849 states, 36848 states have (on average 1.2936115935735997) internal successors, (47667), 36848 states have internal predecessors, (47667), 0 states have call successors, (0), 0 states 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 02:51:55,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36849 states to 36849 states and 47667 transitions. [2024-11-22 02:51:55,563 INFO L78 Accepts]: Start accepts. Automaton has 36849 states and 47667 transitions. Word has length 103 [2024-11-22 02:51:55,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:51:55,563 INFO L471 AbstractCegarLoop]: Abstraction has 36849 states and 47667 transitions. [2024-11-22 02:51:55,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 7.648648648648648) internal successors, (283), 36 states have internal predecessors, (283), 0 states have call successors, (0), 0 states 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 02:51:55,563 INFO L276 IsEmpty]: Start isEmpty. Operand 36849 states and 47667 transitions. [2024-11-22 02:51:55,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 02:51:55,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:51:55,566 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:51:55,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 02:51:55,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:51:55,766 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 02:51:55,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:51:55,767 INFO L85 PathProgramCache]: Analyzing trace with hash -787523675, now seen corresponding path program 1 times [2024-11-22 02:51:55,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:51:55,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397299793] [2024-11-22 02:51:55,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:55,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:51:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:56,443 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:56,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:51:56,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397299793] [2024-11-22 02:51:56,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397299793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:51:56,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437682489] [2024-11-22 02:51:56,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:51:56,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:51:56,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:51:56,448 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:51:56,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 02:51:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:51:56,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 02:51:56,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:51:57,138 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:57,138 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 02:51:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:51:57,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437682489] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 02:51:57,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 02:51:57,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 10] total 32 [2024-11-22 02:51:57,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224412109] [2024-11-22 02:51:57,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 02:51:57,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-22 02:51:57,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:51:57,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-22 02:51:57,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=907, Unknown=0, NotChecked=0, Total=992 [2024-11-22 02:51:57,543 INFO L87 Difference]: Start difference. First operand 36849 states and 47667 transitions. Second operand has 32 states, 32 states have (on average 8.5625) internal successors, (274), 32 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)