./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-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 7853b3826176a0fe575c35877885ca2c640283bf6a2200e21b7819452b726d2c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 01:42:43,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 01:42:44,056 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 01:42:44,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 01:42:44,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 01:42:44,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 01:42:44,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 01:42:44,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 01:42:44,079 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 01:42:44,080 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 01:42:44,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 01:42:44,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 01:42:44,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 01:42:44,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 01:42:44,084 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 01:42:44,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 01:42:44,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 01:42:44,084 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 01:42:44,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 01:42:44,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 01:42:44,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 01:42:44,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 01:42:44,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 01:42:44,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 01:42:44,085 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 01:42:44,085 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 01:42:44,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 01:42:44,086 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 01:42:44,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 01:42:44,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 01:42:44,086 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 01:42:44,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 01:42:44,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 01:42:44,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 01:42:44,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 01:42:44,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 01:42:44,087 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 01:42:44,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 01:42:44,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 01:42:44,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 01:42:44,089 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 01:42:44,090 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 01:42:44,090 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7853b3826176a0fe575c35877885ca2c640283bf6a2200e21b7819452b726d2c [2024-10-24 01:42:44,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 01:42:44,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 01:42:44,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 01:42:44,285 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 01:42:44,285 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 01:42:44,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-10-24 01:42:45,494 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 01:42:45,793 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 01:42:45,793 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-10-24 01:42:45,821 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bae95f4dd/21295fea86f94db89c85839cf4d25ca9/FLAG9b38d29ba [2024-10-24 01:42:45,835 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bae95f4dd/21295fea86f94db89c85839cf4d25ca9 [2024-10-24 01:42:45,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 01:42:45,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 01:42:45,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 01:42:45,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 01:42:45,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 01:42:45,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:42:45" (1/1) ... [2024-10-24 01:42:45,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3beaa244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:42:45, skipping insertion in model container [2024-10-24 01:42:45,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:42:45" (1/1) ... [2024-10-24 01:42:45,976 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 01:42:46,315 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[28933,28946] [2024-10-24 01:42:46,388 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[50969,50982] [2024-10-24 01:42:46,409 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58695,58708] [2024-10-24 01:42:46,457 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[83802,83815] [2024-10-24 01:42:46,486 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98975,98988] [2024-10-24 01:42:46,517 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[115686,115699] [2024-10-24 01:42:46,558 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132053,132066] [2024-10-24 01:42:46,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 01:42:46,705 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 01:42:46,760 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[28933,28946] [2024-10-24 01:42:46,785 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[50969,50982] [2024-10-24 01:42:46,794 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58695,58708] [2024-10-24 01:42:46,820 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[83802,83815] [2024-10-24 01:42:46,836 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98975,98988] [2024-10-24 01:42:46,852 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[115686,115699] [2024-10-24 01:42:46,869 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132053,132066] [2024-10-24 01:42:46,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 01:42:46,993 INFO L204 MainTranslator]: Completed translation [2024-10-24 01:42:46,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:42:46 WrapperNode [2024-10-24 01:42:46,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 01:42:46,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 01:42:46,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 01:42:46,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 01:42:47,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:42:46" (1/1) ... [2024-10-24 01:42:47,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:42:46" (1/1) ... [2024-10-24 01:42:47,150 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 9849 [2024-10-24 01:42:47,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 01:42:47,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 01:42:47,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 01:42:47,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 01:42:47,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:42:46" (1/1) ... [2024-10-24 01:42:47,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:42:46" (1/1) ... [2024-10-24 01:42:47,179 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:42:46" (1/1) ... [2024-10-24 01:42:47,241 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 01:42:47,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:42:46" (1/1) ... [2024-10-24 01:42:47,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:42:46" (1/1) ... [2024-10-24 01:42:47,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:42:46" (1/1) ... [2024-10-24 01:42:47,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:42:46" (1/1) ... [2024-10-24 01:42:47,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:42:46" (1/1) ... [2024-10-24 01:42:47,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:42:46" (1/1) ... [2024-10-24 01:42:47,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 01:42:47,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 01:42:47,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 01:42:47,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 01:42:47,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:42:46" (1/1) ... [2024-10-24 01:42:47,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 01:42:47,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 01:42:47,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 01:42:47,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 01:42:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 01:42:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 01:42:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 01:42:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 01:42:47,733 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 01:42:47,735 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 01:42:50,974 INFO L? ?]: Removed 1723 outVars from TransFormulas that were not future-live. [2024-10-24 01:42:50,974 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 01:42:51,039 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 01:42:51,040 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 01:42:51,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:42:51 BoogieIcfgContainer [2024-10-24 01:42:51,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 01:42:51,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 01:42:51,042 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 01:42:51,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 01:42:51,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:42:45" (1/3) ... [2024-10-24 01:42:51,044 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f4f069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:42:51, skipping insertion in model container [2024-10-24 01:42:51,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:42:46" (2/3) ... [2024-10-24 01:42:51,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f4f069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:42:51, skipping insertion in model container [2024-10-24 01:42:51,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:42:51" (3/3) ... [2024-10-24 01:42:51,046 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-10-24 01:42:51,058 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 01:42:51,058 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2024-10-24 01:42:51,140 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 01:42:51,145 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;@65f9889e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 01:42:51,146 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-24 01:42:51,161 INFO L276 IsEmpty]: Start isEmpty. Operand has 2027 states, 2019 states have (on average 1.799405646359584) internal successors, (3633), 2026 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:51,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-24 01:42:51,187 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:51,188 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] [2024-10-24 01:42:51,189 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:51,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:51,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1031762117, now seen corresponding path program 1 times [2024-10-24 01:42:51,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:51,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454038132] [2024-10-24 01:42:51,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:51,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:51,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:51,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454038132] [2024-10-24 01:42:51,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454038132] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:51,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:51,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:42:51,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122746465] [2024-10-24 01:42:51,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:51,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:42:51,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:51,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:42:51,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:42:51,704 INFO L87 Difference]: Start difference. First operand has 2027 states, 2019 states have (on average 1.799405646359584) internal successors, (3633), 2026 states have internal predecessors, (3633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:53,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:53,251 INFO L93 Difference]: Finished difference Result 3323 states and 5848 transitions. [2024-10-24 01:42:53,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:42:53,256 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2024-10-24 01:42:53,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:53,275 INFO L225 Difference]: With dead ends: 3323 [2024-10-24 01:42:53,276 INFO L226 Difference]: Without dead ends: 2130 [2024-10-24 01:42:53,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:42:53,282 INFO L432 NwaCegarLoop]: 1679 mSDtfsCounter, 10321 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 1619 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10321 SdHoareTripleChecker+Valid, 2189 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:53,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10321 Valid, 2189 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1619 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 01:42:53,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2024-10-24 01:42:53,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 2117. [2024-10-24 01:42:53,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2117 states, 2110 states have (on average 1.3483412322274881) internal successors, (2845), 2116 states have internal predecessors, (2845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:53,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 2117 states and 2845 transitions. [2024-10-24 01:42:53,371 INFO L78 Accepts]: Start accepts. Automaton has 2117 states and 2845 transitions. Word has length 63 [2024-10-24 01:42:53,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:53,372 INFO L471 AbstractCegarLoop]: Abstraction has 2117 states and 2845 transitions. [2024-10-24 01:42:53,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:53,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 2845 transitions. [2024-10-24 01:42:53,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-24 01:42:53,375 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:53,375 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] [2024-10-24 01:42:53,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 01:42:53,376 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:53,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:53,376 INFO L85 PathProgramCache]: Analyzing trace with hash 505276640, now seen corresponding path program 1 times [2024-10-24 01:42:53,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:53,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201093472] [2024-10-24 01:42:53,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:53,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:53,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:53,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:53,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201093472] [2024-10-24 01:42:53,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201093472] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:53,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:53,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:42:53,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805327004] [2024-10-24 01:42:53,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:53,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:42:53,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:53,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:42:53,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:42:53,522 INFO L87 Difference]: Start difference. First operand 2117 states and 2845 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:54,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:54,817 INFO L93 Difference]: Finished difference Result 4336 states and 5920 transitions. [2024-10-24 01:42:54,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:42:54,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2024-10-24 01:42:54,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:54,825 INFO L225 Difference]: With dead ends: 4336 [2024-10-24 01:42:54,825 INFO L226 Difference]: Without dead ends: 2922 [2024-10-24 01:42:54,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:42:54,828 INFO L432 NwaCegarLoop]: 1071 mSDtfsCounter, 8048 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8048 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 1590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:54,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8048 Valid, 1458 Invalid, 1590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1550 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 01:42:54,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states. [2024-10-24 01:42:54,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2916. [2024-10-24 01:42:54,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2916 states, 2909 states have (on average 1.3547610862839463) internal successors, (3941), 2915 states have internal predecessors, (3941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:54,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 3941 transitions. [2024-10-24 01:42:54,945 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 3941 transitions. Word has length 64 [2024-10-24 01:42:54,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:54,946 INFO L471 AbstractCegarLoop]: Abstraction has 2916 states and 3941 transitions. [2024-10-24 01:42:54,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:54,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 3941 transitions. [2024-10-24 01:42:54,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-24 01:42:54,952 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:54,952 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] [2024-10-24 01:42:54,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 01:42:54,953 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:54,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:54,957 INFO L85 PathProgramCache]: Analyzing trace with hash 285379470, now seen corresponding path program 1 times [2024-10-24 01:42:54,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:54,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948458385] [2024-10-24 01:42:54,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:54,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:55,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:55,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948458385] [2024-10-24 01:42:55,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948458385] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:55,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:55,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:42:55,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620028329] [2024-10-24 01:42:55,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:55,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:42:55,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:55,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:42:55,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:42:55,121 INFO L87 Difference]: Start difference. First operand 2916 states and 3941 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:56,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:56,321 INFO L93 Difference]: Finished difference Result 6143 states and 8390 transitions. [2024-10-24 01:42:56,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:42:56,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2024-10-24 01:42:56,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:56,331 INFO L225 Difference]: With dead ends: 6143 [2024-10-24 01:42:56,334 INFO L226 Difference]: Without dead ends: 4032 [2024-10-24 01:42:56,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:42:56,339 INFO L432 NwaCegarLoop]: 1034 mSDtfsCounter, 7612 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 1416 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7612 SdHoareTripleChecker+Valid, 1432 SdHoareTripleChecker+Invalid, 1477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:56,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7612 Valid, 1432 Invalid, 1477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1416 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 01:42:56,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4032 states. [2024-10-24 01:42:56,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4032 to 4018. [2024-10-24 01:42:56,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4018 states, 4011 states have (on average 1.350536025928696) internal successors, (5417), 4017 states have internal predecessors, (5417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:56,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4018 states to 4018 states and 5417 transitions. [2024-10-24 01:42:56,397 INFO L78 Accepts]: Start accepts. Automaton has 4018 states and 5417 transitions. Word has length 64 [2024-10-24 01:42:56,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:56,397 INFO L471 AbstractCegarLoop]: Abstraction has 4018 states and 5417 transitions. [2024-10-24 01:42:56,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:56,397 INFO L276 IsEmpty]: Start isEmpty. Operand 4018 states and 5417 transitions. [2024-10-24 01:42:56,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-24 01:42:56,401 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:56,401 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] [2024-10-24 01:42:56,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 01:42:56,401 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:56,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:56,402 