./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9674251da7d9ff9045cc98880d6752b693163f5c0467dc21f0f16b64a076bd08 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:39:00,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:39:00,737 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:39:00,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:39:00,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:39:00,798 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:39:00,799 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:39:00,799 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:39:00,800 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:39:00,800 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:39:00,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:39:00,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:39:00,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:39:00,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:39:00,807 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:39:00,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:39:00,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:39:00,808 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:39:00,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:39:00,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:39:00,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:39:00,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:39:00,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:39:00,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:39:00,814 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:39:00,814 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:39:00,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:39:00,815 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:39:00,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:39:00,815 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:39:00,816 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:39:00,816 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:39:00,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:39:00,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:39:00,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:39:00,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:39:00,819 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:39:00,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:39:00,819 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:39:00,820 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:39:00,820 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:39:00,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:39:00,820 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9674251da7d9ff9045cc98880d6752b693163f5c0467dc21f0f16b64a076bd08 [2024-11-22 02:39:01,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:39:01,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:39:01,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:39:01,091 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:39:01,092 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:39:01,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-22 02:39:02,579 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:39:02,859 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:39:02,859 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-22 02:39:02,878 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3524efdf4/2b73cac9b0d245bba8de598739deee3e/FLAG822dd67b2 [2024-11-22 02:39:03,159 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3524efdf4/2b73cac9b0d245bba8de598739deee3e [2024-11-22 02:39:03,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:39:03,163 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:39:03,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:39:03,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:39:03,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:39:03,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:39:03" (1/1) ... [2024-11-22 02:39:03,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6beaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:39:03, skipping insertion in model container [2024-11-22 02:39:03,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:39:03" (1/1) ... [2024-11-22 02:39:03,241 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:39:03,562 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14166,14179] [2024-11-22 02:39:03,579 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15226,15239] [2024-11-22 02:39:03,658 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[26532,26545] [2024-11-22 02:39:03,670 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[27179,27192] [2024-11-22 02:39:03,689 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[28412,28425] [2024-11-22 02:39:03,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:39:03,749 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:39:03,856 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[14166,14179] [2024-11-22 02:39:03,865 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[15226,15239] [2024-11-22 02:39:03,915 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[26532,26545] [2024-11-22 02:39:03,921 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[27179,27192] [2024-11-22 02:39:03,929 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_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[28412,28425] [2024-11-22 02:39:03,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:39:03,969 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:39:03,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:39:03 WrapperNode [2024-11-22 02:39:03,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:39:03,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:39:03,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:39:03,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:39:03,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:39:03" (1/1) ... [2024-11-22 02:39:03,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:39:03" (1/1) ... [2024-11-22 02:39:04,062 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1636 [2024-11-22 02:39:04,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:39:04,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:39:04,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:39:04,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:39:04,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:39:03" (1/1) ... [2024-11-22 02:39:04,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:39:03" (1/1) ... [2024-11-22 02:39:04,084 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:39:03" (1/1) ... [2024-11-22 02:39:04,111 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 02:39:04,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:39:03" (1/1) ... [2024-11-22 02:39:04,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:39:03" (1/1) ... [2024-11-22 02:39:04,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:39:03" (1/1) ... [2024-11-22 02:39:04,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:39:03" (1/1) ... [2024-11-22 02:39:04,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:39:03" (1/1) ... [2024-11-22 02:39:04,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:39:03" (1/1) ... [2024-11-22 02:39:04,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:39:04,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:39:04,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:39:04,197 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:39:04,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:39:03" (1/1) ... [2024-11-22 02:39:04,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:39:04,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:39:04,238 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 02:39:04,245 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 02:39:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:39:04,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:39:04,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:39:04,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:39:04,431 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:39:04,433 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:39:05,842 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-11-22 02:39:05,842 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:39:05,873 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:39:05,874 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 02:39:05,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:39:05 BoogieIcfgContainer [2024-11-22 02:39:05,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:39:05,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:39:05,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:39:05,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:39:05,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:39:03" (1/3) ... [2024-11-22 02:39:05,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa818a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:39:05, skipping insertion in model container [2024-11-22 02:39:05,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:39:03" (2/3) ... [2024-11-22 02:39:05,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa818a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:39:05, skipping insertion in model container [2024-11-22 02:39:05,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:39:05" (3/3) ... [2024-11-22 02:39:05,887 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.3.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2024-11-22 02:39:05,904 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:39:05,905 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-11-22 02:39:05,986 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:39:05,995 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;@4ee551f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:39:05,998 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-22 02:39:06,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 377 states, 371 states have (on average 1.8274932614555257) internal successors, (678), 376 states have internal predecessors, (678), 0 states have call successors, (0), 0 states 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 02:39:06,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-22 02:39:06,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:06,026 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:06,028 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:06,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:06,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1203570768, now seen corresponding path program 1 times [2024-11-22 02:39:06,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:06,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445627542] [2024-11-22 02:39:06,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:06,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:07,205 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 02:39:07,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:07,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445627542] [2024-11-22 02:39:07,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445627542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:07,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:07,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:39:07,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026282832] [2024-11-22 02:39:07,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:07,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:39:07,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:07,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:39:07,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:07,270 INFO L87 Difference]: Start difference. First operand has 377 states, 371 states have (on average 1.8274932614555257) internal successors, (678), 376 states have internal predecessors, (678), 0 states have call successors, (0), 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 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 02:39:07,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:07,485 INFO L93 Difference]: Finished difference Result 1434 states and 2591 transitions. [2024-11-22 02:39:07,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 02:39:07,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 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 139 [2024-11-22 02:39:07,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:07,514 INFO L225 Difference]: With dead ends: 1434 [2024-11-22 02:39:07,515 INFO L226 Difference]: Without dead ends: 1075 [2024-11-22 02:39:07,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:07,528 INFO L432 NwaCegarLoop]: 1180 mSDtfsCounter, 1239 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 2418 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:07,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 2418 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:39:07,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2024-11-22 02:39:07,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 701. [2024-11-22 02:39:07,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 696 states have (on average 1.4439655172413792) internal successors, (1005), 700 states have internal predecessors, (1005), 0 states have call successors, (0), 0 states 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 02:39:07,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1005 transitions. [2024-11-22 02:39:07,599 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1005 transitions. Word has length 139 [2024-11-22 02:39:07,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:07,600 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 1005 transitions. [2024-11-22 02:39:07,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states 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 02:39:07,600 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1005 transitions. [2024-11-22 02:39:07,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-22 02:39:07,607 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:07,608 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:07,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 02:39:07,609 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:07,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:07,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1141139268, now seen corresponding path program 1 times [2024-11-22 02:39:07,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:07,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935538868] [2024-11-22 02:39:07,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:07,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:07,810 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 02:39:07,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:07,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935538868] [2024-11-22 02:39:07,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935538868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:07,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:07,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:39:07,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33794524] [2024-11-22 02:39:07,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:07,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:39:07,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:07,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:39:07,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:39:07,816 INFO L87 Difference]: Start difference. First operand 701 states and 1005 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states 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 