./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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 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.6.ufo.BOUNDED-12.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 d8e58e4dd7f21a353342bc0a492b99ed688619f4c3decc3151bb6acbb6daeee1 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 03:59:45,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 03:59:45,362 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 03:59:45,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 03:59:45,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 03:59:45,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 03:59:45,387 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 03:59:45,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 03:59:45,388 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 03:59:45,388 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 03:59:45,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 03:59:45,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 03:59:45,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 03:59:45,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 03:59:45,389 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 03:59:45,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 03:59:45,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 03:59:45,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 03:59:45,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 03:59:45,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 03:59:45,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 03:59:45,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 03:59:45,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 03:59:45,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 03:59:45,394 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 03:59:45,394 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 03:59:45,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 03:59:45,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 03:59:45,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 03:59:45,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 03:59:45,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 03:59:45,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 03:59:45,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:59:45,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 03:59:45,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 03:59:45,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 03:59:45,396 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 03:59:45,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 03:59:45,396 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 03:59:45,396 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 03:59:45,396 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 03:59:45,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 03:59:45,397 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8e58e4dd7f21a353342bc0a492b99ed688619f4c3decc3151bb6acbb6daeee1 [2024-10-14 03:59:45,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 03:59:45,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 03:59:45,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 03:59:45,625 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 03:59:45,626 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 03:59:45,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c [2024-10-14 03:59:46,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 03:59:47,128 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 03:59:47,130 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c [2024-10-14 03:59:47,166 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99ba1bbe2/0e151c37c92e4dc09314706a3c2e9c7f/FLAG653c1ecbe [2024-10-14 03:59:47,178 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99ba1bbe2/0e151c37c92e4dc09314706a3c2e9c7f [2024-10-14 03:59:47,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 03:59:47,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 03:59:47,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 03:59:47,184 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 03:59:47,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 03:59:47,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:59:47" (1/1) ... [2024-10-14 03:59:47,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af16e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:47, skipping insertion in model container [2024-10-14 03:59:47,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:59:47" (1/1) ... [2024-10-14 03:59:47,339 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 03:59:47,828 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[80190,80203] [2024-10-14 03:59:47,938 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[115653,115666] [2024-10-14 03:59:47,978 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[133417,133430] [2024-10-14 03:59:48,004 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[142316,142329] [2024-10-14 03:59:48,017 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[146749,146762] [2024-10-14 03:59:48,026 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[151062,151075] [2024-10-14 03:59:48,087 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[185818,185831] [2024-10-14 03:59:48,116 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[203409,203422] [2024-10-14 03:59:48,152 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[212345,212358] [2024-10-14 03:59:48,160 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[216815,216828] [2024-10-14 03:59:48,171 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[221165,221178] [2024-10-14 03:59:48,203 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[240022,240035] [2024-10-14 03:59:48,216 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[248958,248971] [2024-10-14 03:59:48,228 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[253428,253441] [2024-10-14 03:59:48,235 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[257778,257791] [2024-10-14 03:59:48,243 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[262743,262756] [2024-10-14 03:59:48,249 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[267102,267115] [2024-10-14 03:59:48,256 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[271572,271585] [2024-10-14 03:59:48,266 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[275922,275935] [2024-10-14 03:59:48,274 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[280508,280521] [2024-10-14 03:59:48,281 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[285025,285038] [2024-10-14 03:59:48,289 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[289491,289504] [2024-10-14 03:59:48,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:59:48,343 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 03:59:48,468 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[80190,80203] [2024-10-14 03:59:48,513 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[115653,115666] [2024-10-14 03:59:48,535 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[133417,133430] [2024-10-14 03:59:48,547 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[142316,142329] [2024-10-14 03:59:48,553 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[146749,146762] [2024-10-14 03:59:48,559 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[151062,151075] [2024-10-14 03:59:48,642 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[185818,185831] [2024-10-14 03:59:48,663 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[203409,203422] [2024-10-14 03:59:48,675 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[212345,212358] [2024-10-14 03:59:48,681 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[216815,216828] [2024-10-14 03:59:48,689 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[221165,221178] [2024-10-14 03:59:48,712 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[240022,240035] [2024-10-14 03:59:48,725 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[248958,248971] [2024-10-14 03:59:48,731 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[253428,253441] [2024-10-14 03:59:48,738 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[257778,257791] [2024-10-14 03:59:48,745 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[262743,262756] [2024-10-14 03:59:48,750 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[267102,267115] [2024-10-14 03:59:48,756 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[271572,271585] [2024-10-14 03:59:48,762 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[275922,275935] [2024-10-14 03:59:48,769 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[280508,280521] [2024-10-14 03:59:48,775 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[285025,285038] [2024-10-14 03:59:48,782 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.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c[289491,289504] [2024-10-14 03:59:48,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 03:59:48,828 INFO L204 MainTranslator]: Completed translation [2024-10-14 03:59:48,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:48 WrapperNode [2024-10-14 03:59:48,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 03:59:48,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 03:59:48,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 03:59:48,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 03:59:48,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:48" (1/1) ... [2024-10-14 03:59:48,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:48" (1/1) ... [2024-10-14 03:59:49,062 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13233 [2024-10-14 03:59:49,063 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 03:59:49,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 03:59:49,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 03:59:49,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 03:59:49,073 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:48" (1/1) ... [2024-10-14 03:59:49,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:48" (1/1) ... [2024-10-14 03:59:49,096 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:48" (1/1) ... [2024-10-14 03:59:49,194 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]. [2024-10-14 03:59:49,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:48" (1/1) ... [2024-10-14 03:59:49,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:48" (1/1) ... [2024-10-14 03:59:49,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:48" (1/1) ... [2024-10-14 03:59:49,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:48" (1/1) ... [2024-10-14 03:59:49,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:48" (1/1) ... [2024-10-14 03:59:49,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:48" (1/1) ... [2024-10-14 03:59:49,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 03:59:49,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 03:59:49,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 03:59:49,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 03:59:49,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:48" (1/1) ... [2024-10-14 03:59:49,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 03:59:49,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 03:59:49,415 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) [2024-10-14 03:59:49,418 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 [2024-10-14 03:59:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 03:59:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 03:59:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 03:59:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 03:59:49,733 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 03:59:49,735 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 03:59:53,951 INFO L? ?]: Removed 2736 outVars from TransFormulas that were not future-live. [2024-10-14 03:59:53,952 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 03:59:54,044 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 03:59:54,044 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 03:59:54,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:59:54 BoogieIcfgContainer [2024-10-14 03:59:54,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 03:59:54,046 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 03:59:54,047 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 03:59:54,050 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 03:59:54,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:59:47" (1/3) ... [2024-10-14 03:59:54,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee4d595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:59:54, skipping insertion in model container [2024-10-14 03:59:54,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:59:48" (2/3) ... [2024-10-14 03:59:54,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee4d595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:59:54, skipping insertion in model container [2024-10-14 03:59:54,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:59:54" (3/3) ... [2024-10-14 03:59:54,053 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.BOUNDED-12.pals.c.v+sep-reducer.c [2024-10-14 03:59:54,065 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 03:59:54,066 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-10-14 03:59:54,182 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 03:59:54,187 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;@59ab41f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 03:59:54,188 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-10-14 03:59:54,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 2539 states, 2516 states have (on average 1.7595389507154213) internal successors, (4427), 2538 states have internal predecessors, (4427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:59:54,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-14 03:59:54,231 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:59:54,232 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] [2024-10-14 03:59:54,233 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 03:59:54,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:59:54,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1286229050, now seen corresponding path program 1 times [2024-10-14 03:59:54,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:59:54,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183869115] [2024-10-14 03:59:54,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:59:54,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:59:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:59:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:59:54,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:59:54,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183869115] [2024-10-14 03:59:54,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183869115] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:59:54,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:59:54,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:59:54,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262416824] [2024-10-14 03:59:54,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:59:54,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:59:54,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:59:54,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:59:54,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:59:54,905 INFO L87 Difference]: Start difference. First operand has 2539 states, 2516 states have (on average 1.7595389507154213) internal successors, (4427), 2538 states have internal predecessors, (4427), 0 states have call successors, (0), 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 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:59:56,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:59:56,278 INFO L93 Difference]: Finished difference Result 3025 states and 5200 transitions. [2024-10-14 03:59:56,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:59:56,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-10-14 03:59:56,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:59:56,295 INFO L225 Difference]: With dead ends: 3025 [2024-10-14 03:59:56,296 INFO L226 Difference]: Without dead ends: 1765 [2024-10-14 03:59:56,301 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 [2024-10-14 03:59:56,303 INFO L432 NwaCegarLoop]: 1672 mSDtfsCounter, 8891 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8891 SdHoareTripleChecker+Valid, 1712 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 03:59:56,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8891 Valid, 1712 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 03:59:56,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2024-10-14 03:59:56,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1765. [2024-10-14 03:59:56,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1765 states, 1743 states have (on average 1.2948938611589214) internal successors, (2257), 1764 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:59:56,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1765 states and 2257 transitions. [2024-10-14 03:59:56,388 INFO