INFO L85 PathProgramCache]: Analyzing trace with hash -874930976, now seen corresponding path program 1 times [2024-10-24 01:42:56,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:56,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688491888] [2024-10-24 01:42:56,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:56,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:56,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:56,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:56,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688491888] [2024-10-24 01:42:56,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688491888] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:56,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:56,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:42:56,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348200450] [2024-10-24 01:42:56,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:56,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:42:56,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:56,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:42:56,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:42:56,715 INFO L87 Difference]: Start difference. First operand 4018 states and 5417 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:58,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:42:58,691 INFO L93 Difference]: Finished difference Result 4766 states and 6472 transitions. [2024-10-24 01:42:58,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:42:58,691 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2024-10-24 01:42:58,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:42:58,703 INFO L225 Difference]: With dead ends: 4766 [2024-10-24 01:42:58,703 INFO L226 Difference]: Without dead ends: 4761 [2024-10-24 01:42:58,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:42:58,706 INFO L432 NwaCegarLoop]: 1088 mSDtfsCounter, 6786 mSDsluCounter, 4179 mSDsCounter, 0 mSdLazyCounter, 5080 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6786 SdHoareTripleChecker+Valid, 5267 SdHoareTripleChecker+Invalid, 5104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 5080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 01:42:58,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6786 Valid, 5267 Invalid, 5104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 5080 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 01:42:58,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4761 states. [2024-10-24 01:42:58,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4761 to 4018. [2024-10-24 01:42:58,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4018 states, 4011 states have (on average 1.350286711543256) internal successors, (5416), 4017 states have internal predecessors, (5416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:58,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4018 states to 4018 states and 5416 transitions. [2024-10-24 01:42:58,769 INFO L78 Accepts]: Start accepts. Automaton has 4018 states and 5416 transitions. Word has length 65 [2024-10-24 01:42:58,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:42:58,770 INFO L471 AbstractCegarLoop]: Abstraction has 4018 states and 5416 transitions. [2024-10-24 01:42:58,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:42:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand 4018 states and 5416 transitions. [2024-10-24 01:42:58,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-24 01:42:58,774 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:42:58,774 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] [2024-10-24 01:42:58,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 01:42:58,775 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:42:58,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:42:58,775 INFO L85 PathProgramCache]: Analyzing trace with hash -428617911, now seen corresponding path program 1 times [2024-10-24 01:42:58,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:42:58,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382526597] [2024-10-24 01:42:58,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:42:58,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:42:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:42:59,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:42:59,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:42:59,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382526597] [2024-10-24 01:42:59,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382526597] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:42:59,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:42:59,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 01:42:59,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785792137] [2024-10-24 01:42:59,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:42:59,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 01:42:59,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:42:59,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 01:42:59,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:42:59,154 INFO L87 Difference]: Start difference. First operand 4018 states and 5416 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:01,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:01,636 INFO L93 Difference]: Finished difference Result 5794 states and 7977 transitions. [2024-10-24 01:43:01,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:43:01,637 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2024-10-24 01:43:01,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:01,648 INFO L225 Difference]: With dead ends: 5794 [2024-10-24 01:43:01,648 INFO L226 Difference]: Without dead ends: 4977 [2024-10-24 01:43:01,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:43:01,650 INFO L432 NwaCegarLoop]: 1056 mSDtfsCounter, 6356 mSDsluCounter, 5335 mSDsCounter, 0 mSdLazyCounter, 6654 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6356 SdHoareTripleChecker+Valid, 6391 SdHoareTripleChecker+Invalid, 6661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 6654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:01,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6356 Valid, 6391 Invalid, 6661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 6654 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-24 01:43:01,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4977 states. [2024-10-24 01:43:01,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4977 to 4025. [2024-10-24 01:43:01,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4025 states, 4018 states have (on average 1.349676455948233) internal successors, (5423), 4024 states have internal predecessors, (5423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:01,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4025 states to 4025 states and 5423 transitions. [2024-10-24 01:43:01,708 INFO L78 Accepts]: Start accepts. Automaton has 4025 states and 5423 transitions. Word has length 65 [2024-10-24 01:43:01,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:01,709 INFO L471 AbstractCegarLoop]: Abstraction has 4025 states and 5423 transitions. [2024-10-24 01:43:01,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:01,709 INFO L276 IsEmpty]: Start isEmpty. Operand 4025 states and 5423 transitions. [2024-10-24 01:43:01,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-24 01:43:01,713 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:01,713 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] [2024-10-24 01:43:01,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 01:43:01,713 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:01,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:01,714 INFO L85 PathProgramCache]: Analyzing trace with hash -2016295323, now seen corresponding path program 1 times [2024-10-24 01:43:01,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:01,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910586618] [2024-10-24 01:43:01,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:01,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:02,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:02,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:02,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910586618] [2024-10-24 01:43:02,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910586618] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:02,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:02,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 01:43:02,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479669620] [2024-10-24 01:43:02,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:02,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 01:43:02,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:02,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 01:43:02,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-24 01:43:02,282 INFO L87 Difference]: Start difference. First operand 4025 states and 5423 transitions. Second operand has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 12 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:04,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:04,080 INFO L93 Difference]: Finished difference Result 9489 states and 13401 transitions. [2024-10-24 01:43:04,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 01:43:04,081 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 12 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2024-10-24 01:43:04,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:04,103 INFO L225 Difference]: With dead ends: 9489 [2024-10-24 01:43:04,103 INFO L226 Difference]: Without dead ends: 9481 [2024-10-24 01:43:04,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2024-10-24 01:43:04,107 INFO L432 NwaCegarLoop]: 2050 mSDtfsCounter, 17177 mSDsluCounter, 11198 mSDsCounter, 0 mSdLazyCounter, 2439 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17177 SdHoareTripleChecker+Valid, 13248 SdHoareTripleChecker+Invalid, 2478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 2439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:04,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17177 Valid, 13248 Invalid, 2478 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [39 Valid, 2439 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 01:43:04,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9481 states. [2024-10-24 01:43:04,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9481 to 4017. [2024-10-24 01:43:04,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4017 states, 4011 states have (on average 1.350037397157816) internal successors, (5415), 4016 states have internal predecessors, (5415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:04,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4017 states to 4017 states and 5415 transitions. [2024-10-24 01:43:04,199 INFO L78 Accepts]: Start accepts. Automaton has 4017 states and 5415 transitions. Word has length 66 [2024-10-24 01:43:04,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:04,200 INFO L471 AbstractCegarLoop]: Abstraction has 4017 states and 5415 transitions. [2024-10-24 01:43:04,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 12 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:04,201 INFO L276 IsEmpty]: Start isEmpty. Operand 4017 states and 5415 transitions. [2024-10-24 01:43:04,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-24 01:43:04,205 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:04,205 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] [2024-10-24 01:43:04,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 01:43:04,205 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:04,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:04,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1740752215, now seen corresponding path program 1 times [2024-10-24 01:43:04,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:04,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607099967] [2024-10-24 01:43:04,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:04,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:04,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:04,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:04,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607099967] [2024-10-24 01:43:04,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607099967] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:04,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:04,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 01:43:04,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163489391] [2024-10-24 01:43:04,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:04,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 01:43:04,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:04,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 01:43:04,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 01:43:04,294 INFO L87 Difference]: Start difference. First operand 4017 states and 5415 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:05,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:05,093 INFO L93 Difference]: Finished difference Result 7917 states and 10741 transitions. [2024-10-24 01:43:05,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 01:43:05,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2024-10-24 01:43:05,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:05,099 INFO L225 Difference]: With dead ends: 7917 [2024-10-24 01:43:05,100 INFO L226 Difference]: Without dead ends: 5301 [2024-10-24 01:43:05,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:43:05,103 INFO L432 NwaCegarLoop]: 906 mSDtfsCounter, 6534 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6534 SdHoareTripleChecker+Valid, 1239 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:05,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6534 Valid, 1239 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:43:05,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5301 states. [2024-10-24 01:43:05,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5301 to 5291. [2024-10-24 01:43:05,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5291 states, 5285 states have (on average 1.3538315988647114) internal successors, (7155), 5290 states have internal predecessors, (7155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:05,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5291 states to 5291 states and 7155 transitions. [2024-10-24 01:43:05,189 INFO L78 Accepts]: Start accepts. Automaton has 5291 states and 7155 transitions. Word has length 66 [2024-10-24 01:43:05,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:05,189 INFO L471 AbstractCegarLoop]: Abstraction has 5291 states and 7155 transitions. [2024-10-24 01:43:05,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:05,190 INFO L276 IsEmpty]: Start isEmpty. Operand 5291 states and 7155 transitions. [2024-10-24 01:43:05,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-24 01:43:05,194 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:05,194 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] [2024-10-24 01:43:05,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 01:43:05,195 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:05,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:05,195 INFO L85 PathProgramCache]: Analyzing trace with hash -167816723, now seen corresponding path program 1 times [2024-10-24 01:43:05,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:05,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106464357] [2024-10-24 01:43:05,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:05,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:05,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:05,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106464357] [2024-10-24 01:43:05,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106464357] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:05,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:05,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 01:43:05,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060516419] [2024-10-24 01:43:05,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:05,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 01:43:05,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:05,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 01:43:05,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-24 01:43:05,648 INFO L87 Difference]: Start difference. First operand 5291 states and 7155 transitions. Second operand has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 12 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:07,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:07,191 INFO L93 Difference]: Finished difference Result 12709 states and 18115 transitions. [2024-10-24 01:43:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 01:43:07,192 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 12 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2024-10-24 01:43:07,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:07,204 INFO L225 Difference]: With dead ends: 12709 [2024-10-24 01:43:07,204 INFO L226 Difference]: Without dead ends: 11387 [2024-10-24 01:43:07,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=190, Invalid=566, Unknown=0, NotChecked=0, Total=756 [2024-10-24 01:43:07,209 INFO L432 NwaCegarLoop]: 1697 mSDtfsCounter, 14659 mSDsluCounter, 9937 mSDsCounter, 0 mSdLazyCounter, 2039 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14659 SdHoareTripleChecker+Valid, 11634 SdHoareTripleChecker+Invalid, 2064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:07,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14659 Valid, 11634 Invalid, 2064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2039 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 01:43:07,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11387 states. [2024-10-24 01:43:07,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11387 to 5203. [2024-10-24 01:43:07,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5203 states, 5198 states have (on average 1.3512889572912659) internal successors, (7024), 5202 states have internal predecessors, (7024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:07,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5203 states to 5203 states and 7024 transitions. [2024-10-24 01:43:07,294 INFO L78 Accepts]: Start accepts. Automaton has 5203 states and 7024 transitions. Word has length 66 [2024-10-24 01:43:07,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:07,294 INFO L471 AbstractCegarLoop]: Abstraction has 5203 states and 7024 transitions. [2024-10-24 01:43:07,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.076923076923077) internal successors, (66), 12 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:07,295 INFO L276 IsEmpty]: Start isEmpty. Operand 5203 states and 7024 transitions. [2024-10-24 01:43:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-24 01:43:07,299 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:07,299 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] [2024-10-24 01:43:07,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 01:43:07,300 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:07,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:07,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1849785436, now seen corresponding path program 1 times [2024-10-24 01:43:07,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:07,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819602694] [2024-10-24 01:43:07,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:07,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:07,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:07,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819602694] [2024-10-24 01:43:07,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819602694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:07,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:07,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 01:43:07,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29466868] [2024-10-24 01:43:07,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:07,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 01:43:07,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:07,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 01:43:07,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:43:07,554 INFO L87 Difference]: Start difference. First operand 5203 states and 7024 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:09,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:09,644 INFO L93 Difference]: Finished difference Result 7848 states and 10861 transitions. [2024-10-24 01:43:09,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:43:09,645 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2024-10-24 01:43:09,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:09,654 INFO L225 Difference]: With dead ends: 7848 [2024-10-24 01:43:09,654 INFO L226 Difference]: Without dead ends: 6563 [2024-10-24 01:43:09,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:43:09,658 INFO L432 NwaCegarLoop]: 988 mSDtfsCounter, 5390 mSDsluCounter, 4690 mSDsCounter, 0 mSdLazyCounter, 5414 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5390 SdHoareTripleChecker+Valid, 5678 SdHoareTripleChecker+Invalid, 5441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 5414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:09,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5390 Valid, 5678 Invalid, 5441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 5414 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-24 01:43:09,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6563 states. [2024-10-24 01:43:09,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6563 to 5156. [2024-10-24 01:43:09,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5156 states, 5151 states have (on average 1.3504173946806446) internal successors, (6956), 5155 states have