02:39:07,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:07,847 INFO L93 Difference]: Finished difference Result 1376 states and 1966 transitions. [2024-11-22 02:39:07,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:39:07,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2024-11-22 02:39:07,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:07,851 INFO L225 Difference]: With dead ends: 1376 [2024-11-22 02:39:07,851 INFO L226 Difference]: Without dead ends: 703 [2024-11-22 02:39:07,855 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 02:39:07,856 INFO L432 NwaCegarLoop]: 538 mSDtfsCounter, 0 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:07,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1070 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:39:07,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2024-11-22 02:39:07,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 703. [2024-11-22 02:39:07,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 698 states have (on average 1.4426934097421202) internal successors, (1007), 702 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states 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 02:39:07,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1007 transitions. [2024-11-22 02:39:07,892 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1007 transitions. Word has length 140 [2024-11-22 02:39:07,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:07,892 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 1007 transitions. [2024-11-22 02:39:07,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states 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 02:39:07,892 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1007 transitions. [2024-11-22 02:39:07,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-22 02:39:07,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:07,899 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:07,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 02:39:07,899 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:07,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:07,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1084924930, now seen corresponding path program 1 times [2024-11-22 02:39:07,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:07,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409956994] [2024-11-22 02:39:07,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:07,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:08,060 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 02:39:08,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:08,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409956994] [2024-11-22 02:39:08,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409956994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:08,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:08,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:39:08,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466544302] [2024-11-22 02:39:08,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:08,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:39:08,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:08,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:39:08,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:39:08,067 INFO L87 Difference]: Start difference. First operand 703 states and 1007 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states 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 02:39:08,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:08,131 INFO L93 Difference]: Finished difference Result 1889 states and 2712 transitions. [2024-11-22 02:39:08,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:39:08,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2024-11-22 02:39:08,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:08,139 INFO L225 Difference]: With dead ends: 1889 [2024-11-22 02:39:08,139 INFO L226 Difference]: Without dead ends: 1364 [2024-11-22 02:39:08,141 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 02:39:08,143 INFO L432 NwaCegarLoop]: 985 mSDtfsCounter, 463 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:08,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 1478 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:39:08,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2024-11-22 02:39:08,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1339. [2024-11-22 02:39:08,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1339 states, 1334 states have (on average 1.4302848575712144) internal successors, (1908), 1338 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states 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 02:39:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1908 transitions. [2024-11-22 02:39:08,182 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1908 transitions. Word has length 141 [2024-11-22 02:39:08,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:08,183 INFO L471 AbstractCegarLoop]: Abstraction has 1339 states and 1908 transitions. [2024-11-22 02:39:08,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states 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 02:39:08,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1908 transitions. [2024-11-22 02:39:08,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-22 02:39:08,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:08,187 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:08,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 02:39:08,187 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:08,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:08,188 INFO L85 PathProgramCache]: Analyzing trace with hash -980453119, now seen corresponding path program 1 times [2024-11-22 02:39:08,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:08,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043689511] [2024-11-22 02:39:08,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:08,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:08,812 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 02:39:08,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:08,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043689511] [2024-11-22 02:39:08,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043689511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:08,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:08,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:39:08,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531175073] [2024-11-22 02:39:08,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:08,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:39:08,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:08,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:39:08,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:08,819 INFO L87 Difference]: Start difference. First operand 1339 states and 1908 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states 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 02:39:08,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:08,851 INFO L93 Difference]: Finished difference Result 2197 states and 3138 transitions. [2024-11-22 02:39:08,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 02:39:08,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2024-11-22 02:39:08,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:08,858 INFO L225 Difference]: With dead ends: 2197 [2024-11-22 02:39:08,858 INFO L226 Difference]: Without dead ends: 1026 [2024-11-22 02:39:08,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:08,860 INFO L432 NwaCegarLoop]: 581 mSDtfsCounter, 25 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 1690 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 02:39:08,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 1690 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:39:08,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-11-22 02:39:08,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 1026. [2024-11-22 02:39:08,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 1021 states have (on average 1.4240940254652301) internal successors, (1454), 1025 states have internal predecessors, (1454), 0 states have call successors, (0), 0 states 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 02:39:08,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1454 transitions. [2024-11-22 02:39:08,886 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1454 transitions. Word has length 141 [2024-11-22 02:39:08,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:08,887 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1454 transitions. [2024-11-22 02:39:08,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states 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 02:39:08,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1454 transitions. [2024-11-22 02:39:08,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-22 02:39:08,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:08,889 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:08,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 02:39:08,889 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:08,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:08,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1168757507, now seen corresponding path program 1 times [2024-11-22 02:39:08,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:08,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056125040] [2024-11-22 02:39:08,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:08,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:09,035 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 02:39:09,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:09,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056125040] [2024-11-22 02:39:09,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056125040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:09,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:09,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:39:09,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288011406] [2024-11-22 02:39:09,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:09,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:39:09,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:09,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:39:09,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:39:09,039 INFO L87 Difference]: Start difference. First operand 1026 states and 1454 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states 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 02:39:09,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:09,328 INFO L93 Difference]: Finished difference Result 2646 states and 3789 transitions. [2024-11-22 02:39:09,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:39:09,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 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 147 [2024-11-22 02:39:09,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:09,336 INFO L225 Difference]: With dead ends: 2646 [2024-11-22 02:39:09,337 INFO L226 Difference]: Without dead ends: 1873 [2024-11-22 02:39:09,338 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 02:39:09,339 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 390 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:09,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 917 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 02:39:09,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1873 states. [2024-11-22 02:39:09,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1873 to 1848. [2024-11-22 02:39:09,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1848 states, 1843 states have (on average 1.427563754747694) internal successors, (2631), 1847 states have internal predecessors, (2631), 0 states have call successors, (0), 0 states 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 02:39:09,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1848 states and 2631 transitions. [2024-11-22 02:39:09,386 INFO L78 Accepts]: Start accepts. Automaton has 1848 states and 2631 transitions. Word has length 147 [2024-11-22 02:39:09,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:09,387 INFO L471 AbstractCegarLoop]: Abstraction has 1848 states and 2631 transitions. [2024-11-22 02:39:09,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states 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 02:39:09,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 2631 transitions. [2024-11-22 02:39:09,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-22 02:39:09,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:09,391 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:09,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 02:39:09,392 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:09,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:09,393 INFO L85 PathProgramCache]: Analyzing trace with hash 668575330, now seen corresponding path program 1 times [2024-11-22 02:39:09,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:09,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502943526] [2024-11-22 02:39:09,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:09,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:09,966 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 02:39:09,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:09,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502943526] [2024-11-22 02:39:09,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502943526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:09,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:09,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:39:09,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007963729] [2024-11-22 02:39:09,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:09,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:39:09,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:09,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:39:09,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:09,974 INFO L87 Difference]: Start difference. First operand 1848 states and 2631 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states 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 02:39:10,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:10,129 INFO L93 Difference]: Finished difference Result 3382 states and 4979 transitions. [2024-11-22 02:39:10,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 02:39:10,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 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 147 [2024-11-22 02:39:10,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:10,142 INFO L225 Difference]: With dead ends: 3382 [2024-11-22 02:39:10,147 INFO L226 Difference]: Without dead ends: 2810 [2024-11-22 02:39:10,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:10,151 INFO L432 NwaCegarLoop]: 537 mSDtfsCounter, 614 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:10,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 1013 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:39:10,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2810 states. [2024-11-22 02:39:10,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2810 to 2808. [2024-11-22 02:39:10,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2808 states, 2803 states have (on average 1.4416696396717803) internal successors, (4041), 2807 states have internal predecessors, (4041), 0 states have call successors, (0), 0 states 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 02:39:10,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2808 states and 4041 transitions. [2024-11-22 02:39:10,229 INFO