L78 Accepts]: Start accepts. Automaton has 1765 states and 2257 transitions. Word has length 86 [2024-10-14 03:59:56,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:59:56,389 INFO L471 AbstractCegarLoop]: Abstraction has 1765 states and 2257 transitions. [2024-10-14 03:59:56,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:59:56,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2257 transitions. [2024-10-14 03:59:56,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-14 03:59:56,394 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:59:56,394 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] [2024-10-14 03:59:56,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 03:59:56,394 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 03:59:56,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:59:56,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1719768578, now seen corresponding path program 1 times [2024-10-14 03:59:56,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:59:56,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549160015] [2024-10-14 03:59:56,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:59:56,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:59:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:59:56,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:59:56,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:59:56,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549160015] [2024-10-14 03:59:56,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549160015] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:59:56,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:59:56,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:59:56,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952559803] [2024-10-14 03:59:56,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:59:56,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:59:56,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:59:56,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:59:56,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:59:56,654 INFO L87 Difference]: Start difference. First operand 1765 states and 2257 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:59:57,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:59:57,728 INFO L93 Difference]: Finished difference Result 2485 states and 3200 transitions. [2024-10-14 03:59:57,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:59:57,729 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-10-14 03:59:57,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:59:57,734 INFO L225 Difference]: With dead ends: 2485 [2024-10-14 03:59:57,734 INFO L226 Difference]: Without dead ends: 1637 [2024-10-14 03:59:57,735 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 [2024-10-14 03:59:57,739 INFO L432 NwaCegarLoop]: 945 mSDtfsCounter, 6201 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6201 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 03:59:57,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6201 Valid, 989 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1169 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 03:59:57,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2024-10-14 03:59:57,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1637. [2024-10-14 03:59:57,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1637 states, 1615 states have (on average 1.3077399380804953) internal successors, (2112), 1636 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:59:57,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2112 transitions. [2024-10-14 03:59:57,769 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2112 transitions. Word has length 86 [2024-10-14 03:59:57,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:59:57,771 INFO L471 AbstractCegarLoop]: Abstraction has 1637 states and 2112 transitions. [2024-10-14 03:59:57,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:59:57,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2112 transitions. [2024-10-14 03:59:57,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-14 03:59:57,775 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:59:57,775 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] [2024-10-14 03:59:57,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 03:59:57,777 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 03:59:57,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:59:57,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1685761605, now seen corresponding path program 1 times [2024-10-14 03:59:57,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:59:57,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454007861] [2024-10-14 03:59:57,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:59:57,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:59:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:59:57,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:59:57,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:59:57,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454007861] [2024-10-14 03:59:57,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454007861] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:59:57,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:59:57,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:59:57,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368258653] [2024-10-14 03:59:57,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:59:57,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:59:57,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:59:57,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:59:57,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:59:57,944 INFO L87 Difference]: Start difference. First operand 1637 states and 2112 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:59:58,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:59:58,622 INFO L93 Difference]: Finished difference Result 2213 states and 2862 transitions. [2024-10-14 03:59:58,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:59:58,623 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-10-14 03:59:58,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:59:58,627 INFO L225 Difference]: With dead ends: 2213 [2024-10-14 03:59:58,627 INFO L226 Difference]: Without dead ends: 1381 [2024-10-14 03:59:58,628 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 [2024-10-14 03:59:58,628 INFO L432 NwaCegarLoop]: 891 mSDtfsCounter, 5328 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5328 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 03:59:58,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5328 Valid, 903 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 03:59:58,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2024-10-14 03:59:58,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1381. [2024-10-14 03:59:58,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1381 states, 1359 states have (on average 1.3237674760853568) internal successors, (1799), 1380 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:59:58,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1799 transitions. [2024-10-14 03:59:58,645 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1799 transitions. Word has length 86 [2024-10-14 03:59:58,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:59:58,645 INFO L471 AbstractCegarLoop]: Abstraction has 1381 states and 1799 transitions. [2024-10-14 03:59:58,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:59:58,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1799 transitions. [2024-10-14 03:59:58,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-14 03:59:58,647 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:59:58,648 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:59:58,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 03:59:58,648 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 03:59:58,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:59:58,649 INFO L85 PathProgramCache]: Analyzing trace with hash -518082489, now seen corresponding path program 1 times [2024-10-14 03:59:58,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:59:58,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363917275] [2024-10-14 03:59:58,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:59:58,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:59:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:59:58,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:59:58,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:59:58,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363917275] [2024-10-14 03:59:58,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363917275] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:59:58,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:59:58,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:59:58,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676780693] [2024-10-14 03:59:58,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:59:58,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:59:58,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:59:58,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:59:58,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:59:58,837 INFO L87 Difference]: Start difference. First operand 1381 states and 1799 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:59:59,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:59:59,363 INFO L93 Difference]: Finished difference Result 2004 states and 2623 transitions. [2024-10-14 03:59:59,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:59:59,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2024-10-14 03:59:59,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:59:59,367 INFO L225 Difference]: With dead ends: 2004 [2024-10-14 03:59:59,367 INFO L226 Difference]: Without dead ends: 1286 [2024-10-14 03:59:59,368 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 [2024-10-14 03:59:59,368 INFO L432 NwaCegarLoop]: 854 mSDtfsCounter, 5006 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5006 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 03:59:59,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5006 Valid, 858 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 03:59:59,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2024-10-14 03:59:59,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1286. [2024-10-14 03:59:59,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1286 states, 1264 states have (on average 1.3346518987341771) internal successors, (1687), 1285 states have internal predecessors, (1687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:59:59,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1687 transitions. [2024-10-14 03:59:59,386 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1687 transitions. Word has length 88 [2024-10-14 03:59:59,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 03:59:59,387 INFO L471 AbstractCegarLoop]: Abstraction has 1286 states and 1687 transitions. [2024-10-14 03:59:59,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:59:59,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1687 transitions. [2024-10-14 03:59:59,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-14 03:59:59,389 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 03:59:59,390 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 03:59:59,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 03:59:59,391 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 03:59:59,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 03:59:59,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1951557911, now seen corresponding path program 1 times [2024-10-14 03:59:59,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 03:59:59,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214311130] [2024-10-14 03:59:59,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 03:59:59,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 03:59:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 03:59:59,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 03:59:59,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 03:59:59,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214311130] [2024-10-14 03:59:59,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214311130] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 03:59:59,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 03:59:59,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 03:59:59,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160510934] [2024-10-14 03:59:59,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 03:59:59,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 03:59:59,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 03:59:59,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 03:59:59,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 03:59:59,577 INFO L87 Difference]: Start difference. First operand 1286 states and 1687 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 03:59:59,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 03:59:59,994 INFO L93 Difference]: Finished difference Result 1622 states and 2099 transitions. [2024-10-14 03:59:59,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 03:59:59,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2024-10-14 03:59:59,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 03:59:59,997 INFO L225 Difference]: With dead ends: 1622 [2024-10-14 03:59:59,997 INFO L226 Difference]: Without dead ends: 991 [2024-10-14 03:59:59,998 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 [2024-10-14 03:59:59,999 INFO L432 NwaCegarLoop]: 655 mSDtfsCounter, 3797 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3797 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 03:59:59,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3797 Valid, 683 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 04:00:00,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2024-10-14 04:00:00,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2024-10-14 04:00:00,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 969 states have (on average 1.3405572755417956) internal successors, (1299), 990 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:00,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1299 transitions. [2024-10-14 04:00:00,011 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1299 transitions. Word has length 90 [2024-10-14 04:00:00,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:00,012 INFO L471 AbstractCegarLoop]: Abstraction has 991 states and 1299 transitions. [2024-10-14 04:00:00,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:00,012 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1299 transitions. [2024-10-14 04:00:00,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-10-14 04:00:00,013 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:00,013 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:00,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 04:00:00,014 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:00,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:00,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1685476223, now seen corresponding path program 1 times [2024-10-14 04:00:00,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:00,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562282442] [2024-10-14 04:00:00,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:00,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:00,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:00,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:00,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562282442] [2024-10-14 04:00:00,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562282442] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:00,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:00,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 04:00:00,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277792986] [2024-10-14 04:00:00,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:00,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 04:00:00,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:00,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 04:00:00,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 04:00:00,150 INFO L87 Difference]: Start difference. First operand 991 states and 1299 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:00,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:00,456 INFO L93 Difference]: Finished difference Result 1181 states and 1516 transitions. [2024-10-14 04:00:00,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 04:00:00,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2024-10-14 04:00:00,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:00,459 INFO L225 Difference]: With dead ends: 1181 [2024-10-14 04:00:00,459 INFO L226 Difference]: Without dead ends: 701 [2024-10-14 04:00:00,460 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 [2024-10-14 04:00:00,460 INFO L432 NwaCegarLoop]: 494 mSDtfsCounter, 2631 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2631 