internal predecessors, (6956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:09,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5156 states to 5156 states and 6956 transitions. [2024-10-24 01:43:09,719 INFO L78 Accepts]: Start accepts. Automaton has 5156 states and 6956 transitions. Word has length 67 [2024-10-24 01:43:09,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:09,719 INFO L471 AbstractCegarLoop]: Abstraction has 5156 states and 6956 transitions. [2024-10-24 01:43:09,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:09,720 INFO L276 IsEmpty]: Start isEmpty. Operand 5156 states and 6956 transitions. [2024-10-24 01:43:09,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-24 01:43:09,725 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:09,725 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] [2024-10-24 01:43:09,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 01:43:09,726 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:09,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:09,729 INFO L85 PathProgramCache]: Analyzing trace with hash -2035786332, now seen corresponding path program 1 times [2024-10-24 01:43:09,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:09,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971773175] [2024-10-24 01:43:09,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:09,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:09,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:09,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:09,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971773175] [2024-10-24 01:43:09,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971773175] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:09,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:09,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:43:09,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730686662] [2024-10-24 01:43:09,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:09,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:43:09,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:09,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:43:09,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:43:09,905 INFO L87 Difference]: Start difference. First operand 5156 states and 6956 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:11,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:11,423 INFO L93 Difference]: Finished difference Result 7717 states and 10580 transitions. [2024-10-24 01:43:11,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:43:11,423 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2024-10-24 01:43:11,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:11,439 INFO L225 Difference]: With dead ends: 7717 [2024-10-24 01:43:11,439 INFO L226 Difference]: Without dead ends: 7709 [2024-10-24 01:43:11,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:43:11,441 INFO L432 NwaCegarLoop]: 986 mSDtfsCounter, 4525 mSDsluCounter, 3028 mSDsCounter, 0 mSdLazyCounter, 3939 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4525 SdHoareTripleChecker+Valid, 4014 SdHoareTripleChecker+Invalid, 3975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 3939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:11,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4525 Valid, 4014 Invalid, 3975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 3939 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 01:43:11,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7709 states. [2024-10-24 01:43:11,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7709 to 5156. [2024-10-24 01:43:11,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5156 states, 5151 states have (on average 1.3502232576198796) internal successors, (6955), 5155 states have internal predecessors, (6955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:11,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5156 states to 5156 states and 6955 transitions. [2024-10-24 01:43:11,554 INFO L78 Accepts]: Start accepts. Automaton has 5156 states and 6955 transitions. Word has length 68 [2024-10-24 01:43:11,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:11,554 INFO L471 AbstractCegarLoop]: Abstraction has 5156 states and 6955 transitions. [2024-10-24 01:43:11,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 5156 states and 6955 transitions. [2024-10-24 01:43:11,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-24 01:43:11,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:11,560 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] [2024-10-24 01:43:11,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 01:43:11,560 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:11,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:11,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1784891832, now seen corresponding path program 1 times [2024-10-24 01:43:11,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:11,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071014827] [2024-10-24 01:43:11,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:11,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:11,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:11,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:11,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071014827] [2024-10-24 01:43:11,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071014827] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:11,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:11,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 01:43:11,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939204186] [2024-10-24 01:43:11,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:11,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 01:43:11,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:11,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 01:43:11,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-24 01:43:11,980 INFO L87 Difference]: Start difference. First operand 5156 states and 6955 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:12,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:12,843 INFO L93 Difference]: Finished difference Result 6280 states and 8562 transitions. [2024-10-24 01:43:12,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:43:12,844 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2024-10-24 01:43:12,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:12,851 INFO L225 Difference]: With dead ends: 6280 [2024-10-24 01:43:12,851 INFO L226 Difference]: Without dead ends: 6276 [2024-10-24 01:43:12,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-10-24 01:43:12,852 INFO L432 NwaCegarLoop]: 1549 mSDtfsCounter, 5319 mSDsluCounter, 6558 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5319 SdHoareTripleChecker+Valid, 8107 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:12,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5319 Valid, 8107 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1373 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:43:12,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6276 states. [2024-10-24 01:43:12,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6276 to 5152. [2024-10-24 01:43:12,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5152 states, 5148 states have (on average 1.3502331002331003) internal successors, (6951), 5151 states have internal predecessors, (6951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:12,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 5152 states and 6951 transitions. [2024-10-24 01:43:12,901 INFO L78 Accepts]: Start accepts. Automaton has 5152 states and 6951 transitions. Word has length 68 [2024-10-24 01:43:12,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:12,902 INFO L471 AbstractCegarLoop]: Abstraction has 5152 states and 6951 transitions. [2024-10-24 01:43:12,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:12,902 INFO L276 IsEmpty]: Start isEmpty. Operand 5152 states and 6951 transitions. [2024-10-24 01:43:12,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-24 01:43:12,906 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:12,906 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] [2024-10-24 01:43:12,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 01:43:12,906 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:12,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:12,907 INFO L85 PathProgramCache]: Analyzing trace with hash -541441223, now seen corresponding path program 1 times [2024-10-24 01:43:12,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:12,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113858764] [2024-10-24 01:43:12,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:12,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:13,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:13,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113858764] [2024-10-24 01:43:13,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113858764] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:13,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:13,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:43:13,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832212601] [2024-10-24 01:43:13,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:13,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:43:13,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:13,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:43:13,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:43:13,078 INFO L87 Difference]: Start difference. First operand 5152 states and 6951 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:14,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:14,433 INFO L93 Difference]: Finished difference Result 7590 states and 10552 transitions. [2024-10-24 01:43:14,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:43:14,433 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2024-10-24 01:43:14,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:14,440 INFO L225 Difference]: With dead ends: 7590 [2024-10-24 01:43:14,440 INFO L226 Difference]: Without dead ends: 6348 [2024-10-24 01:43:14,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:43:14,443 INFO L432 NwaCegarLoop]: 899 mSDtfsCounter, 6683 mSDsluCounter, 2921 mSDsCounter, 0 mSdLazyCounter, 3607 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6683 SdHoareTripleChecker+Valid, 3820 SdHoareTripleChecker+Invalid, 3626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:14,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6683 Valid, 3820 Invalid, 3626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3607 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 01:43:14,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6348 states. [2024-10-24 01:43:14,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6348 to 5152. [2024-10-24 01:43:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5152 states, 5148 states have (on average 1.3498445998445998) internal successors, (6949), 5151 states have internal predecessors, (6949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:14,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5152 states to 5152 states and 6949 transitions. [2024-10-24 01:43:14,504 INFO L78 Accepts]: Start accepts. Automaton has 5152 states and 6949 transitions. Word has length 69 [2024-10-24 01:43:14,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:14,504 INFO L471 AbstractCegarLoop]: Abstraction has 5152 states and 6949 transitions. [2024-10-24 01:43:14,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:14,504 INFO L276 IsEmpty]: Start isEmpty. Operand 5152 states and 6949 transitions. [2024-10-24 01:43:14,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-24 01:43:14,508 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:14,508 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] [2024-10-24 01:43:14,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 01:43:14,509 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:14,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:14,509 INFO L85 PathProgramCache]: Analyzing trace with hash -463393113, now seen corresponding path program 1 times [2024-10-24 01:43:14,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:14,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372232572] [2024-10-24 01:43:14,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:14,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:14,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:14,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372232572] [2024-10-24 01:43:14,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372232572] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:14,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:14,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 01:43:14,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624063457] [2024-10-24 01:43:14,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:14,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 01:43:14,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:14,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 01:43:14,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-10-24 01:43:14,906 INFO L87 Difference]: Start difference. First operand 5152 states and 6949 transitions. Second operand has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:16,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:16,169 INFO L93 Difference]: Finished difference Result 11539 states and 16259 transitions. [2024-10-24 01:43:16,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 01:43:16,169 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2024-10-24 01:43:16,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:16,176 INFO L225 Difference]: With dead ends: 11539 [2024-10-24 01:43:16,176 INFO L226 Difference]: Without dead ends: 10192 [2024-10-24 01:43:16,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2024-10-24 01:43:16,178 INFO L432 NwaCegarLoop]: 1601 mSDtfsCounter, 13378 mSDsluCounter, 8728 mSDsCounter, 0 mSdLazyCounter, 2051 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13378 SdHoareTripleChecker+Valid, 10329 SdHoareTripleChecker+Invalid, 2057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:16,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13378 Valid, 10329 Invalid, 2057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2051 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:43:16,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10192 states. [2024-10-24 01:43:16,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10192 to 5162. [2024-10-24 01:43:16,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5162 states, 5158 states have (on average 1.3497479643272585) internal successors, (6962), 5161 states have internal predecessors, (6962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:16,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5162 states to 5162 states and 6962 transitions. [2024-10-24 01:43:16,235 INFO L78 Accepts]: Start accepts. Automaton has 5162 states and 6962 transitions. Word has length 69 [2024-10-24 01:43:16,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:16,236 INFO L471 AbstractCegarLoop]: Abstraction has 5162 states and 6962 transitions. [2024-10-24 01:43:16,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.928571428571429) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:16,236 INFO L276 IsEmpty]: Start isEmpty. Operand 5162 states and 6962 transitions. [2024-10-24 01:43:16,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-10-24 01:43:16,240 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:16,240 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] [2024-10-24 01:43:16,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 01:43:16,241 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:16,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:16,241 INFO L85 PathProgramCache]: Analyzing trace with hash 594946586, now seen corresponding path program 1 times [2024-10-24 01:43:16,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:16,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713165999] [2024-10-24 01:43:16,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:16,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:16,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:16,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:16,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713165999] [2024-10-24 01:43:16,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713165999] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:16,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:16,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:16,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244643472] [2024-10-24 01:43:16,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:16,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:16,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:16,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:16,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:16,284 INFO L87 Difference]: Start difference. First operand 5162 states and 6962 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:16,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:16,373 INFO L93 Difference]: Finished difference Result 8059 states and 11167 transitions. [2024-10-24 01:43:16,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:16,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2024-10-24 01:43:16,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:16,377 INFO L225 Difference]: With dead ends: 8059 [2024-10-24 01:43:16,377 INFO L226 Difference]: Without dead ends: 5031 [2024-10-24 01:43:16,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:16,381 INFO L432 NwaCegarLoop]: 1306 mSDtfsCounter, 1278 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1278 SdHoareTripleChecker+Valid, 1821 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:16,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1278 Valid, 1821 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:43:16,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5031 states. [2024-10-24 01:43:16,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5031 to 5027. [2024-10-24 01:43:16,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5027 states, 5024 states have (on average 1.375) internal successors, (6908), 5026 states have internal predecessors, (6908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:16,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5027 states to 5027 states and 6908 transitions. [2024-10-24 01:43:16,422 INFO L78 Accepts]: Start accepts. Automaton has 5027 states and 6908 transitions. Word has length 69 [2024-10-24 01:43:16,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:16,422 INFO L471 AbstractCegarLoop]: Abstraction has 5027 states and 6908 transitions. [2024-10-24 01:43:16,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:16,422 INFO L276 IsEmpty]: Start isEmpty. Operand 5027 states and 6908 transitions. [2024-10-24 01:43:16,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 01:43:16,426 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:16,426 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] [2024-10-24 01:43:16,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 01:43:16,426 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:16,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:16,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1302640947, now seen corresponding path program 1 times [2024-10-24 01:43:16,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:16,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310158740] [2024-10-24 01:43:16,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:16,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:16,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:16,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:16,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310158740] [2024-10-24 01:43:16,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310158740] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:16,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:16,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 01:43:16,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695006242] [2024-10-24 01:43:16,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:16,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 01:43:16,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:16,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 01:43:16,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:43:16,651 INFO L87 Difference]: Start difference. First operand 5027 states and 6908 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:18,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:18,190 INFO L93 Difference]: Finished difference Result 8497 states and 12018 transitions. [2024-10-24 01:43:18,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 01:43:18,191 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2024-10-24 01:43:18,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:18,196 INFO L225 Difference]: With dead ends: 8497 [2024-10-24 01:43:18,196 INFO L226 Difference]: Without dead ends: 6613 [2024-10-24 01:43:18,199 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:43:18,199 INFO L432 NwaCegarLoop]: 798 mSDtfsCounter, 4132 mSDsluCounter, 3765 mSDsCounter, 0 mSdLazyCounter, 4146 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4132 SdHoareTripleChecker+Valid, 4563 SdHoareTripleChecker+Invalid, 4167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:18,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4132 Valid, 4563 Invalid, 4167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4146 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 01:43:18,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6613 states. [2024-10-24 01:43:18,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6613 to 5027. [2024-10-24 01:43:18,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5027 