L78 Accepts]: Start accepts. Automaton has 2808 states and 4041 transitions. Word has length 147 [2024-11-22 02:39:10,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:10,229 INFO L471 AbstractCegarLoop]: Abstraction has 2808 states and 4041 transitions. [2024-11-22 02:39:10,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states 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 02:39:10,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 4041 transitions. [2024-11-22 02:39:10,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-22 02:39:10,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:10,235 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:10,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 02:39:10,235 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:10,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:10,236 INFO L85 PathProgramCache]: Analyzing trace with hash 2048583783, now seen corresponding path program 1 times [2024-11-22 02:39:10,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:10,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804883611] [2024-11-22 02:39:10,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:10,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:10,376 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 02:39:10,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:10,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804883611] [2024-11-22 02:39:10,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804883611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:10,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:10,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:39:10,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620945918] [2024-11-22 02:39:10,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:10,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:39:10,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:10,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:39:10,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:39:10,380 INFO L87 Difference]: Start difference. First operand 2808 states and 4041 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states 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 02:39:10,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:10,472 INFO L93 Difference]: Finished difference Result 5536 states and 8267 transitions. [2024-11-22 02:39:10,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:39:10,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 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 147 [2024-11-22 02:39:10,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:10,488 INFO L225 Difference]: With dead ends: 5536 [2024-11-22 02:39:10,489 INFO L226 Difference]: Without dead ends: 4451 [2024-11-22 02:39:10,493 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 02:39:10,495 INFO L432 NwaCegarLoop]: 503 mSDtfsCounter, 306 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:10,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 841 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:39:10,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4451 states. [2024-11-22 02:39:10,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4451 to 4449. [2024-11-22 02:39:10,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4449 states, 4444 states have (on average 1.4612961296129614) internal successors, (6494), 4448 states have internal predecessors, (6494), 0 states have call successors, (0), 0 states 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 02:39:10,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4449 states to 4449 states and 6494 transitions. [2024-11-22 02:39:10,631 INFO L78 Accepts]: Start accepts. Automaton has 4449 states and 6494 transitions. Word has length 147 [2024-11-22 02:39:10,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:10,631 INFO L471 AbstractCegarLoop]: Abstraction has 4449 states and 6494 transitions. [2024-11-22 02:39:10,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states 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 02:39:10,632 INFO L276 IsEmpty]: Start isEmpty. Operand 4449 states and 6494 transitions. [2024-11-22 02:39:10,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-22 02:39:10,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:10,637 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:10,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 02:39:10,638 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:10,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:10,639 INFO L85 PathProgramCache]: Analyzing trace with hash -101387384, now seen corresponding path program 1 times [2024-11-22 02:39:10,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:10,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930362170] [2024-11-22 02:39:10,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:10,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:11,113 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 02:39:11,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:11,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930362170] [2024-11-22 02:39:11,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930362170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:11,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:11,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:39:11,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988130356] [2024-11-22 02:39:11,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:11,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:39:11,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:11,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:39:11,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:11,116 INFO L87 Difference]: Start difference. First operand 4449 states and 6494 transitions. Second operand has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states 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 02:39:11,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:11,257 INFO L93 Difference]: Finished difference Result 11588 states and 16902 transitions. [2024-11-22 02:39:11,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:39:11,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 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 147 [2024-11-22 02:39:11,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:11,282 INFO L225 Difference]: With dead ends: 11588 [2024-11-22 02:39:11,282 INFO L226 Difference]: Without dead ends: 7158 [2024-11-22 02:39:11,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:39:11,290 INFO L432 NwaCegarLoop]: 931 mSDtfsCounter, 465 mSDsluCounter, 1377 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 2308 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:11,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 2308 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:39:11,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7158 states. [2024-11-22 02:39:11,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7158 to 7136. [2024-11-22 02:39:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7136 states, 7131 states have (on average 1.444818398541579) internal successors, (10303), 7135 states have internal predecessors, (10303), 0 states have call successors, (0), 0 states 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 02:39:11,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7136 states to 7136 states and 10303 transitions. [2024-11-22 02:39:11,469 INFO L78 Accepts]: Start accepts. Automaton has 7136 states and 10303 transitions. Word has length 147 [2024-11-22 02:39:11,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:11,470 INFO L471 AbstractCegarLoop]: Abstraction has 7136 states and 10303 transitions. [2024-11-22 02:39:11,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.75) internal successors, (147), 4 states have internal predecessors, (147), 0 states have call successors, (0), 0 states 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 02:39:11,470 INFO L276 IsEmpty]: Start isEmpty. Operand 7136 states and 10303 transitions. [2024-11-22 02:39:11,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-22 02:39:11,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:11,479 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:11,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 02:39:11,479 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:11,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:11,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1357805037, now seen corresponding path program 1 times [2024-11-22 02:39:11,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:11,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504767777] [2024-11-22 02:39:11,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:11,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:11,565 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 02:39:11,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:11,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504767777] [2024-11-22 02:39:11,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504767777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:11,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:11,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:39:11,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576664522] [2024-11-22 02:39:11,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:11,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:39:11,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:11,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:39:11,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:39:11,568 INFO L87 Difference]: Start difference. First operand 7136 states and 10303 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states 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 02:39:11,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:11,654 INFO L93 Difference]: Finished difference Result 15599 states and 22500 transitions. [2024-11-22 02:39:11,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:39:11,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 148 [2024-11-22 02:39:11,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:11,703 INFO L225 Difference]: With dead ends: 15599 [2024-11-22 02:39:11,704 INFO L226 Difference]: Without dead ends: 10015 [2024-11-22 02:39:11,720 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 02:39:11,722 INFO L432 NwaCegarLoop]: 972 mSDtfsCounter, 505 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:11,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 1501 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:39:11,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10015 states. [2024-11-22 02:39:11,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10015 to 7136. [2024-11-22 02:39:11,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7136 states, 7131 states have (on average 1.4446781657551535) internal successors, (10302), 7135 states have internal predecessors, (10302), 0 states have call successors, (0), 0 states 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 02:39:11,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7136 states to 7136 states and 10302 transitions. [2024-11-22 02:39:11,961 INFO L78 Accepts]: Start accepts. Automaton has 7136 states and 10302 transitions. Word has length 148 [2024-11-22 02:39:11,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:11,962 INFO L471 AbstractCegarLoop]: Abstraction has 7136 states and 10302 transitions. [2024-11-22 02:39:11,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states 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 02:39:11,962 INFO L276 IsEmpty]: Start isEmpty. Operand 7136 states and 10302 transitions. [2024-11-22 02:39:11,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-22 02:39:11,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:11,971 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:11,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 02:39:11,972 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:11,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:11,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1272506948, now seen corresponding path program 1 times [2024-11-22 02:39:11,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:11,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585550583] [2024-11-22 02:39:11,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:11,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:12,080 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 02:39:12,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:12,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585550583] [2024-11-22 02:39:12,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585550583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:12,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:12,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:39:12,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278930992] [2024-11-22 02:39:12,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:12,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:39:12,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:12,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:39:12,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:39:12,086 INFO L87 Difference]: Start difference. First operand 7136 states and 10302 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states 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 02:39:12,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:12,221 INFO L93 Difference]: Finished difference Result 20323 states and 29354 transitions. [2024-11-22 02:39:12,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:39:12,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2024-11-22 02:39:12,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:12,250 INFO L225 Difference]: With dead ends: 20323 [2024-11-22 02:39:12,251 INFO L226 Difference]: Without dead ends: 13660 [2024-11-22 02:39:12,263 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 02:39:12,263 INFO L432 NwaCegarLoop]: 1004 mSDtfsCounter, 453 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 1486 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:12,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 1486 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:39:12,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13660 states. [2024-11-22 02:39:12,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13660 to 13640. [2024-11-22 02:39:12,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13640 states, 13635 states have (on average 1.4280894756142282) internal successors, (19472), 13639 states have internal predecessors, (19472), 0 states have call successors, (0), 0 states 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 02:39:12,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13640 states to 13640 states and 19472 transitions. [2024-11-22 02:39:12,658 INFO L78 Accepts]: Start accepts. Automaton has 13640 states and 19472 transitions. Word has length 149 [2024-11-22 02:39:12,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:12,659 INFO L471 AbstractCegarLoop]: Abstraction has 13640 states and 19472 transitions. [2024-11-22 02:39:12,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states 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 02:39:12,659 INFO L276 IsEmpty]: Start isEmpty. Operand 13640 states and 19472 transitions. [2024-11-22 02:39:12,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-22 02:39:12,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:12,679 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:12,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 02:39:12,679 