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:00,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2631 Valid, 530 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 04:00:00,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2024-10-14 04:00:00,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 701. [2024-10-14 04:00:00,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 679 states have (on average 1.346097201767305) internal successors, (914), 700 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:00,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 914 transitions. [2024-10-14 04:00:00,468 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 914 transitions. Word has length 92 [2024-10-14 04:00:00,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:00,468 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 914 transitions. [2024-10-14 04:00:00,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:00,468 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 914 transitions. [2024-10-14 04:00:00,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:00,469 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:00,469 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:00,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 04:00:00,470 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:00,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:00,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1346771176, now seen corresponding path program 1 times [2024-10-14 04:00:00,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:00,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868913078] [2024-10-14 04:00:00,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:00,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:00,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:00,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:00,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868913078] [2024-10-14 04:00:00,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868913078] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:00,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:00,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 04:00:00,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733685400] [2024-10-14 04:00:00,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:00,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 04:00:00,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:00,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 04:00:00,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 04:00:00,829 INFO L87 Difference]: Start difference. First operand 701 states and 914 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:01,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:01,588 INFO L93 Difference]: Finished difference Result 1329 states and 1687 transitions. [2024-10-14 04:00:01,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 04:00:01,589 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-10-14 04:00:01,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:01,591 INFO L225 Difference]: With dead ends: 1329 [2024-10-14 04:00:01,591 INFO L226 Difference]: Without dead ends: 950 [2024-10-14 04:00:01,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-10-14 04:00:01,592 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 3122 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 1538 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3122 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:01,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3122 Valid, 1608 Invalid, 1539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1538 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:01,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2024-10-14 04:00:01,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 701. [2024-10-14 04:00:01,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 679 states have (on average 1.3446244477172313) internal successors, (913), 700 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:01,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 913 transitions. [2024-10-14 04:00:01,601 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 913 transitions. Word has length 94 [2024-10-14 04:00:01,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:01,601 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 913 transitions. [2024-10-14 04:00:01,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:01,601 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 913 transitions. [2024-10-14 04:00:01,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:01,602 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:01,602 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:01,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 04:00:01,602 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:01,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:01,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1574448360, now seen corresponding path program 1 times [2024-10-14 04:00:01,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:01,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168919353] [2024-10-14 04:00:01,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:01,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:02,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:02,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168919353] [2024-10-14 04:00:02,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168919353] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:02,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:02,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 04:00:02,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686801204] [2024-10-14 04:00:02,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:02,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 04:00:02,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:02,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 04:00:02,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-14 04:00:02,004 INFO L87 Difference]: Start difference. First operand 701 states and 913 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:03,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:03,153 INFO L93 Difference]: Finished difference Result 1182 states and 1540 transitions. [2024-10-14 04:00:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 04:00:03,154 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-10-14 04:00:03,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:03,156 INFO L225 Difference]: With dead ends: 1182 [2024-10-14 04:00:03,157 INFO L226 Difference]: Without dead ends: 1093 [2024-10-14 04:00:03,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2024-10-14 04:00:03,158 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 2461 mSDsluCounter, 2564 mSDsCounter, 0 mSdLazyCounter, 2358 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2461 SdHoareTripleChecker+Valid, 3083 SdHoareTripleChecker+Invalid, 2366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:03,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2461 Valid, 3083 Invalid, 2366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 2358 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 04:00:03,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2024-10-14 04:00:03,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 716. [2024-10-14 04:00:03,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 694 states have (on average 1.345821325648415) internal successors, (934), 715 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:03,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 934 transitions. [2024-10-14 04:00:03,167 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 934 transitions. Word has length 94 [2024-10-14 04:00:03,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:03,168 INFO L471 AbstractCegarLoop]: Abstraction has 716 states and 934 transitions. [2024-10-14 04:00:03,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 10 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:03,168 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 934 transitions. [2024-10-14 04:00:03,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:03,169 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:03,169 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:03,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 04:00:03,169 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:03,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:03,170 INFO L85 PathProgramCache]: Analyzing trace with hash -389378552, now seen corresponding path program 1 times [2024-10-14 04:00:03,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:03,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427847649] [2024-10-14 04:00:03,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:03,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:03,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:03,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:03,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427847649] [2024-10-14 04:00:03,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427847649] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:03,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:03,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:03,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482523334] [2024-10-14 04:00:03,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:03,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:03,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:03,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:03,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:03,497 INFO L87 Difference]: Start difference. First operand 716 states and 934 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:04,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:04,649 INFO L93 Difference]: Finished difference Result 1292 states and 1701 transitions. [2024-10-14 04:00:04,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:04,676 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-10-14 04:00:04,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:04,679 INFO L225 Difference]: With dead ends: 1292 [2024-10-14 04:00:04,679 INFO L226 Difference]: Without dead ends: 1083 [2024-10-14 04:00:04,679 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 [2024-10-14 04:00:04,681 INFO L432 NwaCegarLoop]: 922 mSDtfsCounter, 2768 mSDsluCounter, 3128 mSDsCounter, 0 mSdLazyCounter, 2546 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2768 SdHoareTripleChecker+Valid, 4050 SdHoareTripleChecker+Invalid, 2550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:04,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2768 Valid, 4050 Invalid, 2550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2546 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 04:00:04,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2024-10-14 04:00:04,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 701. [2024-10-14 04:00:04,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 679 states have (on average 1.3431516936671575) internal successors, (912), 700 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:04,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 912 transitions. [2024-10-14 04:00:04,692 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 912 transitions. Word has length 94 [2024-10-14 04:00:04,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:04,692 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 912 transitions. [2024-10-14 04:00:04,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:04,693 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 912 transitions. [2024-10-14 04:00:04,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-14 04:00:04,694 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:04,694 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:04,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 04:00:04,695 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:04,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:04,695 INFO L85 PathProgramCache]: Analyzing trace with hash -53559704, now seen corresponding path program 1 times [2024-10-14 04:00:04,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:04,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728550331] [2024-10-14 04:00:04,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:04,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:05,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:05,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728550331] [2024-10-14 04:00:05,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728550331] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:05,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:05,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:05,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261180350] [2024-10-14 04:00:05,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:05,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:05,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:05,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:05,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:05,073 INFO L87 Difference]: Start difference. First operand 701 states and 912 transitions. Second operand has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:06,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:06,041 INFO L93 Difference]: Finished difference Result 1211 states and 1597 transitions. [2024-10-14 04:00:06,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:06,041 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-10-14 04:00:06,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:06,044 INFO L225 Difference]: With dead ends: 1211 [2024-10-14 04:00:06,044 INFO L226 Difference]: Without dead ends: 1078 [2024-10-14 04:00:06,045 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 [2024-10-14 04:00:06,045 INFO L432 NwaCegarLoop]: 710 mSDtfsCounter, 2768 mSDsluCounter, 2754 mSDsCounter, 0 mSdLazyCounter, 2274 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2768 SdHoareTripleChecker+Valid, 3464 SdHoareTripleChecker+Invalid, 2278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:06,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2768 Valid, 3464 Invalid, 2278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2274 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 04:00:06,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2024-10-14 04:00:06,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 701. [2024-10-14 04:00:06,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 679 states have (on average 1.3416789396170838) internal successors, (911), 700 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:06,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 911 transitions. [2024-10-14 04:00:06,054 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 911 transitions. Word has length 94 [2024-10-14 04:00:06,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:06,055 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 911 transitions. [2024-10-14 04:00:06,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:06,055 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 911 transitions. [2024-10-14 04:00:06,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-14 04:00:06,056 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:06,056 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:06,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 04:00:06,056 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:06,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:06,057 INFO L85 PathProgramCache]: Analyzing trace with hash 339408658, now seen corresponding path program 1 times [2024-10-14 04:00:06,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:06,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288992205] [2024-10-14 04:00:06,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:06,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:06,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:06,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:06,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288992205] [2024-10-14 04:00:06,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288992205] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:06,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:06,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:06,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635298250] [2024-10-14 04:00:06,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:06,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:06,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:06,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:06,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:06,329 INFO L87 Difference]: Start difference. First operand 701 states and 911 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:07,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:07,172 INFO L93 Difference]: Finished difference Result 1170 states and 1534 transitions. [2024-10-14 04:00:07,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:07,172 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-10-14 