states, 5024 states have (on average 1.3748009554140128) internal successors, (6907), 5026 states have internal predecessors, (6907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:18,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5027 states to 5027 states and 6907 transitions. [2024-10-24 01:43:18,281 INFO L78 Accepts]: Start accepts. Automaton has 5027 states and 6907 transitions. Word has length 70 [2024-10-24 01:43:18,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:18,282 INFO L471 AbstractCegarLoop]: Abstraction has 5027 states and 6907 transitions. [2024-10-24 01:43:18,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:18,282 INFO L276 IsEmpty]: Start isEmpty. Operand 5027 states and 6907 transitions. [2024-10-24 01:43:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 01:43:18,286 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:18,286 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] [2024-10-24 01:43:18,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 01:43:18,286 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:18,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:18,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1077974177, now seen corresponding path program 1 times [2024-10-24 01:43:18,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:18,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318401524] [2024-10-24 01:43:18,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:18,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:18,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:18,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:18,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318401524] [2024-10-24 01:43:18,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318401524] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:18,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:18,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:18,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788645322] [2024-10-24 01:43:18,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:18,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:18,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:18,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:18,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:18,333 INFO L87 Difference]: Start difference. First operand 5027 states and 6907 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:18,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:18,413 INFO L93 Difference]: Finished difference Result 10034 states and 14194 transitions. [2024-10-24 01:43:18,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:18,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2024-10-24 01:43:18,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:18,421 INFO L225 Difference]: With dead ends: 10034 [2024-10-24 01:43:18,421 INFO L226 Difference]: Without dead ends: 7846 [2024-10-24 01:43:18,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:18,424 INFO L432 NwaCegarLoop]: 1438 mSDtfsCounter, 747 mSDsluCounter, 1164 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 2602 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:18,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [747 Valid, 2602 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:43:18,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7846 states. [2024-10-24 01:43:18,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7846 to 7842. [2024-10-24 01:43:18,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7842 states, 7839 states have (on average 1.3825743079474422) internal successors, (10838), 7841 states have internal predecessors, (10838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:18,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7842 states to 7842 states and 10838 transitions. [2024-10-24 01:43:18,494 INFO L78 Accepts]: Start accepts. Automaton has 7842 states and 10838 transitions. Word has length 70 [2024-10-24 01:43:18,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:18,494 INFO L471 AbstractCegarLoop]: Abstraction has 7842 states and 10838 transitions. [2024-10-24 01:43:18,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:18,495 INFO L276 IsEmpty]: Start isEmpty. Operand 7842 states and 10838 transitions. [2024-10-24 01:43:18,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 01:43:18,499 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:18,500 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] [2024-10-24 01:43:18,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-24 01:43:18,500 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:18,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:18,500 INFO L85 PathProgramCache]: Analyzing trace with hash -30289550, now seen corresponding path program 1 times [2024-10-24 01:43:18,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:18,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786223211] [2024-10-24 01:43:18,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:18,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:18,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:18,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:18,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786223211] [2024-10-24 01:43:18,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786223211] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:18,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:18,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 01:43:18,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098739235] [2024-10-24 01:43:18,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:18,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 01:43:18,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:18,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 01:43:18,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-10-24 01:43:18,826 INFO L87 Difference]: Start difference. First operand 7842 states and 10838 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:20,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:20,835 INFO L93 Difference]: Finished difference Result 14479 states and 20474 transitions. [2024-10-24 01:43:20,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 01:43:20,835 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2024-10-24 01:43:20,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:20,843 INFO L225 Difference]: With dead ends: 14479 [2024-10-24 01:43:20,843 INFO L226 Difference]: Without dead ends: 10751 [2024-10-24 01:43:20,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2024-10-24 01:43:20,847 INFO L432 NwaCegarLoop]: 756 mSDtfsCounter, 3582 mSDsluCounter, 4516 mSDsCounter, 0 mSdLazyCounter, 5045 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3582 SdHoareTripleChecker+Valid, 5272 SdHoareTripleChecker+Invalid, 5103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 5045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:20,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3582 Valid, 5272 Invalid, 5103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 5045 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-24 01:43:20,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10751 states. [2024-10-24 01:43:20,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10751 to 7842. [2024-10-24 01:43:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7842 states, 7839 states have (on average 1.3820640387804566) internal successors, (10834), 7841 states have internal predecessors, (10834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:20,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7842 states to 7842 states and 10834 transitions. [2024-10-24 01:43:20,971 INFO L78 Accepts]: Start accepts. Automaton has 7842 states and 10834 transitions. Word has length 70 [2024-10-24 01:43:20,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:20,971 INFO L471 AbstractCegarLoop]: Abstraction has 7842 states and 10834 transitions. [2024-10-24 01:43:20,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 7842 states and 10834 transitions. [2024-10-24 01:43:20,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 01:43:20,978 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:20,978 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] [2024-10-24 01:43:20,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-24 01:43:20,978 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:20,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:20,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1613228074, now seen corresponding path program 1 times [2024-10-24 01:43:20,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:20,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9638160] [2024-10-24 01:43:20,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:20,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:21,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:21,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:21,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9638160] [2024-10-24 01:43:21,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9638160] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:21,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:21,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 01:43:21,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553734578] [2024-10-24 01:43:21,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:21,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 01:43:21,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:21,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 01:43:21,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:43:21,246 INFO L87 Difference]: Start difference. First operand 7842 states and 10834 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:22,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:22,651 INFO L93 Difference]: Finished difference Result 11187 states and 15670 transitions. [2024-10-24 01:43:22,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:43:22,651 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2024-10-24 01:43:22,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:22,658 INFO L225 Difference]: With dead ends: 11187 [2024-10-24 01:43:22,658 INFO L226 Difference]: Without dead ends: 10115 [2024-10-24 01:43:22,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-24 01:43:22,661 INFO L432 NwaCegarLoop]: 704 mSDtfsCounter, 3964 mSDsluCounter, 3443 mSDsCounter, 0 mSdLazyCounter, 3855 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3964 SdHoareTripleChecker+Valid, 4147 SdHoareTripleChecker+Invalid, 3862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:22,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3964 Valid, 4147 Invalid, 3862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 3855 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 01:43:22,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10115 states. [2024-10-24 01:43:22,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10115 to 7842. [2024-10-24 01:43:22,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7842 states, 7839 states have (on average 1.3819364714887103) internal successors, (10833), 7841 states have internal predecessors, (10833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:22,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7842 states to 7842 states and 10833 transitions. [2024-10-24 01:43:22,737 INFO L78 Accepts]: Start accepts. Automaton has 7842 states and 10833 transitions. Word has length 70 [2024-10-24 01:43:22,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:22,737 INFO L471 AbstractCegarLoop]: Abstraction has 7842 states and 10833 transitions. [2024-10-24 01:43:22,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:22,738 INFO L276 IsEmpty]: Start isEmpty. Operand 7842 states and 10833 transitions. [2024-10-24 01:43:22,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 01:43:22,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:22,742 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] [2024-10-24 01:43:22,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-24 01:43:22,743 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:22,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:22,743 INFO L85 PathProgramCache]: Analyzing trace with hash 644820867, now seen corresponding path program 1 times [2024-10-24 01:43:22,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:22,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300422032] [2024-10-24 01:43:22,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:22,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:22,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:22,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:22,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300422032] [2024-10-24 01:43:22,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300422032] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:22,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:22,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:22,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574181709] [2024-10-24 01:43:22,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:22,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:22,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:22,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:22,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:22,790 INFO L87 Difference]: Start difference. First operand 7842 states and 10833 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:22,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:22,901 INFO L93 Difference]: Finished difference Result 13078 states and 18574 transitions. [2024-10-24 01:43:22,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:22,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2024-10-24 01:43:22,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:22,906 INFO L225 Difference]: With dead ends: 13078 [2024-10-24 01:43:22,906 INFO L226 Difference]: Without dead ends: 7052 [2024-10-24 01:43:22,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:22,911 INFO L432 NwaCegarLoop]: 1190 mSDtfsCounter, 1185 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 1541 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:22,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 1541 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:43:22,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7052 states. [2024-10-24 01:43:22,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7052 to 5786. [2024-10-24 01:43:22,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5786 states, 5784 states have (on average 1.413554633471646) internal successors, (8176), 5785 states have internal predecessors, (8176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:22,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5786 states to 5786 states and 8176 transitions. [2024-10-24 01:43:22,954 INFO L78 Accepts]: Start accepts. Automaton has 5786 states and 8176 transitions. Word has length 70 [2024-10-24 01:43:22,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:22,955 INFO L471 AbstractCegarLoop]: Abstraction has 5786 states and 8176 transitions. [2024-10-24 01:43:22,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:22,955 INFO L276 IsEmpty]: Start isEmpty. Operand 5786 states and 8176 transitions. [2024-10-24 01:43:22,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 01:43:22,960 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:22,960 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] [2024-10-24 01:43:22,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 01:43:22,961 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:22,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:22,961 INFO L85 PathProgramCache]: Analyzing trace with hash 247821167, now seen corresponding path program 1 times [2024-10-24 01:43:22,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:22,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783826310] [2024-10-24 01:43:22,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:22,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:23,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:23,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:23,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783826310] [2024-10-24 01:43:23,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783826310] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:23,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:23,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:23,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365913016] [2024-10-24 01:43:23,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:23,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:23,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:23,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:23,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:23,045 INFO L87 Difference]: Start difference. First operand 5786 states and 8176 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:23,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:23,120 INFO L93 Difference]: Finished difference Result 12243 states and 18033 transitions. [2024-10-24 01:43:23,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:23,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2024-10-24 01:43:23,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:23,128 INFO L225 Difference]: With dead ends: 12243 [2024-10-24 01:43:23,128 INFO L226 Difference]: Without dead ends: 8337 [2024-10-24 01:43:23,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:23,133 INFO L432 NwaCegarLoop]: 1290 mSDtfsCounter, 763 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 763 SdHoareTripleChecker+Valid, 1816 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:23,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [763 Valid, 1816 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:43:23,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8337 states. [2024-10-24 01:43:23,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8337 to 8335. [2024-10-24 01:43:23,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8335 states, 8333 states have (on average 1.4436577463098523) internal successors, (12030), 8334 states have internal predecessors, (12030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:23,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8335 states to 8335 states and 12030 transitions. [2024-10-24 01:43:23,209 INFO L78 Accepts]: Start accepts. Automaton has 8335 states and 12030 transitions. Word has length 71 [2024-10-24 01:43:23,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:23,209 INFO L471 AbstractCegarLoop]: Abstraction has 8335 states and 12030 transitions. [2024-10-24 01:43:23,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:23,209 INFO L276 IsEmpty]: Start isEmpty. Operand 8335 states and 12030 transitions. [2024-10-24 01:43:23,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 01:43:23,212 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:23,212 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] [2024-10-24 01:43:23,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-24 01:43:23,212 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:23,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:23,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1208387843, now seen corresponding path program 1 times [2024-10-24 01:43:23,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:23,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574822478] [2024-10-24 01:43:23,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:23,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:23,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:23,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:23,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574822478] [2024-10-24 01:43:23,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574822478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:23,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:23,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:23,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189310619] [2024-10-24 01:43:23,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:23,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:23,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:23,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:23,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:23,258 INFO L87 Difference]: Start difference. First operand 8335 states and 12030 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:23,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:23,341 INFO L93 Difference]: Finished difference Result 20919 states and 30790 transitions. [2024-10-24 01:43:23,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:23,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2024-10-24 01:43:23,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:23,353 INFO L225 Difference]: With dead ends: 20919 [2024-10-24 01:43:23,354 INFO L226 Difference]: Without dead ends: 14197 [2024-10-24 01:43:23,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:23,361 INFO L432 NwaCegarLoop]: 1377 mSDtfsCounter, 732 mSDsluCounter, 952 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 2329 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:23,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 2329 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:43:23,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14197 states. [2024-10-24 01:43:23,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14197 to 14195. [2024-10-24 01:43:23,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14195 states, 14193 states have (on average 1.4436694145001057) internal successors, (20490), 14194 states have internal predecessors, (20490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:23,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14195 states to 14195 states and 20490 transitions. [2024-10-24 01:43:23,483 INFO L78 Accepts]: Start accepts. Automaton has 14195 states and 20490 