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:12,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:12,680 INFO L85 PathProgramCache]: Analyzing trace with hash -235144953, now seen corresponding path program 1 times [2024-11-22 02:39:12,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:12,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722049564] [2024-11-22 02:39:12,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:12,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:13,124 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 02:39:13,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:13,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722049564] [2024-11-22 02:39:13,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722049564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:13,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:13,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:39:13,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620170036] [2024-11-22 02:39:13,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:13,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:39:13,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:13,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:39:13,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:13,127 INFO L87 Difference]: Start difference. First operand 13640 states and 19472 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states 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 02:39:13,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:13,465 INFO L93 Difference]: Finished difference Result 66113 states and 94069 transitions. [2024-11-22 02:39:13,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:39:13,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 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 149 [2024-11-22 02:39:13,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:13,577 INFO L225 Difference]: With dead ends: 66113 [2024-11-22 02:39:13,577 INFO L226 Difference]: Without dead ends: 52520 [2024-11-22 02:39:13,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:39:13,614 INFO L432 NwaCegarLoop]: 923 mSDtfsCounter, 1496 mSDsluCounter, 1454 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1496 SdHoareTripleChecker+Valid, 2377 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:13,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1496 Valid, 2377 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:39:13,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52520 states. [2024-11-22 02:39:14,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52520 to 26279. [2024-11-22 02:39:14,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26279 states, 26274 states have (on average 1.4086930044911319) internal successors, (37012), 26278 states have internal predecessors, (37012), 0 states have call successors, (0), 0 states 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 02:39:14,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26279 states to 26279 states and 37012 transitions. [2024-11-22 02:39:14,670 INFO L78 Accepts]: Start accepts. Automaton has 26279 states and 37012 transitions. Word has length 149 [2024-11-22 02:39:14,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:14,670 INFO L471 AbstractCegarLoop]: Abstraction has 26279 states and 37012 transitions. [2024-11-22 02:39:14,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states 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 02:39:14,671 INFO L276 IsEmpty]: Start isEmpty. Operand 26279 states and 37012 transitions. [2024-11-22 02:39:14,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-22 02:39:14,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:14,702 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:14,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 02:39:14,702 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:14,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:14,703 INFO L85 PathProgramCache]: Analyzing trace with hash 2003751507, now seen corresponding path program 1 times [2024-11-22 02:39:14,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:14,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586799231] [2024-11-22 02:39:14,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:14,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:14,794 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 02:39:14,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:14,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586799231] [2024-11-22 02:39:14,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586799231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:14,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:14,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:39:14,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89574054] [2024-11-22 02:39:14,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:14,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:39:14,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:14,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:39:14,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:39:14,797 INFO L87 Difference]: Start difference. First operand 26279 states and 37012 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:14,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:14,941 INFO L93 Difference]: Finished difference Result 52446 states and 73873 transitions. [2024-11-22 02:39:14,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:39:14,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2024-11-22 02:39:14,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:14,994 INFO L225 Difference]: With dead ends: 52446 [2024-11-22 02:39:14,994 INFO L226 Difference]: Without dead ends: 26287 [2024-11-22 02:39:15,029 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 02:39:15,030 INFO L432 NwaCegarLoop]: 535 mSDtfsCounter, 0 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:15,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1064 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:39:15,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26287 states. [2024-11-22 02:39:15,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26287 to 26287. [2024-11-22 02:39:15,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26287 states, 26282 states have (on average 1.4085686020850772) internal successors, (37020), 26286 states have internal predecessors, (37020), 0 states have call successors, (0), 0 states 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 02:39:16,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26287 states to 26287 states and 37020 transitions. [2024-11-22 02:39:16,022 INFO L78 Accepts]: Start accepts. Automaton has 26287 states and 37020 transitions. Word has length 150 [2024-11-22 02:39:16,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:16,023 INFO L471 AbstractCegarLoop]: Abstraction has 26287 states and 37020 transitions. [2024-11-22 02:39:16,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:16,023 INFO L276 IsEmpty]: Start isEmpty. Operand 26287 states and 37020 transitions. [2024-11-22 02:39:16,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 02:39:16,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:16,058 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:16,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 02:39:16,058 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:16,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:16,059 INFO L85 PathProgramCache]: Analyzing trace with hash 517151782, now seen corresponding path program 1 times [2024-11-22 02:39:16,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:16,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084542109] [2024-11-22 02:39:16,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:16,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:16,752 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 02:39:16,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:16,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084542109] [2024-11-22 02:39:16,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084542109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:16,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:16,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:39:16,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495929510] [2024-11-22 02:39:16,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:16,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:39:16,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:16,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:39:16,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:16,756 INFO L87 Difference]: Start difference. First operand 26287 states and 37020 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 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 02:39:16,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:16,898 INFO L93 Difference]: Finished difference Result 41929 states and 59019 transitions. [2024-11-22 02:39:16,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 02:39:16,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 151 [2024-11-22 02:39:16,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:16,936 INFO L225 Difference]: With dead ends: 41929 [2024-11-22 02:39:16,937 INFO L226 Difference]: Without dead ends: 21410 [2024-11-22 02:39:16,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:16,956 INFO L432 NwaCegarLoop]: 571 mSDtfsCounter, 17 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1668 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:16,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1668 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:39:16,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21410 states. [2024-11-22 02:39:17,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21410 to 21410. [2024-11-22 02:39:17,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21410 states, 21405 states have (on average 1.4035505722961925) internal successors, (30043), 21409 states have internal predecessors, (30043), 0 states have call successors, (0), 0 states 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 02:39:17,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21410 states to 21410 states and 30043 transitions. [2024-11-22 02:39:17,378 INFO L78 Accepts]: Start accepts. Automaton has 21410 states and 30043 transitions. Word has length 151 [2024-11-22 02:39:17,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:17,378 INFO L471 AbstractCegarLoop]: Abstraction has 21410 states and 30043 transitions. [2024-11-22 02:39:17,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 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 02:39:17,379 INFO L276 IsEmpty]: Start isEmpty. Operand 21410 states and 30043 transitions. [2024-11-22 02:39:17,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-22 02:39:17,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:17,404 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:17,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 02:39:17,404 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:17,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:17,405 INFO L85 PathProgramCache]: Analyzing trace with hash -915362106, now seen corresponding path program 1 times [2024-11-22 02:39:17,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:17,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690999953] [2024-11-22 02:39:17,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:17,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:17,911 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 02:39:17,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:17,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690999953] [2024-11-22 02:39:17,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690999953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:17,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:17,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:39:17,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404958065] [2024-11-22 02:39:17,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:17,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 02:39:17,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:17,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 02:39:17,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-22 02:39:17,915 INFO L87 Difference]: Start difference. First operand 21410 states and 30043 transitions. Second operand has 8 states, 8 states have (on average 19.625) internal successors, (157), 8 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:18,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:18,344 INFO L93 Difference]: Finished difference Result 43799 states and 62721 transitions. [2024-11-22 02:39:18,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 02:39:18,345 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.625) internal successors, (157), 8 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 157 [2024-11-22 02:39:18,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:18,412 INFO L225 Difference]: With dead ends: 43799 [2024-11-22 02:39:18,413 INFO L226 Difference]: Without dead ends: 34761 [2024-11-22 02:39:18,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:39:18,431 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 1926 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 1245 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:18,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1926 Valid, 1245 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 02:39:18,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34761 states. [2024-11-22 02:39:19,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34761 to 34759. [2024-11-22 02:39:19,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34759 states, 34754 states have (on average 1.3845025033089717) internal successors, (48117), 34758 states have internal predecessors, (48117), 0 states have call successors, (0), 0 states 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 02:39:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34759 states to 34759 states and 48117 transitions. [2024-11-22 02:39:19,117 INFO L78 Accepts]: Start accepts. Automaton has 34759 states and 48117 transitions. Word has length 157 [2024-11-22 02:39:19,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:19,118 INFO L471 AbstractCegarLoop]: Abstraction has 34759 states and 48117 transitions. [2024-11-22 02:39:19,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.625) internal successors, (157), 8 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:19,118 INFO L276 IsEmpty]: Start isEmpty. Operand 34759 states and 48117 transitions. [2024-11-22 02:39:19,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-22 02:39:19,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:19,150 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:19,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 02:39:19,150 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:19,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:19,151 INFO L85 PathProgramCache]: Analyzing trace with hash 234138742, now seen corresponding path program 1 times [2024-11-22 02:39:19,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:19,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286845894] [2024-11-22 02:39:19,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:19,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:19,734 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 02:39:19,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:19,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286845894] [2024-11-22 