04:00:07,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:07,175 INFO L225 Difference]: With dead ends: 1170 [2024-10-14 04:00:07,175 INFO L226 Difference]: Without dead ends: 1071 [2024-10-14 04:00:07,175 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 [2024-10-14 04:00:07,176 INFO L432 NwaCegarLoop]: 606 mSDtfsCounter, 2787 mSDsluCounter, 2504 mSDsCounter, 0 mSdLazyCounter, 2157 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2787 SdHoareTripleChecker+Valid, 3110 SdHoareTripleChecker+Invalid, 2161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:07,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2787 Valid, 3110 Invalid, 2161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2157 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:07,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2024-10-14 04:00:07,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 701. [2024-10-14 04:00:07,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 679 states have (on average 1.3402061855670102) internal successors, (910), 700 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 910 transitions. [2024-10-14 04:00:07,184 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 910 transitions. Word has length 95 [2024-10-14 04:00:07,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:07,185 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 910 transitions. [2024-10-14 04:00:07,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:07,185 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 910 transitions. [2024-10-14 04:00:07,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:07,186 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:07,186 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:07,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 04:00:07,186 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:07,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:07,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1249049709, now seen corresponding path program 1 times [2024-10-14 04:00:07,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:07,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398869910] [2024-10-14 04:00:07,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:07,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:07,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:07,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:07,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398869910] [2024-10-14 04:00:07,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398869910] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:07,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:07,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 04:00:07,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293574662] [2024-10-14 04:00:07,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:07,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 04:00:07,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:07,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 04:00:07,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 04:00:07,640 INFO L87 Difference]: Start difference. First operand 701 states and 910 transitions. Second operand has 10 states, 10 states have (on average 9.6) internal successors, (96), 9 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:08,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:08,880 INFO L93 Difference]: Finished difference Result 1418 states and 1866 transitions. [2024-10-14 04:00:08,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 04:00:08,880 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.6) internal successors, (96), 9 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:08,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:08,883 INFO L225 Difference]: With dead ends: 1418 [2024-10-14 04:00:08,883 INFO L226 Difference]: Without dead ends: 1179 [2024-10-14 04:00:08,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-10-14 04:00:08,884 INFO L432 NwaCegarLoop]: 800 mSDtfsCounter, 3291 mSDsluCounter, 3367 mSDsCounter, 0 mSdLazyCounter, 2929 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3291 SdHoareTripleChecker+Valid, 4167 SdHoareTripleChecker+Invalid, 2940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:08,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3291 Valid, 4167 Invalid, 2940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2929 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 04:00:08,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2024-10-14 04:00:08,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 701. [2024-10-14 04:00:08,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 679 states have (on average 1.3387334315169366) internal successors, (909), 700 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 909 transitions. [2024-10-14 04:00:08,893 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 909 transitions. Word has length 96 [2024-10-14 04:00:08,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:08,893 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 909 transitions. [2024-10-14 04:00:08,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.6) internal successors, (96), 9 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:08,893 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 909 transitions. [2024-10-14 04:00:08,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:08,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:08,895 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:08,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 04:00:08,895 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:08,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:08,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1573191597, now seen corresponding path program 1 times [2024-10-14 04:00:08,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:08,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376815971] [2024-10-14 04:00:08,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:08,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:09,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:09,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:09,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376815971] [2024-10-14 04:00:09,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376815971] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:09,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:09,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:09,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68773808] [2024-10-14 04:00:09,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:09,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:09,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:09,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:09,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:09,239 INFO L87 Difference]: Start difference. First operand 701 states and 909 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:10,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:10,026 INFO L93 Difference]: Finished difference Result 1144 states and 1487 transitions. [2024-10-14 04:00:10,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:10,027 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:10,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:10,029 INFO L225 Difference]: With dead ends: 1144 [2024-10-14 04:00:10,029 INFO L226 Difference]: Without dead ends: 1055 [2024-10-14 04:00:10,030 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 [2024-10-14 04:00:10,031 INFO L432 NwaCegarLoop]: 540 mSDtfsCounter, 3670 mSDsluCounter, 1786 mSDsCounter, 0 mSdLazyCounter, 1707 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3670 SdHoareTripleChecker+Valid, 2326 SdHoareTripleChecker+Invalid, 1711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:10,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3670 Valid, 2326 Invalid, 1711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1707 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:10,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2024-10-14 04:00:10,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 701. [2024-10-14 04:00:10,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 679 states have (on average 1.337260677466863) internal successors, (908), 700 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:10,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 908 transitions. [2024-10-14 04:00:10,041 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 908 transitions. Word has length 96 [2024-10-14 04:00:10,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:10,042 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 908 transitions. [2024-10-14 04:00:10,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:10,042 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 908 transitions. [2024-10-14 04:00:10,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:10,043 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:10,043 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:10,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 04:00:10,043 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:10,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:10,044 INFO L85 PathProgramCache]: Analyzing trace with hash 474771949, now seen corresponding path program 1 times [2024-10-14 04:00:10,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:10,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224731712] [2024-10-14 04:00:10,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:10,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:10,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:10,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:10,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224731712] [2024-10-14 04:00:10,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224731712] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:10,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:10,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:10,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254083481] [2024-10-14 04:00:10,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:10,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:10,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:10,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:10,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:10,312 INFO L87 Difference]: Start difference. First operand 701 states and 908 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:11,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:11,327 INFO L93 Difference]: Finished difference Result 1225 states and 1604 transitions. [2024-10-14 04:00:11,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:11,328 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:11,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:11,330 INFO L225 Difference]: With dead ends: 1225 [2024-10-14 04:00:11,330 INFO L226 Difference]: Without dead ends: 1078 [2024-10-14 04:00:11,330 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 [2024-10-14 04:00:11,331 INFO L432 NwaCegarLoop]: 913 mSDtfsCounter, 2751 mSDsluCounter, 3143 mSDsCounter, 0 mSdLazyCounter, 2485 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2751 SdHoareTripleChecker+Valid, 4056 SdHoareTripleChecker+Invalid, 2489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:11,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2751 Valid, 4056 Invalid, 2489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2485 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 04:00:11,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2024-10-14 04:00:11,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 701. [2024-10-14 04:00:11,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 679 states have (on average 1.3357879234167893) internal successors, (907), 700 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:11,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 907 transitions. [2024-10-14 04:00:11,341 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 907 transitions. Word has length 96 [2024-10-14 04:00:11,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:11,341 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 907 transitions. [2024-10-14 04:00:11,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:11,342 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 907 transitions. [2024-10-14 04:00:11,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:11,343 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:11,343 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:11,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 04:00:11,343 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:11,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:11,344 INFO L85 PathProgramCache]: Analyzing trace with hash 87823981, now seen corresponding path program 1 times [2024-10-14 04:00:11,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:11,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361548512] [2024-10-14 04:00:11,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:11,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:11,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:11,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:11,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361548512] [2024-10-14 04:00:11,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361548512] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:11,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:11,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 04:00:11,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304080706] [2024-10-14 04:00:11,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:11,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 04:00:11,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:11,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 04:00:11,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 04:00:11,807 INFO L87 Difference]: Start difference. First operand 701 states and 907 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:13,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:13,091 INFO L93 Difference]: Finished difference Result 1443 states and 1924 transitions. [2024-10-14 04:00:13,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 04:00:13,092 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:13,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:13,095 INFO L225 Difference]: With dead ends: 1443 [2024-10-14 04:00:13,095 INFO L226 Difference]: Without dead ends: 1339 [2024-10-14 04:00:13,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-14 04:00:13,096 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 6792 mSDsluCounter, 2877 mSDsCounter, 0 mSdLazyCounter, 2579 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6792 SdHoareTripleChecker+Valid, 3494 SdHoareTripleChecker+Invalid, 2808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 2579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:13,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6792 Valid, 3494 Invalid, 2808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 2579 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 04:00:13,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-10-14 04:00:13,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 706. [2024-10-14 04:00:13,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 684 states have (on average 1.3333333333333333) internal successors, (912), 705 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:13,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 912 transitions. [2024-10-14 04:00:13,105 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 912 transitions. Word has length 96 [2024-10-14 04:00:13,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:13,105 INFO L471 AbstractCegarLoop]: Abstraction has 706 states and 912 transitions. [2024-10-14 04:00:13,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 10 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:13,105 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 912 transitions. [2024-10-14 04:00:13,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:13,106 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:13,106 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:13,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 04:00:13,107 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:13,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:13,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1301641659, now seen corresponding path program 1 times [2024-10-14 04:00:13,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:13,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981884147] [2024-10-14 04:00:13,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:13,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:13,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:13,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981884147] [2024-10-14 