transitions. Word has length 71 [2024-10-24 01:43:23,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:23,484 INFO L471 AbstractCegarLoop]: Abstraction has 14195 states and 20490 transitions. [2024-10-24 01:43:23,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:23,484 INFO L276 IsEmpty]: Start isEmpty. Operand 14195 states and 20490 transitions. [2024-10-24 01:43:23,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-24 01:43:23,487 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:23,487 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:23,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-24 01:43:23,488 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:23,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:23,488 INFO L85 PathProgramCache]: Analyzing trace with hash -372982566, now seen corresponding path program 1 times [2024-10-24 01:43:23,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:23,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234594041] [2024-10-24 01:43:23,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:23,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:23,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:23,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:23,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234594041] [2024-10-24 01:43:23,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234594041] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:23,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:23,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:43:23,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447796331] [2024-10-24 01:43:23,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:23,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:43:23,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:23,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:43:23,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:43:23,668 INFO L87 Difference]: Start difference. First operand 14195 states and 20490 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:24,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:24,893 INFO L93 Difference]: Finished difference Result 24764 states and 35688 transitions. [2024-10-24 01:43:24,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:43:24,895 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-10-24 01:43:24,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:24,918 INFO L225 Difference]: With dead ends: 24764 [2024-10-24 01:43:24,919 INFO L226 Difference]: Without dead ends: 24549 [2024-10-24 01:43:24,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:43:24,926 INFO L432 NwaCegarLoop]: 817 mSDtfsCounter, 3860 mSDsluCounter, 2817 mSDsCounter, 0 mSdLazyCounter, 3350 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3860 SdHoareTripleChecker+Valid, 3634 SdHoareTripleChecker+Invalid, 3376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 3350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:24,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3860 Valid, 3634 Invalid, 3376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 3350 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 01:43:24,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24549 states. [2024-10-24 01:43:25,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24549 to 14195. [2024-10-24 01:43:25,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14195 states, 14193 states have (on average 1.4435989572324386) internal successors, (20489), 14194 states have internal predecessors, (20489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14195 states to 14195 states and 20489 transitions. [2024-10-24 01:43:25,153 INFO L78 Accepts]: Start accepts. Automaton has 14195 states and 20489 transitions. Word has length 72 [2024-10-24 01:43:25,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:25,153 INFO L471 AbstractCegarLoop]: Abstraction has 14195 states and 20489 transitions. [2024-10-24 01:43:25,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:25,153 INFO L276 IsEmpty]: Start isEmpty. Operand 14195 states and 20489 transitions. [2024-10-24 01:43:25,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-24 01:43:25,156 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:25,156 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:25,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 01:43:25,157 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:25,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:25,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1214563715, now seen corresponding path program 1 times [2024-10-24 01:43:25,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:25,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596214992] [2024-10-24 01:43:25,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:25,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:25,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:25,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:25,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596214992] [2024-10-24 01:43:25,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596214992] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:25,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:25,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:25,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499987377] [2024-10-24 01:43:25,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:25,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:25,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:25,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:25,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:25,202 INFO L87 Difference]: Start difference. First operand 14195 states and 20489 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:25,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:25,318 INFO L93 Difference]: Finished difference Result 29564 states and 43239 transitions. [2024-10-24 01:43:25,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:25,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-10-24 01:43:25,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:25,336 INFO L225 Difference]: With dead ends: 29564 [2024-10-24 01:43:25,336 INFO L226 Difference]: Without dead ends: 16281 [2024-10-24 01:43:25,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:25,351 INFO L432 NwaCegarLoop]: 1202 mSDtfsCounter, 1073 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1073 SdHoareTripleChecker+Valid, 1600 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:25,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1073 Valid, 1600 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:43:25,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16281 states. [2024-10-24 01:43:25,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16281 to 13060. [2024-10-24 01:43:25,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13060 states, 13058 states have (on average 1.4603308316740695) internal successors, (19069), 13059 states have internal predecessors, (19069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:25,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13060 states to 13060 states and 19069 transitions. [2024-10-24 01:43:25,489 INFO L78 Accepts]: Start accepts. Automaton has 13060 states and 19069 transitions. Word has length 72 [2024-10-24 01:43:25,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:25,489 INFO L471 AbstractCegarLoop]: Abstraction has 13060 states and 19069 transitions. [2024-10-24 01:43:25,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:25,489 INFO L276 IsEmpty]: Start isEmpty. Operand 13060 states and 19069 transitions. [2024-10-24 01:43:25,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-24 01:43:25,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:25,492 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:25,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-24 01:43:25,492 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:25,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:25,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1846027830, now seen corresponding path program 1 times [2024-10-24 01:43:25,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:25,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240882946] [2024-10-24 01:43:25,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:25,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:25,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:25,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:25,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240882946] [2024-10-24 01:43:25,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240882946] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:25,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:25,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:43:25,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435485275] [2024-10-24 01:43:25,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:25,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:43:25,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:25,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:43:25,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:43:25,652 INFO L87 Difference]: Start difference. First operand 13060 states and 19069 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:26,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:26,660 INFO L93 Difference]: Finished difference Result 17426 states and 25295 transitions. [2024-10-24 01:43:26,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:43:26,660 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-10-24 01:43:26,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:26,674 INFO L225 Difference]: With dead ends: 17426 [2024-10-24 01:43:26,674 INFO L226 Difference]: Without dead ends: 17225 [2024-10-24 01:43:26,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:43:26,678 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 2478 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 2754 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2478 SdHoareTripleChecker+Valid, 3104 SdHoareTripleChecker+Invalid, 2770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:26,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2478 Valid, 3104 Invalid, 2770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2754 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:43:26,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17225 states. [2024-10-24 01:43:26,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17225 to 13060. [2024-10-24 01:43:26,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13060 states, 13058 states have (on average 1.460254250268035) internal successors, (19068), 13059 states have internal predecessors, (19068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:26,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13060 states to 13060 states and 19068 transitions. [2024-10-24 01:43:26,847 INFO L78 Accepts]: Start accepts. Automaton has 13060 states and 19068 transitions. Word has length 73 [2024-10-24 01:43:26,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:26,848 INFO L471 AbstractCegarLoop]: Abstraction has 13060 states and 19068 transitions. [2024-10-24 01:43:26,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand 13060 states and 19068 transitions. [2024-10-24 01:43:26,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-24 01:43:26,850 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:26,850 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:26,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-24 01:43:26,850 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:26,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:26,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1717177262, now seen corresponding path program 1 times [2024-10-24 01:43:26,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:26,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107709238] [2024-10-24 01:43:26,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:26,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:27,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:27,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:27,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107709238] [2024-10-24 01:43:27,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107709238] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:27,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:27,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:43:27,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470290257] [2024-10-24 01:43:27,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:27,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:43:27,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:27,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:43:27,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:43:27,026 INFO L87 Difference]: Start difference. First operand 13060 states and 19068 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:28,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:28,085 INFO L93 Difference]: Finished difference Result 19489 states and 28390 transitions. [2024-10-24 01:43:28,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:43:28,086 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-10-24 01:43:28,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:28,101 INFO L225 Difference]: With dead ends: 19489 [2024-10-24 01:43:28,102 INFO L226 Difference]: Without dead ends: 19278 [2024-10-24 01:43:28,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:43:28,106 INFO L432 NwaCegarLoop]: 706 mSDtfsCounter, 3458 mSDsluCounter, 2505 mSDsCounter, 0 mSdLazyCounter, 2876 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3458 SdHoareTripleChecker+Valid, 3211 SdHoareTripleChecker+Invalid, 2892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:28,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3458 Valid, 3211 Invalid, 2892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2876 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:43:28,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19278 states. [2024-10-24 01:43:28,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19278 to 13060. [2024-10-24 01:43:28,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13060 states, 13058 states have (on average 1.4601776688620003) internal successors, (19067), 13059 states have internal predecessors, (19067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:28,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13060 states to 13060 states and 19067 transitions. [2024-10-24 01:43:28,231 INFO L78 Accepts]: Start accepts. Automaton has 13060 states and 19067 transitions. Word has length 73 [2024-10-24 01:43:28,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:28,232 INFO L471 AbstractCegarLoop]: Abstraction has 13060 states and 19067 transitions. [2024-10-24 01:43:28,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 13060 states and 19067 transitions. [2024-10-24 01:43:28,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-24 01:43:28,234 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:28,234 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:28,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-24 01:43:28,234 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:28,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:28,234 INFO L85 PathProgramCache]: Analyzing trace with hash 861010402, now seen corresponding path program 1 times [2024-10-24 01:43:28,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:28,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963924601] [2024-10-24 01:43:28,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:28,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:28,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:28,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:28,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963924601] [2024-10-24 01:43:28,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963924601] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:28,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:28,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:43:28,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086196172] [2024-10-24 01:43:28,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:28,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:43:28,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:28,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:43:28,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:43:28,419 INFO L87 Difference]: Start difference. First operand 13060 states and 19067 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:29,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:29,479 INFO L93 Difference]: Finished difference Result 17426 states and 25293 transitions. [2024-10-24 01:43:29,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:43:29,480 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-10-24 01:43:29,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:29,494 INFO L225 Difference]: With dead ends: 17426 [2024-10-24 01:43:29,494 INFO L226 Difference]: Without dead ends: 17225 [2024-10-24 01:43:29,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:43:29,498 INFO L432 NwaCegarLoop]: 637 mSDtfsCounter, 3587 mSDsluCounter, 2501 mSDsCounter, 0 mSdLazyCounter, 2772 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3587 SdHoareTripleChecker+Valid, 3138 SdHoareTripleChecker+Invalid, 2788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:29,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3587 Valid, 3138 Invalid, 2788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2772 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:43:29,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17225 states. [2024-10-24 01:43:29,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17225 to 13060. [2024-10-24 01:43:29,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13060 states, 13058 states have (on average 1.4601010874559657) internal successors, (19066), 13059 states have internal predecessors, (19066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:29,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13060 states to 13060 states and 19066 transitions. [2024-10-24 01:43:29,669 INFO L78 Accepts]: Start accepts. Automaton has 13060 states and 19066 transitions. Word has length 73 [2024-10-24 01:43:29,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:29,669 INFO L471 AbstractCegarLoop]: Abstraction has 13060 states and 19066 transitions. [2024-10-24 01:43:29,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:29,669 INFO L276 IsEmpty]: Start isEmpty. Operand 13060 states and 19066 transitions. [2024-10-24 01:43:29,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-24 01:43:29,672 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:29,672 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:29,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-24 01:43:29,672 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:29,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:29,673 INFO L85 PathProgramCache]: Analyzing trace with hash 895912627, now seen corresponding path program 1 times [2024-10-24 01:43:29,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:29,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817980308] [2024-10-24 01:43:29,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:29,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:29,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:29,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:29,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817980308] [2024-10-24 01:43:29,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817980308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:29,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:29,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:43:29,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254286990] [2024-10-24 01:43:29,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:29,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:43:29,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:29,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:43:29,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:43:29,963 INFO L87 Difference]: Start difference. First operand 13060 states and 19066 transitions. Second operand has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 10 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:31,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:31,632 INFO L93 Difference]: Finished difference Result 43200 states and 63112 transitions. [2024-10-24 01:43:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 01:43:31,632 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 10 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-10-24 01:43:31,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:31,678 INFO L225 Difference]: With dead ends: 43200 [2024-10-24 01:43:31,678 INFO L226 Difference]: Without dead ends: 42989 [2024-10-24 01:43:31,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=244, Invalid=626, Unknown=0, NotChecked=0, Total=870 [2024-10-24 01:43:31,692 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 8456 mSDsluCounter, 2847 mSDsCounter, 0 mSdLazyCounter, 3471 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8456 SdHoareTripleChecker+Valid, 3504 SdHoareTripleChecker+Invalid, 3721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 3471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:31,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8456 Valid, 3504 Invalid, 3721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 3471 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-24 01:43:31,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42989 states. [2024-10-24 01:43:31,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42989 to 13064. [2024-10-24 01:43:31,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13064 states, 13062 states have (on average 1.4599601898637269) internal