02:39:19,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286845894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:19,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:19,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:39:19,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654442976] [2024-11-22 02:39:19,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:19,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:39:19,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:19,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:39:19,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:19,737 INFO L87 Difference]: Start difference. First operand 34759 states and 48117 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:20,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:20,020 INFO L93 Difference]: Finished difference Result 69411 states and 96096 transitions. [2024-11-22 02:39:20,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 02:39:20,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 157 [2024-11-22 02:39:20,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:20,078 INFO L225 Difference]: With dead ends: 69411 [2024-11-22 02:39:20,078 INFO L226 Difference]: Without dead ends: 34759 [2024-11-22 02:39:20,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:20,106 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 10 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1640 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 02:39:20,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1640 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:39:20,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34759 states. [2024-11-22 02:39:20,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34759 to 34756. [2024-11-22 02:39:20,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34756 states, 34751 states have (on average 1.3844205922131738) internal successors, (48110), 34755 states have internal predecessors, (48110), 0 states have call successors, (0), 0 states 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 02:39:20,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34756 states to 34756 states and 48110 transitions. [2024-11-22 02:39:20,851 INFO L78 Accepts]: Start accepts. Automaton has 34756 states and 48110 transitions. Word has length 157 [2024-11-22 02:39:20,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:20,851 INFO L471 AbstractCegarLoop]: Abstraction has 34756 states and 48110 transitions. [2024-11-22 02:39:20,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:20,851 INFO L276 IsEmpty]: Start isEmpty. Operand 34756 states and 48110 transitions. [2024-11-22 02:39:20,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-22 02:39:20,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:20,883 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:20,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 02:39:20,884 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:20,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:20,884 INFO L85 PathProgramCache]: Analyzing trace with hash -609898143, now seen corresponding path program 1 times [2024-11-22 02:39:20,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:20,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883958834] [2024-11-22 02:39:20,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:20,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:21,019 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 02:39:21,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:21,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883958834] [2024-11-22 02:39:21,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883958834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:21,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:21,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:39:21,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560586783] [2024-11-22 02:39:21,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:21,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:39:21,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:21,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:39:21,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:39:21,025 INFO L87 Difference]: Start difference. First operand 34756 states and 48110 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:21,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:21,346 INFO L93 Difference]: Finished difference Result 94073 states and 129645 transitions. [2024-11-22 02:39:21,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:39:21,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 157 [2024-11-22 02:39:21,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:21,461 INFO L225 Difference]: With dead ends: 94073 [2024-11-22 02:39:21,461 INFO L226 Difference]: Without dead ends: 60257 [2024-11-22 02:39:21,512 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 02:39:21,512 INFO L432 NwaCegarLoop]: 931 mSDtfsCounter, 448 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:21,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1422 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:39:21,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60257 states. [2024-11-22 02:39:22,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60257 to 60213. [2024-11-22 02:39:22,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60213 states, 60208 states have (on average 1.3570455753388253) internal successors, (81705), 60212 states have internal predecessors, (81705), 0 states have call successors, (0), 0 states 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 02:39:22,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60213 states to 60213 states and 81705 transitions. [2024-11-22 02:39:22,690 INFO L78 Accepts]: Start accepts. Automaton has 60213 states and 81705 transitions. Word has length 157 [2024-11-22 02:39:22,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:22,691 INFO L471 AbstractCegarLoop]: Abstraction has 60213 states and 81705 transitions. [2024-11-22 02:39:22,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:22,691 INFO L276 IsEmpty]: Start isEmpty. Operand 60213 states and 81705 transitions. [2024-11-22 02:39:22,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-22 02:39:22,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:22,743 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:22,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 02:39:22,743 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:22,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:22,744 INFO L85 PathProgramCache]: Analyzing trace with hash -31104540, now seen corresponding path program 1 times [2024-11-22 02:39:22,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:22,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219297965] [2024-11-22 02:39:22,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:22,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:23,203 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 02:39:23,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:23,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219297965] [2024-11-22 02:39:23,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219297965] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:23,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:23,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:39:23,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057697197] [2024-11-22 02:39:23,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:23,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:39:23,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:23,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:39:23,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:23,206 INFO L87 Difference]: Start difference. First operand 60213 states and 81705 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:23,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:23,848 INFO L93 Difference]: Finished difference Result 110896 states and 150684 transitions. [2024-11-22 02:39:23,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 02:39:23,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 157 [2024-11-22 02:39:23,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:23,930 INFO L225 Difference]: With dead ends: 110896 [2024-11-22 02:39:23,931 INFO L226 Difference]: Without dead ends: 51505 [2024-11-22 02:39:23,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:23,990 INFO L432 NwaCegarLoop]: 561 mSDtfsCounter, 13 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1644 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:23,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1644 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 02:39:24,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51505 states. [2024-11-22 02:39:24,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51505 to 51505. [2024-11-22 02:39:24,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51505 states, 51500 states have (on average 1.3583495145631068) internal successors, (69955), 51504 states have internal predecessors, (69955), 0 states have call successors, (0), 0 states 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 02:39:25,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51505 states to 51505 states and 69955 transitions. [2024-11-22 02:39:25,095 INFO L78 Accepts]: Start accepts. Automaton has 51505 states and 69955 transitions. Word has length 157 [2024-11-22 02:39:25,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:25,095 INFO L471 AbstractCegarLoop]: Abstraction has 51505 states and 69955 transitions. [2024-11-22 02:39:25,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:25,096 INFO L276 IsEmpty]: Start isEmpty. Operand 51505 states and 69955 transitions. [2024-11-22 02:39:25,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-22 02:39:25,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:25,142 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:25,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 02:39:25,143 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:25,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:25,144 INFO L85 PathProgramCache]: Analyzing trace with hash -941679734, now seen corresponding path program 1 times [2024-11-22 02:39:25,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:25,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173581059] [2024-11-22 02:39:25,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:25,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:25,780 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 02:39:25,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:25,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173581059] [2024-11-22 02:39:25,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173581059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:25,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:25,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-22 02:39:25,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712593637] [2024-11-22 02:39:25,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:25,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 02:39:25,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:25,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 02:39:25,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-22 02:39:25,784 INFO L87 Difference]: Start difference. First operand 51505 states and 69955 transitions. Second operand has 10 states, 10 states have (on average 16.3) internal successors, (163), 9 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:26,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:26,561 INFO L93 Difference]: Finished difference Result 96082 states and 130592 transitions. [2024-11-22 02:39:26,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:39:26,561 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.3) internal successors, (163), 9 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2024-11-22 02:39:26,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:26,653 INFO L225 Difference]: With dead ends: 96082 [2024-11-22 02:39:26,653 INFO L226 Difference]: Without dead ends: 51505 [2024-11-22 02:39:26,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-22 02:39:26,701 INFO L432 NwaCegarLoop]: 395 mSDtfsCounter, 3135 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3135 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:26,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3135 Valid, 681 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:39:26,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51505 states. [2024-11-22 02:39:27,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51505 to 51505. [2024-11-22 02:39:27,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51505 states, 51500 states have (on average 1.3406407766990291) internal successors, (69043), 51504 states have internal predecessors, (69043), 0 states have call successors, (0), 0 states 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 02:39:27,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51505 states to 51505 states and 69043 transitions. [2024-11-22 02:39:27,661 INFO L78 Accepts]: Start accepts. Automaton has 51505 states and 69043 transitions. Word has length 163 [2024-11-22 02:39:27,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:27,662 INFO L471 AbstractCegarLoop]: Abstraction has 51505 states and 69043 transitions. [2024-11-22 02:39:27,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.3) internal successors, (163), 9 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:27,662 INFO L276 IsEmpty]: Start isEmpty. Operand 51505 states and 69043 transitions. [2024-11-22 02:39:27,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-22 02:39:27,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:27,700 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:27,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 02:39:27,701 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:27,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:27,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1530284517, now seen corresponding path program 1 times [2024-11-22 02:39:27,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:27,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795507550] [2024-11-22 02:39:27,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:27,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:39:28,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:28,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795507550] [2024-11-22 02:39:28,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795507550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:28,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:28,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-22 02:39:28,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899883817] [2024-11-22 02:39:28,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:28,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 02:39:28,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:28,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 02:39:28,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-11-22 02:39:28,786 INFO L87 Difference]: Start difference. First operand 51505 states and 69043 transitions. Second operand has 15 states, 15 states have (on average 10.866666666666667) internal successors, (163), 15 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:30,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:30,544 INFO L93 Difference]: Finished difference Result 85730 states and 115775 transitions. [2024-11-22 02:39:30,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 02:39:30,545 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.866666666666667) internal successors, (163), 15 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2024-11-22 