04:00:13,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981884147] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:13,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:13,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:13,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094328535] [2024-10-14 04:00:13,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:13,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:13,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:13,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:13,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:13,362 INFO L87 Difference]: Start difference. First operand 706 states and 912 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:14,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:14,190 INFO L93 Difference]: Finished difference Result 1102 states and 1417 transitions. [2024-10-14 04:00:14,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:14,191 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:14,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:14,193 INFO L225 Difference]: With dead ends: 1102 [2024-10-14 04:00:14,193 INFO L226 Difference]: Without dead ends: 1026 [2024-10-14 04:00:14,194 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 [2024-10-14 04:00:14,194 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 3718 mSDsluCounter, 1631 mSDsCounter, 0 mSdLazyCounter, 1635 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3718 SdHoareTripleChecker+Valid, 2146 SdHoareTripleChecker+Invalid, 1639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:14,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3718 Valid, 2146 Invalid, 1639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1635 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:14,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-10-14 04:00:14,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 705. [2024-10-14 04:00:14,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 683 states have (on average 1.3323572474377745) internal successors, (910), 704 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:14,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 910 transitions. [2024-10-14 04:00:14,204 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 910 transitions. Word has length 96 [2024-10-14 04:00:14,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:14,204 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 910 transitions. [2024-10-14 04:00:14,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:14,204 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 910 transitions. [2024-10-14 04:00:14,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:14,205 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:14,206 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:14,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 04:00:14,206 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:14,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:14,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1905411411, now seen corresponding path program 1 times [2024-10-14 04:00:14,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:14,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410336468] [2024-10-14 04:00:14,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:14,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:14,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:14,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:14,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410336468] [2024-10-14 04:00:14,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410336468] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:14,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:14,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:14,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555505794] [2024-10-14 04:00:14,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:14,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:14,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:14,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:14,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:14,521 INFO L87 Difference]: Start difference. First operand 705 states and 910 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:15,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:15,416 INFO L93 Difference]: Finished difference Result 1229 states and 1609 transitions. [2024-10-14 04:00:15,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:15,417 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:15,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:15,419 INFO L225 Difference]: With dead ends: 1229 [2024-10-14 04:00:15,419 INFO L226 Difference]: Without dead ends: 1082 [2024-10-14 04:00:15,420 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 [2024-10-14 04:00:15,420 INFO L432 NwaCegarLoop]: 1001 mSDtfsCounter, 1846 mSDsluCounter, 3281 mSDsCounter, 0 mSdLazyCounter, 2614 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 4282 SdHoareTripleChecker+Invalid, 2617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:15,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1846 Valid, 4282 Invalid, 2617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2614 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 04:00:15,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2024-10-14 04:00:15,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 705. [2024-10-14 04:00:15,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 683 states have (on average 1.3308931185944364) internal successors, (909), 704 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:15,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 909 transitions. [2024-10-14 04:00:15,428 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 909 transitions. Word has length 96 [2024-10-14 04:00:15,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:15,428 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 909 transitions. [2024-10-14 04:00:15,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:15,428 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 909 transitions. [2024-10-14 04:00:15,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-14 04:00:15,429 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:15,429 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:15,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 04:00:15,429 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:15,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:15,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1768372077, now seen corresponding path program 1 times [2024-10-14 04:00:15,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:15,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419581170] [2024-10-14 04:00:15,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:15,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:15,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:15,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:15,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419581170] [2024-10-14 04:00:15,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419581170] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:15,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:15,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:15,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240079101] [2024-10-14 04:00:15,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:15,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:15,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:15,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:15,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:15,669 INFO L87 Difference]: Start difference. First operand 705 states and 909 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:16,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:16,577 INFO L93 Difference]: Finished difference Result 1174 states and 1531 transitions. [2024-10-14 04:00:16,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:16,577 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-10-14 04:00:16,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:16,580 INFO L225 Difference]: With dead ends: 1174 [2024-10-14 04:00:16,580 INFO L226 Difference]: Without dead ends: 1070 [2024-10-14 04:00:16,580 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 [2024-10-14 04:00:16,581 INFO L432 NwaCegarLoop]: 745 mSDtfsCounter, 2757 mSDsluCounter, 2769 mSDsCounter, 0 mSdLazyCounter, 2293 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2757 SdHoareTripleChecker+Valid, 3514 SdHoareTripleChecker+Invalid, 2297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:16,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2757 Valid, 3514 Invalid, 2297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2293 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 04:00:16,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2024-10-14 04:00:16,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 705. [2024-10-14 04:00:16,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 683 states have (on average 1.329428989751098) internal successors, (908), 704 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:16,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 908 transitions. [2024-10-14 04:00:16,589 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 908 transitions. Word has length 96 [2024-10-14 04:00:16,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:16,589 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 908 transitions. [2024-10-14 04:00:16,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:16,590 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 908 transitions. [2024-10-14 04:00:16,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 04:00:16,591 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:16,591 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:16,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 04:00:16,591 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:16,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:16,592 INFO L85 PathProgramCache]: Analyzing trace with hash 714003149, now seen corresponding path program 1 times [2024-10-14 04:00:16,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:16,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929868078] [2024-10-14 04:00:16,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:16,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:16,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:16,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:16,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929868078] [2024-10-14 04:00:16,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929868078] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:16,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:16,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:16,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415300870] [2024-10-14 04:00:16,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:16,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:16,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:16,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:16,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:16,872 INFO L87 Difference]: Start difference. First operand 705 states and 908 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:17,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:17,712 INFO L93 Difference]: Finished difference Result 1174 states and 1528 transitions. [2024-10-14 04:00:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:17,712 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-10-14 04:00:17,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:17,715 INFO L225 Difference]: With dead ends: 1174 [2024-10-14 04:00:17,715 INFO L226 Difference]: Without dead ends: 1070 [2024-10-14 04:00:17,715 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 [2024-10-14 04:00:17,716 INFO L432 NwaCegarLoop]: 746 mSDtfsCounter, 1867 mSDsluCounter, 2774 mSDsCounter, 0 mSdLazyCounter, 2283 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1867 SdHoareTripleChecker+Valid, 3520 SdHoareTripleChecker+Invalid, 2287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:17,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1867 Valid, 3520 Invalid, 2287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2283 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:17,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2024-10-14 04:00:17,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 705. [2024-10-14 04:00:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 683 states have (on average 1.32796486090776) internal successors, (907), 704 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:17,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 907 transitions. [2024-10-14 04:00:17,723 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 907 transitions. Word has length 97 [2024-10-14 04:00:17,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:17,723 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 907 transitions. [2024-10-14 04:00:17,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:17,723 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 907 transitions. [2024-10-14 04:00:17,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 04:00:17,724 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:17,724 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:17,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 04:00:17,725 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:17,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:17,725 INFO L85 PathProgramCache]: Analyzing trace with hash 372640941, now seen corresponding path program 1 times [2024-10-14 04:00:17,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:17,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380141414] [2024-10-14 04:00:17,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:17,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:17,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:17,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:17,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380141414] [2024-10-14 04:00:17,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380141414] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:17,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:17,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:17,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531709992] [2024-10-14 04:00:17,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:17,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:17,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:17,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:17,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:17,925 INFO L87 Difference]: Start difference. First operand 705 states and 907 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:18,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:18,656 INFO L93 Difference]: Finished difference Result 1144 states and 1481 transitions. [2024-10-14 04:00:18,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:18,657 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-10-14 04:00:18,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:18,659 INFO L225 Difference]: With dead ends: 1144 [2024-10-14 04:00:18,659 INFO L226 Difference]: Without dead ends: 1059 [2024-10-14 04:00:18,660 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 [2024-10-14 04:00:18,660 INFO L432 NwaCegarLoop]: 584 mSDtfsCounter, 3493 mSDsluCounter, 1919 mSDsCounter, 0 mSdLazyCounter, 1798 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3493 SdHoareTripleChecker+Valid, 2503 SdHoareTripleChecker+Invalid, 1802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:18,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3493 Valid, 2503 Invalid, 1802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1798 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:18,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2024-10-14 04:00:18,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 705. [2024-10-14 04:00:18,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 683 states have (on average 1.3265007320644218) internal successors, (906), 704 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:18,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 906 transitions. [2024-10-14 04:00:18,675 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 906 transitions. Word has length 97 [2024-10-14 04:00:18,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:18,675 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 906 transitions. [2024-10-14 04:00:18,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:18,675 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 906 transitions. [2024-10-14 04:00:18,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 04:00:18,676 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:18,676 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:18,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 04:00:18,677 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:18,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:18,677 INFO L85 PathProgramCache]: Analyzing trace with hash 620938253, now seen corresponding path program 1 