successors, (19070), 13063 states have internal predecessors, (19070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:31,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13064 states to 13064 states and 19070 transitions. [2024-10-24 01:43:31,968 INFO L78 Accepts]: Start accepts. Automaton has 13064 states and 19070 transitions. Word has length 73 [2024-10-24 01:43:31,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:31,968 INFO L471 AbstractCegarLoop]: Abstraction has 13064 states and 19070 transitions. [2024-10-24 01:43:31,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.636363636363637) internal successors, (73), 10 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:31,968 INFO L276 IsEmpty]: Start isEmpty. Operand 13064 states and 19070 transitions. [2024-10-24 01:43:31,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-24 01:43:31,970 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:31,970 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:31,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-24 01:43:31,971 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:31,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:31,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1391275332, now seen corresponding path program 1 times [2024-10-24 01:43:31,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:31,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585287612] [2024-10-24 01:43:31,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:31,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:32,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:32,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:32,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585287612] [2024-10-24 01:43:32,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585287612] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:32,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:32,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:43:32,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002721328] [2024-10-24 01:43:32,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:32,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:43:32,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:32,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:43:32,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:43:32,142 INFO L87 Difference]: Start difference. First operand 13064 states and 19070 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:33,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:33,141 INFO L93 Difference]: Finished difference Result 17428 states and 25294 transitions. [2024-10-24 01:43:33,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:43:33,141 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-10-24 01:43:33,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:33,155 INFO L225 Difference]: With dead ends: 17428 [2024-10-24 01:43:33,155 INFO L226 Difference]: Without dead ends: 17224 [2024-10-24 01:43:33,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 01:43:33,158 INFO L432 NwaCegarLoop]: 646 mSDtfsCounter, 3560 mSDsluCounter, 2516 mSDsCounter, 0 mSdLazyCounter, 2787 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3560 SdHoareTripleChecker+Valid, 3162 SdHoareTripleChecker+Invalid, 2803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:33,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3560 Valid, 3162 Invalid, 2803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2787 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:43:33,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17224 states. [2024-10-24 01:43:33,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17224 to 13059. [2024-10-24 01:43:33,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13059 states, 13057 states have (on average 1.4598299762579459) internal successors, (19061), 13058 states have internal predecessors, (19061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:33,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13059 states to 13059 states and 19061 transitions. [2024-10-24 01:43:33,278 INFO L78 Accepts]: Start accepts. Automaton has 13059 states and 19061 transitions. Word has length 73 [2024-10-24 01:43:33,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:33,278 INFO L471 AbstractCegarLoop]: Abstraction has 13059 states and 19061 transitions. [2024-10-24 01:43:33,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:33,278 INFO L276 IsEmpty]: Start isEmpty. Operand 13059 states and 19061 transitions. [2024-10-24 01:43:33,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-24 01:43:33,280 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:33,280 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:33,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-24 01:43:33,280 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:33,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:33,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1720609857, now seen corresponding path program 1 times [2024-10-24 01:43:33,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:33,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990433992] [2024-10-24 01:43:33,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:33,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:33,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:33,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:33,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990433992] [2024-10-24 01:43:33,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990433992] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:33,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:33,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:33,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536334155] [2024-10-24 01:43:33,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:33,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:33,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:33,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:33,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:33,324 INFO L87 Difference]: Start difference. First operand 13059 states and 19061 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:33,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:33,411 INFO L93 Difference]: Finished difference Result 30603 states and 45354 transitions. [2024-10-24 01:43:33,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:33,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-10-24 01:43:33,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:33,430 INFO L225 Difference]: With dead ends: 30603 [2024-10-24 01:43:33,430 INFO L226 Difference]: Without dead ends: 18947 [2024-10-24 01:43:33,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:33,442 INFO L432 NwaCegarLoop]: 1179 mSDtfsCounter, 698 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 1682 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:33,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 1682 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:43:33,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18947 states. [2024-10-24 01:43:33,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18947 to 15156. [2024-10-24 01:43:33,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15156 states, 15154 states have (on average 1.4555892833575295) internal successors, (22058), 15155 states have internal predecessors, (22058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15156 states to 15156 states and 22058 transitions. [2024-10-24 01:43:33,591 INFO L78 Accepts]: Start accepts. Automaton has 15156 states and 22058 transitions. Word has length 73 [2024-10-24 01:43:33,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:33,591 INFO L471 AbstractCegarLoop]: Abstraction has 15156 states and 22058 transitions. [2024-10-24 01:43:33,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 15156 states and 22058 transitions. [2024-10-24 01:43:33,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-24 01:43:33,593 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:33,593 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:33,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-24 01:43:33,594 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:33,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:33,594 INFO L85 PathProgramCache]: Analyzing trace with hash -2099397559, now seen corresponding path program 1 times [2024-10-24 01:43:33,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:33,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055936475] [2024-10-24 01:43:33,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:33,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:33,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:33,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:33,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055936475] [2024-10-24 01:43:33,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055936475] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:33,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:33,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 01:43:33,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077056879] [2024-10-24 01:43:33,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:33,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 01:43:33,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:33,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 01:43:33,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 01:43:33,744 INFO L87 Difference]: Start difference. First operand 15156 states and 22058 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:34,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:34,735 INFO L93 Difference]: Finished difference Result 19373 states and 27973 transitions. [2024-10-24 01:43:34,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 01:43:34,735 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-10-24 01:43:34,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:34,750 INFO L225 Difference]: With dead ends: 19373 [2024-10-24 01:43:34,750 INFO L226 Difference]: Without dead ends: 19297 [2024-10-24 01:43:34,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-24 01:43:34,754 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 2647 mSDsluCounter, 1991 mSDsCounter, 0 mSdLazyCounter, 2507 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2647 SdHoareTripleChecker+Valid, 2622 SdHoareTripleChecker+Invalid, 2524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:34,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2647 Valid, 2622 Invalid, 2524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2507 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 01:43:34,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19297 states. [2024-10-24 01:43:34,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19297 to 15152. [2024-10-24 01:43:34,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15152 states, 15150 states have (on average 1.4556435643564356) internal successors, (22053), 15151 states have internal predecessors, (22053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:34,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15152 states to 15152 states and 22053 transitions. [2024-10-24 01:43:34,903 INFO L78 Accepts]: Start accepts. Automaton has 15152 states and 22053 transitions. Word has length 74 [2024-10-24 01:43:34,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:34,903 INFO L471 AbstractCegarLoop]: Abstraction has 15152 states and 22053 transitions. [2024-10-24 01:43:34,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:34,903 INFO L276 IsEmpty]: Start isEmpty. Operand 15152 states and 22053 transitions. [2024-10-24 01:43:34,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-24 01:43:34,905 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:34,905 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:34,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-24 01:43:34,905 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:34,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:34,905 INFO L85 PathProgramCache]: Analyzing trace with hash 327495962, now seen corresponding path program 1 times [2024-10-24 01:43:34,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:34,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196989037] [2024-10-24 01:43:34,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:34,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:35,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:35,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:35,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196989037] [2024-10-24 01:43:35,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196989037] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:35,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:35,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 01:43:35,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767700594] [2024-10-24 01:43:35,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:35,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 01:43:35,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:35,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 01:43:35,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-10-24 01:43:35,323 INFO L87 Difference]: Start difference. First operand 15152 states and 22053 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 13 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:36,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:36,259 INFO L93 Difference]: Finished difference Result 35060 states and 51067 transitions. [2024-10-24 01:43:36,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 01:43:36,260 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 13 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-10-24 01:43:36,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:36,293 INFO L225 Difference]: With dead ends: 35060 [2024-10-24 01:43:36,294 INFO L226 Difference]: Without dead ends: 34968 [2024-10-24 01:43:36,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2024-10-24 01:43:36,306 INFO L432 NwaCegarLoop]: 1193 mSDtfsCounter, 7705 mSDsluCounter, 6645 mSDsCounter, 0 mSdLazyCounter, 1236 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7705 SdHoareTripleChecker+Valid, 7838 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:36,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7705 Valid, 7838 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1236 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:43:36,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34968 states. [2024-10-24 01:43:36,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34968 to 15124. [2024-10-24 01:43:36,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15124 states, 15123 states have (on average 1.4557296832639026) internal successors, (22015), 15123 states have internal predecessors, (22015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:36,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15124 states to 15124 states and 22015 transitions. [2024-10-24 01:43:36,559 INFO L78 Accepts]: Start accepts. Automaton has 15124 states and 22015 transitions. Word has length 75 [2024-10-24 01:43:36,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:36,559 INFO L471 AbstractCegarLoop]: Abstraction has 15124 states and 22015 transitions. [2024-10-24 01:43:36,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 13 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:36,560 INFO L276 IsEmpty]: Start isEmpty. Operand 15124 states and 22015 transitions. [2024-10-24 01:43:36,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-24 01:43:36,561 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:36,562 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:36,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-24 01:43:36,562 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:36,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:36,563 INFO L85 PathProgramCache]: Analyzing trace with hash 661817843, now seen corresponding path program 1 times [2024-10-24 01:43:36,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:36,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877694756] [2024-10-24 01:43:36,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:36,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:36,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:36,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:36,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877694756] [2024-10-24 01:43:36,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877694756] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:36,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:36,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:43:36,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273331307] [2024-10-24 01:43:36,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:36,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 01:43:36,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:36,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 01:43:36,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:43:36,637 INFO L87 Difference]: Start difference. First operand 15124 states and 22015 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:36,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:36,839 INFO L93 Difference]: Finished difference Result 57957 states and 85099 transitions. [2024-10-24 01:43:36,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 01:43:36,839 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2024-10-24 01:43:36,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:36,882 INFO L225 Difference]: With dead ends: 57957 [2024-10-24 01:43:36,882 INFO L226 Difference]: Without dead ends: 44003 [2024-10-24 01:43:36,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:43:36,901 INFO L432 NwaCegarLoop]: 1116 mSDtfsCounter, 3764 mSDsluCounter, 1423 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3764 SdHoareTripleChecker+Valid, 2539 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:36,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3764 Valid, 2539 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:43:36,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44003 states. [2024-10-24 01:43:37,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44003 to 28326. [2024-10-24 01:43:37,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28326 states, 28325 states have (on average 1.4480847308031775) internal successors, (41017), 28325 states have internal predecessors, (41017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:37,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28326 states to 28326 states and 41017 transitions. [2024-10-24 01:43:37,233 INFO L78 Accepts]: Start accepts. Automaton has 28326 states and 41017 transitions. Word has length 75 [2024-10-24 01:43:37,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:37,234 INFO L471 AbstractCegarLoop]: Abstraction has 28326 states and 41017 transitions. [2024-10-24 01:43:37,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:37,234 INFO L276 IsEmpty]: Start isEmpty. Operand 28326 states and 41017 transitions. [2024-10-24 01:43:37,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 01:43:37,236 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:37,237 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:37,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-24 01:43:37,237 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:37,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:37,237 INFO L85 PathProgramCache]: Analyzing trace with hash 22124065, now seen corresponding path program 1 times [2024-10-24 01:43:37,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:37,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526247949] [2024-10-24 01:43:37,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:37,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:37,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:37,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:37,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526247949] [2024-10-24 01:43:37,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526247949] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:37,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:37,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 01:43:37,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178471350] [2024-10-24 01:43:37,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:37,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 01:43:37,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:37,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 01:43:37,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-24 01:43:37,601 INFO L87 Difference]: Start difference. First operand 28326 states and 41017 transitions. Second operand has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:38,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:38,830 INFO L93 Difference]: Finished difference Result 85867 states and 124131 transitions. [2024-10-24 01:43:38,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 01:43:38,830 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-10-24 01:43:38,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:38,937 INFO L225 Difference]: With dead ends: 85867 [2024-10-24 01:43:38,937 INFO L226 Difference]: Without dead ends: 85802 [2024-10-24 01:43:38,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-10-24 01:43:38,968 INFO L432 NwaCegarLoop]: 1005 mSDtfsCounter, 8322 mSDsluCounter, 5375 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8322 SdHoareTripleChecker+Valid, 6380 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:38,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8322 Valid, 6380 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1170 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:43:39,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85802 states. [2024-10-24 01:43:39,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85802 to 28325. [2024-10-24 