02:39:30,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:30,645 INFO L225 Difference]: With dead ends: 85730 [2024-11-22 02:39:30,645 INFO L226 Difference]: Without dead ends: 78140 [2024-11-22 02:39:30,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930 [2024-11-22 02:39:30,676 INFO L432 NwaCegarLoop]: 573 mSDtfsCounter, 3718 mSDsluCounter, 4572 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3718 SdHoareTripleChecker+Valid, 5145 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:30,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3718 Valid, 5145 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-22 02:39:30,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78140 states. [2024-11-22 02:39:31,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78140 to 57194. [2024-11-22 02:39:31,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57194 states, 57189 states have (on average 1.3228243193621152) internal successors, (75651), 57193 states have internal predecessors, (75651), 0 states have call successors, (0), 0 states 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 02:39:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57194 states to 57194 states and 75651 transitions. [2024-11-22 02:39:31,769 INFO L78 Accepts]: Start accepts. Automaton has 57194 states and 75651 transitions. Word has length 163 [2024-11-22 02:39:31,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:31,770 INFO L471 AbstractCegarLoop]: Abstraction has 57194 states and 75651 transitions. [2024-11-22 02:39:31,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.866666666666667) internal successors, (163), 15 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:31,770 INFO L276 IsEmpty]: Start isEmpty. Operand 57194 states and 75651 transitions. [2024-11-22 02:39:31,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-22 02:39:31,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:31,808 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:31,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-22 02:39:31,809 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:31,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:31,809 INFO L85 PathProgramCache]: Analyzing trace with hash 888809919, now seen corresponding path program 1 times [2024-11-22 02:39:31,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:31,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425318165] [2024-11-22 02:39:31,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:31,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:32,273 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 02:39:32,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:32,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425318165] [2024-11-22 02:39:32,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425318165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:32,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:32,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 02:39:32,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901464690] [2024-11-22 02:39:32,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:32,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 02:39:32,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:32,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 02:39:32,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-22 02:39:32,276 INFO L87 Difference]: Start difference. First operand 57194 states and 75651 transitions. Second operand has 8 states, 8 states have (on average 20.375) internal successors, (163), 8 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:32,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:32,652 INFO L93 Difference]: Finished difference Result 80338 states and 110636 transitions. [2024-11-22 02:39:32,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 02:39:32,653 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.375) internal successors, (163), 8 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2024-11-22 02:39:32,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:33,199 INFO L225 Difference]: With dead ends: 80338 [2024-11-22 02:39:33,200 INFO L226 Difference]: Without dead ends: 57196 [2024-11-22 02:39:33,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-22 02:39:33,237 INFO L432 NwaCegarLoop]: 703 mSDtfsCounter, 1436 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1436 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:33,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1436 Valid, 1309 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:39:33,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57196 states. [2024-11-22 02:39:33,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57196 to 57194. [2024-11-22 02:39:33,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57194 states, 57189 states have (on average 1.3169490636311179) internal successors, (75315), 57193 states have internal predecessors, (75315), 0 states have call successors, (0), 0 states 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 02:39:33,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57194 states to 57194 states and 75315 transitions. [2024-11-22 02:39:33,925 INFO L78 Accepts]: Start accepts. Automaton has 57194 states and 75315 transitions. Word has length 163 [2024-11-22 02:39:33,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:33,926 INFO L471 AbstractCegarLoop]: Abstraction has 57194 states and 75315 transitions. [2024-11-22 02:39:33,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.375) internal successors, (163), 8 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:33,926 INFO L276 IsEmpty]: Start isEmpty. Operand 57194 states and 75315 transitions. [2024-11-22 02:39:33,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-22 02:39:33,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:33,959 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:33,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-22 02:39:33,960 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:33,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:33,960 INFO L85 PathProgramCache]: Analyzing trace with hash 292054911, now seen corresponding path program 1 times [2024-11-22 02:39:33,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:33,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424326428] [2024-11-22 02:39:33,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:33,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:34,584 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 02:39:34,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:34,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424326428] [2024-11-22 02:39:34,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424326428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:34,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:34,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:39:34,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77461744] [2024-11-22 02:39:34,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:34,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:39:34,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:34,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:39:34,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:34,587 INFO L87 Difference]: Start difference. First operand 57194 states and 75315 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:34,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:34,867 INFO L93 Difference]: Finished difference Result 92671 states and 121935 transitions. [2024-11-22 02:39:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:39:34,867 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 163 [2024-11-22 02:39:34,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:34,948 INFO L225 Difference]: With dead ends: 92671 [2024-11-22 02:39:34,949 INFO L226 Difference]: Without dead ends: 50951 [2024-11-22 02:39:34,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:39:34,995 INFO L432 NwaCegarLoop]: 560 mSDtfsCounter, 456 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 1547 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:34,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 1547 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:39:35,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50951 states. [2024-11-22 02:39:35,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50951 to 50827. [2024-11-22 02:39:35,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50827 states, 50822 states have (on average 1.312325370902365) internal successors, (66695), 50826 states have internal predecessors, (66695), 0 states have call successors, (0), 0 states 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 02:39:35,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50827 states to 50827 states and 66695 transitions. [2024-11-22 02:39:35,933 INFO L78 Accepts]: Start accepts. Automaton has 50827 states and 66695 transitions. Word has length 163 [2024-11-22 02:39:35,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:35,934 INFO L471 AbstractCegarLoop]: Abstraction has 50827 states and 66695 transitions. [2024-11-22 02:39:35,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:35,934 INFO L276 IsEmpty]: Start isEmpty. Operand 50827 states and 66695 transitions. [2024-11-22 02:39:35,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-22 02:39:35,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:35,963 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:35,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-22 02:39:35,963 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:35,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:35,964 INFO L85 PathProgramCache]: Analyzing trace with hash 652438755, now seen corresponding path program 1 times [2024-11-22 02:39:35,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:35,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956977165] [2024-11-22 02:39:35,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:35,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:36,991 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 02:39:36,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:36,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956977165] [2024-11-22 02:39:36,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956977165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:36,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:36,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-22 02:39:36,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490515330] [2024-11-22 02:39:36,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:36,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 02:39:36,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:36,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 02:39:36,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2024-11-22 02:39:36,995 INFO L87 Difference]: Start difference. First operand 50827 states and 66695 transitions. Second operand has 16 states, 16 states have (on average 10.3125) internal successors, (165), 16 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:40,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:40,069 INFO L93 Difference]: Finished difference Result 110794 states and 151943 transitions. [2024-11-22 02:39:40,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-22 02:39:40,070 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.3125) internal successors, (165), 16 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 165 [2024-11-22 02:39:40,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:40,207 INFO L225 Difference]: With dead ends: 110794 [2024-11-22 02:39:40,208 INFO L226 Difference]: Without dead ends: 101520 [2024-11-22 02:39:40,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=468, Invalid=1424, Unknown=0, NotChecked=0, Total=1892 [2024-11-22 02:39:40,252 INFO L432 NwaCegarLoop]: 865 mSDtfsCounter, 4342 mSDsluCounter, 7063 mSDsCounter, 0 mSdLazyCounter, 2015 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4342 SdHoareTripleChecker+Valid, 7928 SdHoareTripleChecker+Invalid, 2147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 2015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:40,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4342 Valid, 7928 Invalid, 2147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 2015 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-22 02:39:40,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101520 states. [2024-11-22 02:39:41,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101520 to 57066. [2024-11-22 02:39:41,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57066 states, 57061 states have (on average 1.3014318010550112) internal successors, (74261), 57065 states have internal predecessors, (74261), 0 states have call successors, (0), 0 states 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 02:39:41,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57066 states to 57066 states and 74261 transitions. [2024-11-22 02:39:41,576 INFO L78 Accepts]: Start accepts. Automaton has 57066 states and 74261 transitions. Word has length 165 [2024-11-22 02:39:41,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:41,576 INFO L471 AbstractCegarLoop]: Abstraction has 57066 states and 74261 transitions. [2024-11-22 02:39:41,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.3125) internal successors, (165), 16 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:41,577 INFO L276 IsEmpty]: Start isEmpty. Operand 57066 states and 74261 transitions. [2024-11-22 02:39:41,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-22 02:39:41,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:41,610 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:41,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-22 02:39:41,610 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:41,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:41,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1711717342, now seen corresponding path program 1 times [2024-11-22 02:39:41,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:41,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333590058] [2024-11-22 02:39:41,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:41,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:42,286 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 02:39:42,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:42,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333590058] [2024-11-22 02:39:42,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333590058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:42,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:42,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:39:42,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500806923] [2024-11-22 02:39:42,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:42,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:39:42,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:42,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:39:42,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:42,289 INFO L87 Difference]: Start difference. First operand 57066 states and 74261 transitions. Second operand has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:42,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:42,643 INFO L93 Difference]: Finished difference Result 120286 states and 156590 transitions. [2024-11-22 02:39:42,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 02:39:42,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 165 [2024-11-22 02:39:42,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:42,758 INFO L225 Difference]: With dead ends: 120286 [2024-11-22 02:39:42,759 INFO L226 Difference]: Without dead ends: 78801 [2024-11-22 