times [2024-10-14 04:00:18,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:18,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264889960] [2024-10-14 04:00:18,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:18,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:18,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:18,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264889960] [2024-10-14 04:00:18,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264889960] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:18,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:18,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:18,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985907449] [2024-10-14 04:00:18,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:18,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:18,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:18,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:18,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:18,935 INFO L87 Difference]: Start difference. First operand 705 states and 906 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:19,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:19,788 INFO L93 Difference]: Finished difference Result 1144 states and 1480 transitions. [2024-10-14 04:00:19,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:19,788 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-10-14 04:00:19,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:19,791 INFO L225 Difference]: With dead ends: 1144 [2024-10-14 04:00:19,791 INFO L226 Difference]: Without dead ends: 1059 [2024-10-14 04:00:19,791 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 [2024-10-14 04:00:19,792 INFO L432 NwaCegarLoop]: 721 mSDtfsCounter, 1928 mSDsluCounter, 2644 mSDsCounter, 0 mSdLazyCounter, 2241 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1928 SdHoareTripleChecker+Valid, 3365 SdHoareTripleChecker+Invalid, 2244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:19,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1928 Valid, 3365 Invalid, 2244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2241 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 04:00:19,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2024-10-14 04:00:19,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 705. [2024-10-14 04:00:19,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 683 states have (on average 1.3250366032210834) internal successors, (905), 704 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:19,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 905 transitions. [2024-10-14 04:00:19,799 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 905 transitions. Word has length 97 [2024-10-14 04:00:19,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:19,799 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 905 transitions. [2024-10-14 04:00:19,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:19,799 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 905 transitions. [2024-10-14 04:00:19,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 04:00:19,800 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:19,800 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:19,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-14 04:00:19,801 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:19,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:19,801 INFO L85 PathProgramCache]: Analyzing trace with hash 108985709, now seen corresponding path program 1 times [2024-10-14 04:00:19,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:19,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338715092] [2024-10-14 04:00:19,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:19,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:20,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:20,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:20,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338715092] [2024-10-14 04:00:20,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338715092] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:20,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:20,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:20,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199581256] [2024-10-14 04:00:20,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:20,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:20,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:20,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:20,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:20,008 INFO L87 Difference]: Start difference. First operand 705 states and 905 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:20,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:20,731 INFO L93 Difference]: Finished difference Result 1104 states and 1412 transitions. [2024-10-14 04:00:20,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:20,732 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-10-14 04:00:20,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:20,734 INFO L225 Difference]: With dead ends: 1104 [2024-10-14 04:00:20,734 INFO L226 Difference]: Without dead ends: 1026 [2024-10-14 04:00:20,735 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 [2024-10-14 04:00:20,736 INFO L432 NwaCegarLoop]: 530 mSDtfsCounter, 2423 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 1656 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2423 SdHoareTripleChecker+Valid, 2205 SdHoareTripleChecker+Invalid, 1660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:20,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2423 Valid, 2205 Invalid, 1660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1656 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:20,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-10-14 04:00:20,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 705. [2024-10-14 04:00:20,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 683 states have (on average 1.3235724743777453) internal successors, (904), 704 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:20,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 904 transitions. [2024-10-14 04:00:20,742 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 904 transitions. Word has length 97 [2024-10-14 04:00:20,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:20,743 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 904 transitions. [2024-10-14 04:00:20,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:20,743 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 904 transitions. [2024-10-14 04:00:20,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 04:00:20,744 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:20,744 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:20,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-14 04:00:20,744 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:20,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:20,745 INFO L85 PathProgramCache]: Analyzing trace with hash -670035859, now seen corresponding path program 1 times [2024-10-14 04:00:20,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:20,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196515398] [2024-10-14 04:00:20,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:20,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:20,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:20,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:20,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196515398] [2024-10-14 04:00:20,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196515398] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:20,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:20,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:20,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809014491] [2024-10-14 04:00:20,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:20,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:20,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:20,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:20,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:20,972 INFO L87 Difference]: Start difference. First operand 705 states and 904 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:21,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:21,661 INFO L93 Difference]: Finished difference Result 1102 states and 1408 transitions. [2024-10-14 04:00:21,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:21,661 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-10-14 04:00:21,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:21,664 INFO L225 Difference]: With dead ends: 1102 [2024-10-14 04:00:21,664 INFO L226 Difference]: Without dead ends: 1026 [2024-10-14 04:00:21,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-14 04:00:21,664 INFO L432 NwaCegarLoop]: 529 mSDtfsCounter, 3636 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 1653 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3636 SdHoareTripleChecker+Valid, 2204 SdHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:21,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3636 Valid, 2204 Invalid, 1657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1653 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:21,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-10-14 04:00:21,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 705. [2024-10-14 04:00:21,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 683 states have (on average 1.322108345534407) internal successors, (903), 704 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:21,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 903 transitions. [2024-10-14 04:00:21,671 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 903 transitions. Word has length 97 [2024-10-14 04:00:21,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:21,672 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 903 transitions. [2024-10-14 04:00:21,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:21,672 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 903 transitions. [2024-10-14 04:00:21,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 04:00:21,673 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:21,674 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:21,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-14 04:00:21,674 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:21,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:21,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1778659085, now seen corresponding path program 1 times [2024-10-14 04:00:21,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:21,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236966225] [2024-10-14 04:00:21,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:21,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:21,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:21,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:21,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236966225] [2024-10-14 04:00:21,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236966225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:21,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:21,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:21,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430811545] [2024-10-14 04:00:21,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:21,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:21,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:21,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:21,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:21,918 INFO L87 Difference]: Start difference. First operand 705 states and 903 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:22,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:22,674 INFO L93 Difference]: Finished difference Result 1174 states and 1523 transitions. [2024-10-14 04:00:22,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:22,674 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-10-14 04:00:22,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:22,677 INFO L225 Difference]: With dead ends: 1174 [2024-10-14 04:00:22,677 INFO L226 Difference]: Without dead ends: 1070 [2024-10-14 04:00:22,677 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 [2024-10-14 04:00:22,678 INFO L432 NwaCegarLoop]: 680 mSDtfsCounter, 2076 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 2040 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2076 SdHoareTripleChecker+Valid, 2919 SdHoareTripleChecker+Invalid, 2044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:22,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2076 Valid, 2919 Invalid, 2044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2040 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:22,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2024-10-14 04:00:22,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 700. [2024-10-14 04:00:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 678 states have (on average 1.323008849557522) internal successors, (897), 699 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:22,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 897 transitions. [2024-10-14 04:00:22,684 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 897 transitions. Word has length 97 [2024-10-14 04:00:22,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:22,684 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 897 transitions. [2024-10-14 04:00:22,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:22,685 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 897 transitions. [2024-10-14 04:00:22,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 04:00:22,686 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:22,686 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:22,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-14 04:00:22,686 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:22,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:22,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1155193037, now seen corresponding path program 1 times [2024-10-14 04:00:22,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:22,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816947799] [2024-10-14 04:00:22,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:22,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:22,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:22,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:22,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816947799] [2024-10-14 04:00:22,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816947799] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:22,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:22,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:22,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251577014] [2024-10-14 04:00:22,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:22,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:22,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:22,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:22,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:22,904 INFO L87 Difference]: Start difference. First operand 700 states and 897 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:23,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:23,646 INFO L93 Difference]: Finished difference Result 1139 states and 1470 transitions. [2024-10-14 04:00:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:23,647 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2024-10-14 04:00:23,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:23,649 INFO L225 Difference]: With dead ends: 1139 [2024-10-14 04:00:23,649 INFO L226 Difference]: Without dead ends: 1054 [2024-10-14 04:00:23,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-14 04:00:23,649 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 3403 mSDsluCounter, 1981 mSDsCounter, 0 mSdLazyCounter, 1837 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3403 SdHoareTripleChecker+Valid, 2586 SdHoareTripleChecker+Invalid, 1841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:23,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3403 Valid, 2586 Invalid, 1841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1837 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:23,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2024-10-14 04:00:23,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 700. [2024-10-14 04:00:23,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 678 states have (on average 1.3215339233038348) internal successors, (896), 699 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:23,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 896 transitions. [2024-10-14 04:00:23,656 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 896 transitions. Word has length 97 [2024-10-14 04:00:23,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:23,656 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 896 transitions. [2024-10-14 04:00:23,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:23,657 