01:43:39,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28325 states, 28324 states have (on average 1.4480652450218896) internal successors, (41015), 28324 states have internal predecessors, (41015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:39,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28325 states to 28325 states and 41015 transitions. [2024-10-24 01:43:39,486 INFO L78 Accepts]: Start accepts. Automaton has 28325 states and 41015 transitions. Word has length 76 [2024-10-24 01:43:39,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:39,486 INFO L471 AbstractCegarLoop]: Abstraction has 28325 states and 41015 transitions. [2024-10-24 01:43:39,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:39,486 INFO L276 IsEmpty]: Start isEmpty. Operand 28325 states and 41015 transitions. [2024-10-24 01:43:39,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 01:43:39,489 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:39,489 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:39,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-24 01:43:39,489 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:39,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:39,489 INFO L85 PathProgramCache]: Analyzing trace with hash 839549454, now seen corresponding path program 1 times [2024-10-24 01:43:39,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:39,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814567513] [2024-10-24 01:43:39,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:39,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:39,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:39,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:39,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814567513] [2024-10-24 01:43:39,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814567513] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:39,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:39,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 01:43:39,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359555211] [2024-10-24 01:43:39,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:39,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 01:43:39,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:39,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 01:43:39,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-10-24 01:43:39,913 INFO L87 Difference]: Start difference. First operand 28325 states and 41015 transitions. Second operand has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:41,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:41,117 INFO L93 Difference]: Finished difference Result 67024 states and 96826 transitions. [2024-10-24 01:43:41,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 01:43:41,118 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-10-24 01:43:41,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:41,188 INFO L225 Difference]: With dead ends: 67024 [2024-10-24 01:43:41,188 INFO L226 Difference]: Without dead ends: 66934 [2024-10-24 01:43:41,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=180, Invalid=576, Unknown=0, NotChecked=0, Total=756 [2024-10-24 01:43:41,211 INFO L432 NwaCegarLoop]: 1120 mSDtfsCounter, 6192 mSDsluCounter, 8811 mSDsCounter, 0 mSdLazyCounter, 1624 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6192 SdHoareTripleChecker+Valid, 9931 SdHoareTripleChecker+Invalid, 1634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:41,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6192 Valid, 9931 Invalid, 1634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1624 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 01:43:41,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66934 states. [2024-10-24 01:43:41,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66934 to 28299. [2024-10-24 01:43:41,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28299 states, 28298 states have (on average 1.4481942186726977) internal successors, (40981), 28298 states have internal predecessors, (40981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:41,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28299 states to 28299 states and 40981 transitions. [2024-10-24 01:43:41,636 INFO L78 Accepts]: Start accepts. Automaton has 28299 states and 40981 transitions. Word has length 76 [2024-10-24 01:43:41,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:41,636 INFO L471 AbstractCegarLoop]: Abstraction has 28299 states and 40981 transitions. [2024-10-24 01:43:41,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 13 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:41,636 INFO L276 IsEmpty]: Start isEmpty. Operand 28299 states and 40981 transitions. [2024-10-24 01:43:41,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 01:43:41,638 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:41,639 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:41,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-24 01:43:41,639 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:41,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:41,639 INFO L85 PathProgramCache]: Analyzing trace with hash 941593760, now seen corresponding path program 1 times [2024-10-24 01:43:41,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:41,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398857188] [2024-10-24 01:43:41,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:41,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:41,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:41,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:41,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398857188] [2024-10-24 01:43:41,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398857188] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:41,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:41,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 01:43:41,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30819799] [2024-10-24 01:43:41,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:41,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 01:43:41,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:41,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 01:43:41,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-24 01:43:41,970 INFO L87 Difference]: Start difference. First operand 28299 states and 40981 transitions. Second operand has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:43,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:43,010 INFO L93 Difference]: Finished difference Result 85813 states and 124065 transitions. [2024-10-24 01:43:43,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-24 01:43:43,011 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-10-24 01:43:43,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:43,097 INFO L225 Difference]: With dead ends: 85813 [2024-10-24 01:43:43,097 INFO L226 Difference]: Without dead ends: 85748 [2024-10-24 01:43:43,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=176, Invalid=526, Unknown=0, NotChecked=0, Total=702 [2024-10-24 01:43:43,121 INFO L432 NwaCegarLoop]: 953 mSDtfsCounter, 6842 mSDsluCounter, 6571 mSDsCounter, 0 mSdLazyCounter, 1272 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6842 SdHoareTripleChecker+Valid, 7524 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:43,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6842 Valid, 7524 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1272 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 01:43:43,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85748 states. [2024-10-24 01:43:43,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85748 to 28298. [2024-10-24 01:43:43,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28298 states, 28297 states have (on average 1.4481747181680036) internal successors, (40979), 28297 states have internal predecessors, (40979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:43,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28298 states to 28298 states and 40979 transitions. [2024-10-24 01:43:43,597 INFO L78 Accepts]: Start accepts. Automaton has 28298 states and 40979 transitions. Word has length 76 [2024-10-24 01:43:43,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:43,597 INFO L471 AbstractCegarLoop]: Abstraction has 28298 states and 40979 transitions. [2024-10-24 01:43:43,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:43,597 INFO L276 IsEmpty]: Start isEmpty. Operand 28298 states and 40979 transitions. [2024-10-24 01:43:43,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 01:43:43,599 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:43,600 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:43,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-24 01:43:43,600 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:43,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:43,600 INFO L85 PathProgramCache]: Analyzing trace with hash 814993886, now seen corresponding path program 1 times [2024-10-24 01:43:43,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:43,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214322833] [2024-10-24 01:43:43,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:43,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:44,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:44,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:44,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214322833] [2024-10-24 01:43:44,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214322833] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:44,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:44,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-10-24 01:43:44,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489924492] [2024-10-24 01:43:44,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:44,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-24 01:43:44,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:44,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-24 01:43:44,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2024-10-24 01:43:44,384 INFO L87 Difference]: Start difference. First operand 28298 states and 40979 transitions. Second operand has 22 states, 22 states have (on average 3.4545454545454546) internal successors, (76), 21 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:47,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:47,264 INFO L93 Difference]: Finished difference Result 40497 states and 58424 transitions. [2024-10-24 01:43:47,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-24 01:43:47,264 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.4545454545454546) internal successors, (76), 21 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-10-24 01:43:47,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:47,305 INFO L225 Difference]: With dead ends: 40497 [2024-10-24 01:43:47,305 INFO L226 Difference]: Without dead ends: 40430 [2024-10-24 01:43:47,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=300, Invalid=1260, Unknown=0, NotChecked=0, Total=1560 [2024-10-24 01:43:47,320 INFO L432 NwaCegarLoop]: 1001 mSDtfsCounter, 9462 mSDsluCounter, 11136 mSDsCounter, 0 mSdLazyCounter, 4088 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9462 SdHoareTripleChecker+Valid, 12137 SdHoareTripleChecker+Invalid, 4093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:47,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9462 Valid, 12137 Invalid, 4093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4088 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-24 01:43:47,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40430 states. [2024-10-24 01:43:47,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40430 to 28310. [2024-10-24 01:43:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28310 states, 28309 states have (on average 1.4480553887456287) internal successors, (40993), 28309 states have internal predecessors, (40993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:47,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28310 states to 28310 states and 40993 transitions. [2024-10-24 01:43:47,637 INFO L78 Accepts]: Start accepts. Automaton has 28310 states and 40993 transitions. Word has length 76 [2024-10-24 01:43:47,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:47,637 INFO L471 AbstractCegarLoop]: Abstraction has 28310 states and 40993 transitions. [2024-10-24 01:43:47,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.4545454545454546) internal successors, (76), 21 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:47,637 INFO L276 IsEmpty]: Start isEmpty. Operand 28310 states and 40993 transitions. [2024-10-24 01:43:47,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 01:43:47,641 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:47,641 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:47,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-24 01:43:47,641 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:47,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:47,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1391764477, now seen corresponding path program 1 times [2024-10-24 01:43:47,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:47,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492431739] [2024-10-24 01:43:47,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:47,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:47,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:47,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:47,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492431739] [2024-10-24 01:43:47,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492431739] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:47,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:47,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:43:47,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471710178] [2024-10-24 01:43:47,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:47,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 01:43:47,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:47,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 01:43:47,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:43:47,729 INFO L87 Difference]: Start difference. First operand 28310 states and 40993 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:47,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:47,906 INFO L93 Difference]: Finished difference Result 47798 states and 69247 transitions. [2024-10-24 01:43:47,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 01:43:47,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2024-10-24 01:43:47,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:47,928 INFO L225 Difference]: With dead ends: 47798 [2024-10-24 01:43:47,928 INFO L226 Difference]: Without dead ends: 20603 [2024-10-24 01:43:47,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:43:47,946 INFO L432 NwaCegarLoop]: 1059 mSDtfsCounter, 1717 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1717 SdHoareTripleChecker+Valid, 1888 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:47,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1717 Valid, 1888 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:43:48,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20603 states. [2024-10-24 01:43:48,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20603 to 20597. [2024-10-24 01:43:48,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20597 states, 20596 states have (on average 1.4333851233249175) internal successors, (29522), 20596 states have internal predecessors, (29522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:48,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20597 states to 20597 states and 29522 transitions. [2024-10-24 01:43:48,270 INFO L78 Accepts]: Start accepts. Automaton has 20597 states and 29522 transitions. Word has length 76 [2024-10-24 01:43:48,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:48,270 INFO L471 AbstractCegarLoop]: Abstraction has 20597 states and 29522 transitions. [2024-10-24 01:43:48,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:48,270 INFO L276 IsEmpty]: Start isEmpty. Operand 20597 states and 29522 transitions. [2024-10-24 01:43:48,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-24 01:43:48,274 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:48,274 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:48,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-24 01:43:48,274 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:48,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:48,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1382030610, now seen corresponding path program 1 times [2024-10-24 01:43:48,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:48,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269860024] [2024-10-24 01:43:48,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:48,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:48,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:48,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:48,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269860024] [2024-10-24 01:43:48,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269860024] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:48,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:48,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 01:43:48,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135426978] [2024-10-24 01:43:48,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:48,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 01:43:48,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:48,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 01:43:48,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-24 01:43:48,630 INFO L87 Difference]: Start difference. First operand 20597 states and 29522 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:49,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:49,136 INFO L93 Difference]: Finished difference Result 31811 states and 45683 transitions. [2024-10-24 01:43:49,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 01:43:49,136 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-10-24 01:43:49,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:49,170 INFO L225 Difference]: With dead ends: 31811 [2024-10-24 01:43:49,171 INFO L226 Difference]: Without dead ends: 31703 [2024-10-24 01:43:49,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-10-24 01:43:49,181 INFO L432 NwaCegarLoop]: 888 mSDtfsCounter, 1870 mSDsluCounter, 5157 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1870 SdHoareTripleChecker+Valid, 6045 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:49,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1870 Valid, 6045 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 01:43:49,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31703 states. [2024-10-24 01:43:49,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31703 to 20553. [2024-10-24 01:43:49,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20553 states, 20552 states have (on average 1.4338263915920593) internal successors, (29468), 20552 states have internal predecessors, (29468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20553 states to 20553 states and 29468 transitions. [2024-10-24 01:43:49,403 INFO L78 Accepts]: Start accepts. Automaton has 20553 states and 29468 transitions. Word has length 77 [2024-10-24 01:43:49,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:49,403 INFO L471 AbstractCegarLoop]: Abstraction has 20553 states and 29468 transitions. [2024-10-24 01:43:49,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 10 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:49,403 INFO L276 IsEmpty]: Start isEmpty. Operand 20553 states and 29468 transitions. [2024-10-24 01:43:49,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-24 01:43:49,407 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:49,407 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:49,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-24 01:43:49,407 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:49,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:49,407 INFO L85 PathProgramCache]: Analyzing trace with hash -538079444, now seen corresponding path program 1 times [2024-10-24 01:43:49,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:49,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782303289] [2024-10-24 01:43:49,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:49,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:49,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:49,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:49,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782303289] [2024-10-24 01:43:49,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782303289] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:49,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:49,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:49,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932112600] [2024-10-24 01:43:49,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:49,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:49,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:49,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:49,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:49,475 INFO L87 Difference]: Start difference. First operand 20553 states and 29468 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:49,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:49,615 INFO L93 Difference]: Finished difference Result 58063 states and 83614 transitions. [2024-10-24 01:43:49,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:49,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-10-24 01:43:49,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:49,654 INFO L225 Difference]: With dead ends: 58063 [2024-10-24 01:43:49,654 INFO L226 Difference]: Without dead ends: 38581 [2024-10-24 01:43:49,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:49,676 INFO L432 NwaCegarLoop]: 1024 mSDtfsCounter, 527 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:49,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 1506 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:43:49,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38581 states. [2024-10-24 01:43:49,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38581 to 36627. [2024-10-24 01:43:49,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36627 states, 36626 states have (on average 1.4310599028012887) internal successors, (52414), 36626 states have internal predecessors, (52414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:50,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36627 states to 36627 states and 52414 transitions. [2024-10-24 01:43:50,163 INFO L78 Accepts]: Start accepts. Automaton has 36627 states and 52414 transitions. Word has length 77 [2024-10-24 01:43:50,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:50,163 INFO L471 AbstractCegarLoop]: Abstraction has 36627 states and 52414 transitions. [2024-10-24 01:43:50,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:50,164 INFO L276 IsEmpty]: Start isEmpty. Operand 36627 states and 52414 transitions. [2024-10-24 01:43:50,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-24 01:43:50,166 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:50,166 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:50,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-24 01:43:50,166 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:50,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:50,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1188561083, now seen corresponding path program 1 times [2024-10-24 01:43:50,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:50,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126195556] [2024-10-24 01:43:50,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:50,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:50,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:50,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:50,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126195556] [2024-10-24 01:43:50,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126195556] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:50,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:50,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:50,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961031303] [2024-10-24 01:43:50,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:50,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:50,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:50,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:50,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:50,229 INFO L87 Difference]: Start difference. First operand 36627 states and 52414 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:50,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:50,470 INFO L93 Difference]: Finished difference Result 104831 states and 150096 transitions. [2024-10-24 01:43:50,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:50,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-24 01:43:50,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:50,546 INFO L225 Difference]: With dead ends: 104831 [2024-10-24 01:43:50,546 INFO L226 Difference]: Without dead ends: 69275 [2024-10-24 01:43:50,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:50,585 INFO L432 NwaCegarLoop]: 1005 mSDtfsCounter, 411 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 1578 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:50,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 1578 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:43:50,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69275 states. [2024-10-24 01:43:51,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69275 to 65369. [2024-10-24 01:43:51,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65369 states, 65368 states have (on average 1.4227450740423448) internal successors, (93002), 65368 states have internal predecessors, (93002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:51,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65369 states to 65369 states and 93002 transitions. [2024-10-24 01:43:51,251 INFO L78 Accepts]: Start accepts. Automaton has 65369 states and 93002 transitions. Word has length 80 [2024-10-24 01:43:51,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:51,251 INFO L471 AbstractCegarLoop]: Abstraction has 65369 states and 93002 transitions. [2024-10-24 01:43:51,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:51,251 INFO L276 IsEmpty]: Start isEmpty. Operand 65369 states and 93002 transitions. [2024-10-24 01:43:51,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-24 01:43:51,253 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:51,253 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:51,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-24 01:43:51,253 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:51,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:51,254 INFO L85 PathProgramCache]: Analyzing trace with hash -813868810, now seen corresponding path program 1 times [2024-10-24 01:43:51,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:51,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861894514] [2024-10-24 01:43:51,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:51,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:51,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:51,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:51,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861894514] [2024-10-24 01:43:51,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861894514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:51,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:51,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:43:51,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585260644] [2024-10-24 01:43:51,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:51,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 01:43:51,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:51,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 01:43:51,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:43:51,395 INFO L87 Difference]: Start difference. First operand 65369 states and 93002 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:51,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:51,540 INFO L93 Difference]: Finished difference Result 69571 states and 98603 transitions. [2024-10-24 01:43:51,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 01:43:51,540 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-24 01:43:51,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:51,611 INFO L225 Difference]: With dead ends: 69571 [2024-10-24 01:43:51,611 INFO L226 Difference]: Without dead ends: 69569 [2024-10-24 01:43:51,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:43:51,634 INFO L432 NwaCegarLoop]: 976 mSDtfsCounter, 0 mSDsluCounter, 3897 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4873 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:51,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4873 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:43:51,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69569 states. [2024-10-24 01:43:52,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69569 to 69569. [2024-10-24 01:43:52,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69569 states, 69568 states have (on average 1.3972228610855566) internal successors, (97202), 69568 states have internal predecessors, (97202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:52,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69569 states to 69569 states and 97202 transitions. [2024-10-24 01:43:52,732 INFO L78 Accepts]: Start accepts. Automaton has 69569 states and 97202 transitions. Word has length 81 [2024-10-24 01:43:52,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:52,733 INFO L471 AbstractCegarLoop]: Abstraction has 69569 states and 97202 transitions. [2024-10-24 01:43:52,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:52,733 INFO L276 IsEmpty]: Start isEmpty. Operand 69569 states and 97202 transitions. [2024-10-24 01:43:52,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-24 01:43:52,735 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:52,735 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] [2024-10-24 01:43:52,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-10-24 01:43:52,735 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:52,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:52,736 INFO L85 PathProgramCache]: Analyzing trace with hash 542491448, now seen corresponding path program 1 times [2024-10-24 01:43:52,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:52,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11056806] [2024-10-24 01:43:52,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:52,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:52,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:52,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:52,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11056806] [2024-10-24 01:43:52,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11056806] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:52,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:52,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:52,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160944368] [2024-10-24 01:43:52,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:52,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:52,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:52,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:52,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:52,783 INFO L87 Difference]: Start difference. First operand 69569 states and 97202 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:53,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:53,504 INFO L93 Difference]: Finished difference Result 195187 states and 272805 transitions. [2024-10-24 01:43:53,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:53,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2024-10-24 01:43:53,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:53,663 INFO L225 Difference]: With dead ends: 195187 [2024-10-24 01:43:53,664 INFO L226 Difference]: Without dead ends: 126651 [2024-10-24 01:43:53,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:53,699 INFO L432 NwaCegarLoop]: 935 mSDtfsCounter, 478 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 1469 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:53,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 1469 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:43:53,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126651 states. [2024-10-24 01:43:55,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126651 to 125249. [2024-10-24 01:43:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125249 states, 125248 states have (on average 1.3777146142054164) internal successors, (172556), 125248 states have internal predecessors, (172556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:55,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125249 states to 125249 states and 172556 transitions. [2024-10-24 01:43:55,491 INFO L78 Accepts]: Start accepts. Automaton has 125249 states and 172556 transitions. Word has length 82 [2024-10-24 01:43:55,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:55,492 INFO L471 AbstractCegarLoop]: Abstraction has 125249 states and 172556 transitions. [2024-10-24 01:43:55,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:55,496 INFO L276 IsEmpty]: Start isEmpty. Operand 125249 states and 172556 transitions. [2024-10-24 01:43:55,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-24 01:43:55,500 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:55,500 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:55,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-10-24 01:43:55,501 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:55,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:55,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1677678487, now seen corresponding path program 1 times [2024-10-24 01:43:55,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:55,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857075460] [2024-10-24 01:43:55,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:55,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:55,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:55,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:55,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857075460] [2024-10-24 01:43:55,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857075460] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:55,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:55,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:43:55,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717598379] [2024-10-24 01:43:55,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:55,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 01:43:55,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:55,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 01:43:55,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 01:43:55,620 INFO L87 Difference]: Start difference. First operand 125249 states and 172556 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:56,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:56,451 INFO L93 Difference]: Finished difference Result 248244 states and 342634 transitions. [2024-10-24 01:43:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 01:43:56,451 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2024-10-24 01:43:56,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:43:56,695 INFO L225 Difference]: With dead ends: 248244 [2024-10-24 01:43:56,695 INFO L226 Difference]: Without dead ends: 210934 [2024-10-24 01:43:56,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-24 01:43:56,743 INFO L432 NwaCegarLoop]: 1007 mSDtfsCounter, 2901 mSDsluCounter, 1488 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2901 SdHoareTripleChecker+Valid, 2495 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 01:43:56,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2901 Valid, 2495 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 01:43:56,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210934 states. [2024-10-24 01:43:58,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210934 to 158721. [2024-10-24 01:43:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158721 states, 158720 states have (on average 1.374420362903226) internal successors, (218148), 158720 states have internal predecessors, (218148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:59,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158721 states to 158721 states and 218148 transitions. [2024-10-24 01:43:59,114 INFO L78 Accepts]: Start accepts. Automaton has 158721 states and 218148 transitions. Word has length 84 [2024-10-24 01:43:59,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:43:59,114 INFO L471 AbstractCegarLoop]: Abstraction has 158721 states and 218148 transitions. [2024-10-24 01:43:59,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:59,115 INFO L276 IsEmpty]: Start isEmpty. Operand 158721 states and 218148 transitions. [2024-10-24 01:43:59,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-24 01:43:59,118 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:43:59,118 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 01:43:59,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-10-24 01:43:59,118 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:43:59,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:43:59,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1116201359, now seen corresponding path program 1 times [2024-10-24 01:43:59,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:43:59,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564152453] [2024-10-24 01:43:59,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:43:59,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:43:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:43:59,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:43:59,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:43:59,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564152453] [2024-10-24 01:43:59,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564152453] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:43:59,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:43:59,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 01:43:59,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593008456] [2024-10-24 01:43:59,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:43:59,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 01:43:59,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:43:59,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 01:43:59,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:43:59,515 INFO L87 Difference]: Start difference. First operand 158721 states and 218148 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:43:59,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:43:59,933 INFO L93 Difference]: Finished difference Result 194437 states and 266478 transitions. [2024-10-24 01:43:59,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 01:43:59,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-10-24 01:43:59,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:44:00,077 INFO L225 Difference]: With dead ends: 194437 [2024-10-24 01:44:00,077 INFO L226 Difference]: Without dead ends: 123011 [2024-10-24 01:44:00,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 01:44:00,140 INFO L432 NwaCegarLoop]: 1006 mSDtfsCounter, 393 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 01:44:00,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 1641 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 01:44:00,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123011 states. [2024-10-24 01:44:01,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123011 to 122265. [2024-10-24 01:44:01,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122265 states, 122264 states have (on average 1.3521887064058105) internal successors, (165324), 122264 states have internal predecessors, (165324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:01,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122265 states to 122265 states and 165324 transitions. [2024-10-24 01:44:01,895 INFO L78 Accepts]: Start accepts. Automaton has 122265 states and 165324 transitions. Word has length 87 [2024-10-24 01:44:01,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 01:44:01,895 INFO L471 AbstractCegarLoop]: Abstraction has 122265 states and 165324 transitions. [2024-10-24 01:44:01,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:01,895 INFO L276 IsEmpty]: Start isEmpty. Operand 122265 states and 165324 transitions. [2024-10-24 01:44:01,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-24 01:44:01,899 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 01:44:01,899 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] [2024-10-24 01:44:01,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-10-24 01:44:01,899 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-10-24 01:44:01,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 01:44:01,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1178562915, now seen corresponding path program 1 times [2024-10-24 01:44:01,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 01:44:01,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209595023] [2024-10-24 01:44:01,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 01:44:01,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 01:44:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 01:44:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 01:44:02,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 01:44:02,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209595023] [2024-10-24 01:44:02,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209595023] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 01:44:02,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 01:44:02,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 01:44:02,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969301576] [2024-10-24 01:44:02,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 01:44:02,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 01:44:02,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 01:44:02,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 01:44:02,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 01:44:02,018 INFO L87 Difference]: Start difference. First operand 122265 states and 165324 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 01:44:03,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 01:44:03,552 INFO L93 Difference]: Finished difference Result 281845 states and 383358 transitions. [2024-10-24 01:44:03,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 01:44:03,552 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-10-24 01:44:03,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 01:44:03,842 INFO L225 Difference]: With dead ends: 281845 [2024-10-24 01:44:03,842 INFO L226 Difference]: Without dead ends: 224051 [2024-10-24 01:44:03,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-10-24 01:44:03,914 INFO L432 NwaCegarLoop]: 481 mSDtfsCounter, 4296 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4296 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 1296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 01:44:03,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4296 Valid, 1193 Invalid, 1296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 01:44:04,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224051 states.