02:39:42,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:42,813 INFO L432 NwaCegarLoop]: 880 mSDtfsCounter, 990 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 990 SdHoareTripleChecker+Valid, 1797 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:42,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [990 Valid, 1797 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:39:42,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78801 states. [2024-11-22 02:39:43,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78801 to 57255. [2024-11-22 02:39:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57255 states, 57250 states have (on average 1.300995633187773) internal successors, (74482), 57254 states have internal predecessors, (74482), 0 states have call successors, (0), 0 states 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 02:39:43,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57255 states to 57255 states and 74482 transitions. [2024-11-22 02:39:43,828 INFO L78 Accepts]: Start accepts. Automaton has 57255 states and 74482 transitions. Word has length 165 [2024-11-22 02:39:43,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:43,828 INFO L471 AbstractCegarLoop]: Abstraction has 57255 states and 74482 transitions. [2024-11-22 02:39:43,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 4 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:43,829 INFO L276 IsEmpty]: Start isEmpty. Operand 57255 states and 74482 transitions. [2024-11-22 02:39:43,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-22 02:39:43,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:43,860 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:43,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-22 02:39:43,861 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:43,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:43,861 INFO L85 PathProgramCache]: Analyzing trace with hash 193280334, now seen corresponding path program 1 times [2024-11-22 02:39:43,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:43,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028442827] [2024-11-22 02:39:43,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:43,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:43,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:39:43,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:43,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028442827] [2024-11-22 02:39:43,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028442827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:43,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:43,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:39:43,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689149746] [2024-11-22 02:39:43,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:43,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:39:43,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:43,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:39:43,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:39:43,936 INFO L87 Difference]: Start difference. First operand 57255 states and 74482 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:44,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:44,208 INFO L93 Difference]: Finished difference Result 113888 states and 148248 transitions. [2024-11-22 02:39:44,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:39:44,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2024-11-22 02:39:44,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:44,281 INFO L225 Difference]: With dead ends: 113888 [2024-11-22 02:39:44,282 INFO L226 Difference]: Without dead ends: 57271 [2024-11-22 02:39:44,328 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 02:39:44,329 INFO L432 NwaCegarLoop]: 524 mSDtfsCounter, 0 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:44,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1042 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:39:44,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57271 states. [2024-11-22 02:39:45,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57271 to 57271. [2024-11-22 02:39:45,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57271 states, 57266 states have (on average 1.3009115356406944) internal successors, (74498), 57270 states have internal predecessors, (74498), 0 states have call successors, (0), 0 states 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 02:39:45,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57271 states to 57271 states and 74498 transitions. [2024-11-22 02:39:45,576 INFO L78 Accepts]: Start accepts. Automaton has 57271 states and 74498 transitions. Word has length 166 [2024-11-22 02:39:45,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:45,576 INFO L471 AbstractCegarLoop]: Abstraction has 57271 states and 74498 transitions. [2024-11-22 02:39:45,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:45,576 INFO L276 IsEmpty]: Start isEmpty. Operand 57271 states and 74498 transitions. [2024-11-22 02:39:45,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-22 02:39:45,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:45,620 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:45,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-22 02:39:45,621 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:45,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:45,622 INFO L85 PathProgramCache]: Analyzing trace with hash -126278232, now seen corresponding path program 1 times [2024-11-22 02:39:45,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:45,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613911975] [2024-11-22 02:39:45,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:45,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:47,013 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 02:39:47,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:47,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613911975] [2024-11-22 02:39:47,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613911975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:47,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:47,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-22 02:39:47,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971096039] [2024-11-22 02:39:47,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:47,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 02:39:47,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:47,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 02:39:47,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-22 02:39:47,015 INFO L87 Difference]: Start difference. First operand 57271 states and 74498 transitions. Second operand has 16 states, 16 states have (on average 10.4375) internal successors, (167), 16 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:48,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:48,114 INFO L93 Difference]: Finished difference Result 74074 states and 97486 transitions. [2024-11-22 02:39:48,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-22 02:39:48,115 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.4375) internal successors, (167), 16 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 167 [2024-11-22 02:39:48,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:48,188 INFO L225 Difference]: With dead ends: 74074 [2024-11-22 02:39:48,189 INFO L226 Difference]: Without dead ends: 66440 [2024-11-22 02:39:48,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=277, Invalid=779, Unknown=0, NotChecked=0, Total=1056 [2024-11-22 02:39:48,217 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 5533 mSDsluCounter, 4854 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5533 SdHoareTripleChecker+Valid, 5359 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:48,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5533 Valid, 5359 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 02:39:48,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66440 states. [2024-11-22 02:39:48,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66440 to 60194. [2024-11-22 02:39:49,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60194 states, 60189 states have (on average 1.293757995647045) internal successors, (77870), 60193 states have internal predecessors, (77870), 0 states have call successors, (0), 0 states 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 02:39:49,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60194 states to 60194 states and 77870 transitions. [2024-11-22 02:39:49,097 INFO L78 Accepts]: Start accepts. Automaton has 60194 states and 77870 transitions. Word has length 167 [2024-11-22 02:39:49,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:49,097 INFO L471 AbstractCegarLoop]: Abstraction has 60194 states and 77870 transitions. [2024-11-22 02:39:49,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.4375) internal successors, (167), 16 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:49,097 INFO L276 IsEmpty]: Start isEmpty. Operand 60194 states and 77870 transitions. [2024-11-22 02:39:49,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-22 02:39:49,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:49,131 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:49,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-22 02:39:49,131 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:49,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:49,132 INFO L85 PathProgramCache]: Analyzing trace with hash -625080728, now seen corresponding path program 1 times [2024-11-22 02:39:49,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:49,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993099123] [2024-11-22 02:39:49,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:49,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:49,422 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 02:39:49,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:49,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993099123] [2024-11-22 02:39:49,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993099123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:49,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:49,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:39:49,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109240551] [2024-11-22 02:39:49,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:49,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:39:49,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:49,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:39:49,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:49,424 INFO L87 Difference]: Start difference. First operand 60194 states and 77870 transitions. Second operand has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:49,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:49,723 INFO L93 Difference]: Finished difference Result 106527 states and 137634 transitions. [2024-11-22 02:39:49,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 02:39:49,724 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 167 [2024-11-22 02:39:49,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:49,817 INFO L225 Difference]: With dead ends: 106527 [2024-11-22 02:39:49,817 INFO L226 Difference]: Without dead ends: 61264 [2024-11-22 02:39:49,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:49,864 INFO L432 NwaCegarLoop]: 889 mSDtfsCounter, 890 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:49,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [890 Valid, 1355 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:39:49,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61264 states. [2024-11-22 02:39:50,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61264 to 60661. [2024-11-22 02:39:50,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60661 states, 60656 states have (on average 1.2927163017673438) internal successors, (78411), 60660 states have internal predecessors, (78411), 0 states have call successors, (0), 0 states 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 02:39:50,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60661 states to 60661 states and 78411 transitions. [2024-11-22 02:39:50,843 INFO L78 Accepts]: Start accepts. Automaton has 60661 states and 78411 transitions. Word has length 167 [2024-11-22 02:39:50,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:50,843 INFO L471 AbstractCegarLoop]: Abstraction has 60661 states and 78411 transitions. [2024-11-22 02:39:50,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:50,843 INFO L276 IsEmpty]: Start isEmpty. Operand 60661 states and 78411 transitions. [2024-11-22 02:39:50,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-22 02:39:50,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:50,879 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:50,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-22 02:39:50,879 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:50,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:50,880 INFO L85 PathProgramCache]: Analyzing trace with hash -726741763, now seen corresponding path program 1 times [2024-11-22 02:39:50,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:50,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040453488] [2024-11-22 02:39:50,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:50,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:51,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:39:51,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:51,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040453488] [2024-11-22 02:39:51,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040453488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:51,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:51,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:39:51,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281049608] [2024-11-22 02:39:51,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:51,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 02:39:51,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:51,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 02:39:51,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:51,569 INFO L87 Difference]: Start difference. First operand 60661 states and 78411 transitions. Second operand has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:51,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:51,903 INFO L93 Difference]: Finished difference Result 112492 states and 145480 transitions. [2024-11-22 02:39:51,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 02:39:51,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 167 [2024-11-22 02:39:51,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:51,984 INFO L225 Difference]: With dead ends: 112492 [2024-11-22 02:39:51,984 INFO L226 Difference]: Without dead ends: 52179 [2024-11-22 02:39:52,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 02:39:52,036 INFO L432 NwaCegarLoop]: 543 mSDtfsCounter, 4 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1600 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 02:39:52,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1600 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:39:52,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52179 states. [2024-11-22 02:39:52,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52179 to 52179. [2024-11-22 02:39:52,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52179 states, 52174 states have (on average 1.2933261777897036) internal successors, (67478), 52178 states have internal predecessors, (67478), 0 states have call successors, (0), 0 states 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 02:39:52,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52179 