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 896 transitions. [2024-10-14 04:00:23,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:00:23,658 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:23,658 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:23,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-14 04:00:23,658 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:23,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:23,658 INFO L85 PathProgramCache]: Analyzing trace with hash 789636914, now seen corresponding path program 1 times [2024-10-14 04:00:23,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:23,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25389484] [2024-10-14 04:00:23,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:23,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:23,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:23,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:23,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25389484] [2024-10-14 04:00:23,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25389484] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:23,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:23,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:23,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606186089] [2024-10-14 04:00:23,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:23,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:23,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:23,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:23,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:23,923 INFO L87 Difference]: Start difference. First operand 700 states and 896 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:24,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:24,824 INFO L93 Difference]: Finished difference Result 1239 states and 1605 transitions. [2024-10-14 04:00:24,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:24,825 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-10-14 04:00:24,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:24,827 INFO L225 Difference]: With dead ends: 1239 [2024-10-14 04:00:24,827 INFO L226 Difference]: Without dead ends: 1077 [2024-10-14 04:00:24,828 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 [2024-10-14 04:00:24,828 INFO L432 NwaCegarLoop]: 815 mSDtfsCounter, 1846 mSDsluCounter, 2663 mSDsCounter, 0 mSdLazyCounter, 2371 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 3478 SdHoareTripleChecker+Invalid, 2374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:24,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1846 Valid, 3478 Invalid, 2374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2371 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 04:00:24,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2024-10-14 04:00:24,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 700. [2024-10-14 04:00:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 678 states have (on average 1.3200589970501475) internal successors, (895), 699 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:24,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 895 transitions. [2024-10-14 04:00:24,837 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 895 transitions. Word has length 98 [2024-10-14 04:00:24,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:24,837 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 895 transitions. [2024-10-14 04:00:24,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:24,837 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 895 transitions. [2024-10-14 04:00:24,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:00:24,838 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:24,838 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:24,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-14 04:00:24,839 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:24,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:24,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1331918194, now seen corresponding path program 1 times [2024-10-14 04:00:24,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:24,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099949674] [2024-10-14 04:00:24,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:24,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:25,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:25,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:25,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099949674] [2024-10-14 04:00:25,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099949674] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:25,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:25,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:25,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882078510] [2024-10-14 04:00:25,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:25,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:25,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:25,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:25,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:25,145 INFO L87 Difference]: Start difference. First operand 700 states and 895 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:25,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:25,977 INFO L93 Difference]: Finished difference Result 1183 states and 1529 transitions. [2024-10-14 04:00:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:25,977 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-10-14 04:00:25,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:25,979 INFO L225 Difference]: With dead ends: 1183 [2024-10-14 04:00:25,979 INFO L226 Difference]: Without dead ends: 1070 [2024-10-14 04:00:25,980 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 [2024-10-14 04:00:25,980 INFO L432 NwaCegarLoop]: 884 mSDtfsCounter, 2725 mSDsluCounter, 3038 mSDsCounter, 0 mSdLazyCounter, 2409 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2725 SdHoareTripleChecker+Valid, 3922 SdHoareTripleChecker+Invalid, 2413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:25,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2725 Valid, 3922 Invalid, 2413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2409 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:25,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2024-10-14 04:00:25,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 700. [2024-10-14 04:00:25,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 678 states have (on average 1.3185840707964602) internal successors, (894), 699 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:25,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 894 transitions. [2024-10-14 04:00:25,989 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 894 transitions. Word has length 98 [2024-10-14 04:00:25,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:25,989 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 894 transitions. [2024-10-14 04:00:25,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:25,989 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 894 transitions. [2024-10-14 04:00:25,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:00:25,990 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:25,990 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:25,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-14 04:00:25,990 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:25,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:25,991 INFO L85 PathProgramCache]: Analyzing trace with hash 826135346, now seen corresponding path program 1 times [2024-10-14 04:00:25,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:25,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660894108] [2024-10-14 04:00:25,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:25,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:26,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:26,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:26,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660894108] [2024-10-14 04:00:26,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660894108] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:26,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:26,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:26,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845789933] [2024-10-14 04:00:26,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:26,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:26,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:26,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:26,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:26,205 INFO L87 Difference]: Start difference. First operand 700 states and 894 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:26,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:26,943 INFO L93 Difference]: Finished difference Result 1143 states and 1471 transitions. [2024-10-14 04:00:26,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:26,943 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-10-14 04:00:26,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:26,945 INFO L225 Difference]: With dead ends: 1143 [2024-10-14 04:00:26,945 INFO L226 Difference]: Without dead ends: 1054 [2024-10-14 04:00:26,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-14 04:00:26,946 INFO L432 NwaCegarLoop]: 635 mSDtfsCounter, 3296 mSDsluCounter, 2070 mSDsCounter, 0 mSdLazyCounter, 1890 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3296 SdHoareTripleChecker+Valid, 2705 SdHoareTripleChecker+Invalid, 1894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:26,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3296 Valid, 2705 Invalid, 1894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1890 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:26,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2024-10-14 04:00:26,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 700. [2024-10-14 04:00:26,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 678 states have (on average 1.317109144542773) internal successors, (893), 699 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:26,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 893 transitions. [2024-10-14 04:00:26,952 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 893 transitions. Word has length 98 [2024-10-14 04:00:26,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:26,952 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 893 transitions. [2024-10-14 04:00:26,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:26,952 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 893 transitions. [2024-10-14 04:00:26,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:00:26,953 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:26,953 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:26,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-14 04:00:26,953 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:26,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:26,954 INFO L85 PathProgramCache]: Analyzing trace with hash -658364686, now seen corresponding path program 1 times [2024-10-14 04:00:26,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:26,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023098957] [2024-10-14 04:00:26,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:26,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:27,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:27,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:27,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023098957] [2024-10-14 04:00:27,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023098957] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:27,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:27,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 04:00:27,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881749933] [2024-10-14 04:00:27,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:27,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 04:00:27,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:27,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 04:00:27,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 04:00:27,364 INFO L87 Difference]: Start difference. First operand 700 states and 893 transitions. Second operand has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 10 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:28,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:28,647 INFO L93 Difference]: Finished difference Result 1451 states and 1915 transitions. [2024-10-14 04:00:28,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 04:00:28,648 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 10 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-10-14 04:00:28,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:28,650 INFO L225 Difference]: With dead ends: 1451 [2024-10-14 04:00:28,650 INFO L226 Difference]: Without dead ends: 1338 [2024-10-14 04:00:28,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-14 04:00:28,651 INFO L432 NwaCegarLoop]: 736 mSDtfsCounter, 6115 mSDsluCounter, 3305 mSDsCounter, 0 mSdLazyCounter, 2836 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6115 SdHoareTripleChecker+Valid, 4041 SdHoareTripleChecker+Invalid, 3032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 2836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:28,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6115 Valid, 4041 Invalid, 3032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 2836 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 04:00:28,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1338 states. [2024-10-14 04:00:28,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1338 to 705. [2024-10-14 04:00:28,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 683 states have (on average 1.314787701317716) internal successors, (898), 704 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:28,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 898 transitions. [2024-10-14 04:00:28,658 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 898 transitions. Word has length 98 [2024-10-14 04:00:28,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:28,658 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 898 transitions. [2024-10-14 04:00:28,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 10 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:28,658 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 898 transitions. [2024-10-14 04:00:28,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:00:28,659 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:28,659 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:28,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-14 04:00:28,659 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:28,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:28,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1884558386, now seen corresponding path program 1 times [2024-10-14 04:00:28,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:28,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778361639] [2024-10-14 04:00:28,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:28,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:28,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:28,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778361639] [2024-10-14 04:00:28,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778361639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:28,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:28,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:28,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273852762] [2024-10-14 04:00:28,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:28,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:28,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:28,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:28,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:28,889 INFO L87 Difference]: Start difference. First operand 705 states and 898 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:29,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:29,649 INFO L93 Difference]: Finished difference Result 1148 states and 1474 transitions. [2024-10-14 04:00:29,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:29,650 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-10-14 04:00:29,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:29,651 INFO L225 Difference]: With dead ends: 1148 [2024-10-14 04:00:29,651 INFO L226 Difference]: Without dead ends: 1059 [2024-10-14 04:00:29,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-14 04:00:29,652 INFO L432 NwaCegarLoop]: 635 mSDtfsCounter, 3293 mSDsluCounter, 2070 mSDsCounter, 0 mSdLazyCounter, 1886 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3293 SdHoareTripleChecker+Valid, 2705 SdHoareTripleChecker+Invalid, 1890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:29,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3293 Valid, 2705 Invalid, 