states to 52179 states and 67478 transitions. [2024-11-22 02:39:52,725 INFO L78 Accepts]: Start accepts. Automaton has 52179 states and 67478 transitions. Word has length 167 [2024-11-22 02:39:52,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:52,725 INFO L471 AbstractCegarLoop]: Abstraction has 52179 states and 67478 transitions. [2024-11-22 02:39:52,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 02:39:52,725 INFO L276 IsEmpty]: Start isEmpty. Operand 52179 states and 67478 transitions. [2024-11-22 02:39:53,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-22 02:39:53,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:53,130 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:39:53,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-22 02:39:53,130 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:53,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:53,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1679476573, now seen corresponding path program 1 times [2024-11-22 02:39:53,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:53,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532836983] [2024-11-22 02:39:53,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:53,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:53,231 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 02:39:53,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:53,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532836983] [2024-11-22 02:39:53,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532836983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:53,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:53,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:39:53,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091085223] [2024-11-22 02:39:53,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:53,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:39:53,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:53,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:39:53,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:39:53,234 INFO L87 Difference]: Start difference. First operand 52179 states and 67478 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states 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 02:39:53,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:53,450 INFO L93 Difference]: Finished difference Result 113406 states and 146709 transitions. [2024-11-22 02:39:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:39:53,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 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 168 [2024-11-22 02:39:53,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:53,526 INFO L225 Difference]: With dead ends: 113406 [2024-11-22 02:39:53,526 INFO L226 Difference]: Without dead ends: 75583 [2024-11-22 02:39:53,565 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 02:39:53,565 INFO L432 NwaCegarLoop]: 920 mSDtfsCounter, 476 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 1436 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:53,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 1436 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:39:53,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75583 states. [2024-11-22 02:39:54,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75583 to 52182. [2024-11-22 02:39:54,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52182 states, 52177 states have (on average 1.293194319336106) internal successors, (67475), 52181 states have internal predecessors, (67475), 0 states have call successors, (0), 0 states 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 02:39:54,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52182 states to 52182 states and 67475 transitions. [2024-11-22 02:39:54,630 INFO L78 Accepts]: Start accepts. Automaton has 52182 states and 67475 transitions. Word has length 168 [2024-11-22 02:39:54,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:54,631 INFO L471 AbstractCegarLoop]: Abstraction has 52182 states and 67475 transitions. [2024-11-22 02:39:54,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states 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 02:39:54,631 INFO L276 IsEmpty]: Start isEmpty. Operand 52182 states and 67475 transitions. [2024-11-22 02:39:54,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-22 02:39:54,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:54,663 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:54,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-22 02:39:54,664 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:54,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:54,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1505524721, now seen corresponding path program 1 times [2024-11-22 02:39:54,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:54,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821254269] [2024-11-22 02:39:54,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:54,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:54,779 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 02:39:54,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:54,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821254269] [2024-11-22 02:39:54,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821254269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:54,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:54,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:39:54,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261799031] [2024-11-22 02:39:54,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:54,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:39:54,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:54,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:39:54,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:39:54,782 INFO L87 Difference]: Start difference. First operand 52182 states and 67475 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states 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 02:39:55,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:39:55,216 INFO L93 Difference]: Finished difference Result 127619 states and 167259 transitions. [2024-11-22 02:39:55,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:39:55,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2024-11-22 02:39:55,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:39:55,312 INFO L225 Difference]: With dead ends: 127619 [2024-11-22 02:39:55,312 INFO L226 Difference]: Without dead ends: 92782 [2024-11-22 02:39:55,355 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 02:39:55,355 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 334 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 02:39:55,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 953 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 02:39:55,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92782 states. [2024-11-22 02:39:56,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92782 to 92731. [2024-11-22 02:39:56,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92731 states, 92726 states have (on average 1.2917089058085112) internal successors, (119775), 92730 states have internal predecessors, (119775), 0 states have call successors, (0), 0 states 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 02:39:56,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92731 states to 92731 states and 119775 transitions. [2024-11-22 02:39:56,774 INFO L78 Accepts]: Start accepts. Automaton has 92731 states and 119775 transitions. Word has length 169 [2024-11-22 02:39:56,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:39:56,775 INFO L471 AbstractCegarLoop]: Abstraction has 92731 states and 119775 transitions. [2024-11-22 02:39:56,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states 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 02:39:56,775 INFO L276 IsEmpty]: Start isEmpty. Operand 92731 states and 119775 transitions. [2024-11-22 02:39:56,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-22 02:39:56,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:39:56,832 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:39:56,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-22 02:39:56,832 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:39:56,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:39:56,833 INFO L85 PathProgramCache]: Analyzing trace with hash -841245238, now seen corresponding path program 1 times [2024-11-22 02:39:56,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:39:56,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243870767] [2024-11-22 02:39:56,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:39:56,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:39:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:39:58,606 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 02:39:58,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:39:58,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243870767] [2024-11-22 02:39:58,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243870767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:39:58,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:39:58,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-22 02:39:58,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024869559] [2024-11-22 02:39:58,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:39:58,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-22 02:39:58,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:39:58,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-22 02:39:58,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2024-11-22 02:39:58,609 INFO L87 Difference]: Start difference. First operand 92731 states and 119775 transitions. Second operand has 19 states, 19 states have (on average 8.894736842105264) internal successors, (169), 19 states have internal predecessors, (169), 0 states have call successors, (0), 0 states 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 02:40:01,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:40:01,140 INFO L93 Difference]: Finished difference Result 240291 states and 323308 transitions. [2024-11-22 02:40:01,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-22 02:40:01,141 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.894736842105264) internal successors, (169), 19 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2024-11-22 02:40:01,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:40:01,508 INFO L225 Difference]: With dead ends: 240291 [2024-11-22 02:40:01,508 INFO L226 Difference]: Without dead ends: 236907 [2024-11-22 02:40:01,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=433, Invalid=1729, Unknown=0, NotChecked=0, Total=2162 [2024-11-22 02:40:01,569 INFO L432 NwaCegarLoop]: 965 mSDtfsCounter, 5631 mSDsluCounter, 10773 mSDsCounter, 0 mSdLazyCounter, 2403 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5631 SdHoareTripleChecker+Valid, 11738 SdHoareTripleChecker+Invalid, 2482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 2403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:40:01,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5631 Valid, 11738 Invalid, 2482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 2403 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-22 02:40:01,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236907 states. [2024-11-22 02:40:04,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236907 to 110069. [2024-11-22 02:40:04,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110069 states, 110064 states have (on average 1.2715692687890683) internal successors, (139954), 110068 states have internal predecessors, (139954), 0 states have call successors, (0), 0 states 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 02:40:04,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110069 states to 110069 states and 139954 transitions. [2024-11-22 02:40:04,486 INFO L78 Accepts]: Start accepts. Automaton has 110069 states and 139954 transitions. Word has length 169 [2024-11-22 02:40:04,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:40:04,487 INFO L471 AbstractCegarLoop]: Abstraction has 110069 states and 139954 transitions. [2024-11-22 02:40:04,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.894736842105264) internal successors, (169), 19 states have internal predecessors, (169), 0 states have call successors, (0), 0 states 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 02:40:04,487 INFO L276 IsEmpty]: Start isEmpty. Operand 110069 states and 139954 transitions. [2024-11-22 02:40:04,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-22 02:40:04,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:40:04,974 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:40:04,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-22 02:40:04,974 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-11-22 02:40:04,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:40:04,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1047890421, now seen corresponding path program 1 times [2024-11-22 02:40:04,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:40:04,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041129959] [2024-11-22 02:40:04,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:40:04,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:40:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:40:05,204 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 02:40:05,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:40:05,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041129959] [2024-11-22 02:40:05,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041129959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:40:05,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:40:05,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:40:05,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035464749] [2024-11-22 02:40:05,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:40:05,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:40:05,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:40:05,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:40:05,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:40:05,207 INFO L87 Difference]: Start difference. First operand 110069 states and 139954 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states 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 02:40:05,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:40:05,662 INFO L93 Difference]: Finished difference Result 134005 states and 175223 transitions. [2024-11-22 02:40:05,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:40:05,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 169 [2024-11-22 02:40:05,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:40:05,799 INFO L225 Difference]: With dead ends: 134005 [2024-11-22 02:40:05,799 INFO L226 Difference]: Without dead ends: 110071 [2024-11-22 02:40:05,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:40:05,844 INFO L432 NwaCegarLoop]: 639 mSDtfsCounter, 270 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 983 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:40:05,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 983 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:40:05,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110071 states. [2024-11-22 02:40:07,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110071 to 109597. [2024-11-22 02:40:07,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109597 states, 109592 states have (on average 1.267775020074458) internal successors, (138938), 109596 states have internal predecessors, (138938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)