1890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1886 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:29,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2024-10-14 04:00:29,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 705. [2024-10-14 04:00:29,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 683 states have (on average 1.3133235724743777) internal successors, (897), 704 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:29,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 897 transitions. [2024-10-14 04:00:29,660 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 897 transitions. Word has length 98 [2024-10-14 04:00:29,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:29,660 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 897 transitions. [2024-10-14 04:00:29,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:29,660 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 897 transitions. [2024-10-14 04:00:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:00:29,661 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:29,661 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:29,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-14 04:00:29,662 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:29,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:29,662 INFO L85 PathProgramCache]: Analyzing trace with hash 726734154, now seen corresponding path program 1 times [2024-10-14 04:00:29,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:29,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11111507] [2024-10-14 04:00:29,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:29,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:29,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:29,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:29,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11111507] [2024-10-14 04:00:29,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11111507] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:29,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:29,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:29,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713038726] [2024-10-14 04:00:29,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:29,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:29,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:29,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:29,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:29,869 INFO L87 Difference]: Start difference. First operand 705 states and 897 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:30,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:30,598 INFO L93 Difference]: Finished difference Result 1101 states and 1400 transitions. [2024-10-14 04:00:30,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:30,599 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-10-14 04:00:30,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:30,600 INFO L225 Difference]: With dead ends: 1101 [2024-10-14 04:00:30,600 INFO L226 Difference]: Without dead ends: 1025 [2024-10-14 04:00:30,601 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 [2024-10-14 04:00:30,601 INFO L432 NwaCegarLoop]: 582 mSDtfsCounter, 2043 mSDsluCounter, 2020 mSDsCounter, 0 mSdLazyCounter, 1815 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2043 SdHoareTripleChecker+Valid, 2602 SdHoareTripleChecker+Invalid, 1819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:30,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2043 Valid, 2602 Invalid, 1819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1815 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:30,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2024-10-14 04:00:30,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 704. [2024-10-14 04:00:30,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 682 states have (on average 1.312316715542522) internal successors, (895), 703 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:30,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 895 transitions. [2024-10-14 04:00:30,608 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 895 transitions. Word has length 98 [2024-10-14 04:00:30,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:30,608 INFO L471 AbstractCegarLoop]: Abstraction has 704 states and 895 transitions. [2024-10-14 04:00:30,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:30,608 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 895 transitions. [2024-10-14 04:00:30,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:00:30,609 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:30,609 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:30,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-14 04:00:30,610 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:30,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:30,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1876538414, now seen corresponding path program 1 times [2024-10-14 04:00:30,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:30,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020806500] [2024-10-14 04:00:30,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:30,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:30,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:30,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:30,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020806500] [2024-10-14 04:00:30,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020806500] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:30,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:30,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:30,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550282572] [2024-10-14 04:00:30,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:30,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:30,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:30,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:30,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:30,831 INFO L87 Difference]: Start difference. First operand 704 states and 895 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:31,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:31,493 INFO L93 Difference]: Finished difference Result 1147 states and 1471 transitions. [2024-10-14 04:00:31,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:31,493 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-10-14 04:00:31,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:31,495 INFO L225 Difference]: With dead ends: 1147 [2024-10-14 04:00:31,495 INFO L226 Difference]: Without dead ends: 1058 [2024-10-14 04:00:31,495 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 [2024-10-14 04:00:31,496 INFO L432 NwaCegarLoop]: 696 mSDtfsCounter, 2724 mSDsluCounter, 2063 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2724 SdHoareTripleChecker+Valid, 2759 SdHoareTripleChecker+Invalid, 1816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:31,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2724 Valid, 2759 Invalid, 1816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1812 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:31,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2024-10-14 04:00:31,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 704. [2024-10-14 04:00:31,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 682 states have (on average 1.310850439882698) internal successors, (894), 703 states have internal predecessors, (894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:31,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 894 transitions. [2024-10-14 04:00:31,503 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 894 transitions. Word has length 98 [2024-10-14 04:00:31,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:31,503 INFO L471 AbstractCegarLoop]: Abstraction has 704 states and 894 transitions. [2024-10-14 04:00:31,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:31,503 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 894 transitions. [2024-10-14 04:00:31,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:00:31,504 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:31,504 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:31,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-14 04:00:31,505 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:31,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:31,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1291241216, now seen corresponding path program 1 times [2024-10-14 04:00:31,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:31,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637412211] [2024-10-14 04:00:31,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:31,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:31,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:31,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:31,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637412211] [2024-10-14 04:00:31,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637412211] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:31,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:31,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:31,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783531804] [2024-10-14 04:00:31,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:31,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:31,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:31,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:31,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:31,708 INFO L87 Difference]: Start difference. First operand 704 states and 894 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:32,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:32,373 INFO L93 Difference]: Finished difference Result 1100 states and 1397 transitions. [2024-10-14 04:00:32,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:32,373 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-10-14 04:00:32,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:32,375 INFO L225 Difference]: With dead ends: 1100 [2024-10-14 04:00:32,375 INFO L226 Difference]: Without dead ends: 1024 [2024-10-14 04:00:32,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-14 04:00:32,376 INFO L432 NwaCegarLoop]: 568 mSDtfsCounter, 3462 mSDsluCounter, 1788 mSDsCounter, 0 mSdLazyCounter, 1704 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3462 SdHoareTripleChecker+Valid, 2356 SdHoareTripleChecker+Invalid, 1708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:32,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3462 Valid, 2356 Invalid, 1708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1704 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:32,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2024-10-14 04:00:32,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 703. [2024-10-14 04:00:32,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 681 states have (on average 1.3098384728340675) internal successors, (892), 702 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:32,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 892 transitions. [2024-10-14 04:00:32,382 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 892 transitions. Word has length 98 [2024-10-14 04:00:32,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:32,382 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 892 transitions. [2024-10-14 04:00:32,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:32,382 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 892 transitions. [2024-10-14 04:00:32,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:00:32,383 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:32,383 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:32,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-14 04:00:32,383 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:32,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:32,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1960170496, now seen corresponding path program 1 times [2024-10-14 04:00:32,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:32,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350423367] [2024-10-14 04:00:32,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:32,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:32,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:32,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:32,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350423367] [2024-10-14 04:00:32,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350423367] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:32,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:32,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:32,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424147180] [2024-10-14 04:00:32,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:32,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:32,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:32,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:32,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:32,578 INFO L87 Difference]: Start difference. First operand 703 states and 892 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:33,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:33,293 INFO L93 Difference]: Finished difference Result 1099 states and 1395 transitions. [2024-10-14 04:00:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:33,293 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-10-14 04:00:33,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:33,295 INFO L225 Difference]: With dead ends: 1099 [2024-10-14 04:00:33,295 INFO L226 Difference]: Without dead ends: 1023 [2024-10-14 04:00:33,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-14 04:00:33,295 INFO L432 NwaCegarLoop]: 568 mSDtfsCounter, 3456 mSDsluCounter, 1788 mSDsCounter, 0 mSdLazyCounter, 1696 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3456 SdHoareTripleChecker+Valid, 2356 SdHoareTripleChecker+Invalid, 1700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:33,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3456 Valid, 2356 Invalid, 1700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1696 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:33,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2024-10-14 04:00:33,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 702. [2024-10-14 04:00:33,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 680 states have (on average 1.3088235294117647) internal successors, (890), 701 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:33,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 890 transitions. [2024-10-14 04:00:33,301 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 890 transitions. Word has length 98 [2024-10-14 04:00:33,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:33,301 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 890 transitions. [2024-10-14 04:00:33,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:33,302 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 890 transitions. [2024-10-14 04:00:33,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:00:33,302 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:33,302 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:33,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-14 04:00:33,303 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:33,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:33,303 INFO L85 PathProgramCache]: Analyzing trace with hash -567213966, now seen corresponding path program 1 times [2024-10-14 04:00:33,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:33,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667881442] [2024-10-14 04:00:33,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:33,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:33,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:33,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667881442] [2024-10-14 04:00:33,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667881442] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:33,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:33,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 04:00:33,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804574919] [2024-10-14 04:00:33,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:33,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 04:00:33,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:33,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 04:00:33,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 04:00:33,767 INFO L87 Difference]: Start difference. First operand 702 states and 890 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:34,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:34,361 INFO L93 Difference]: Finished difference Result 1139 states and 1466 transitions. [2024-10-14 04:00:34,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:34,362 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-10-14 04:00:34,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:34,363 INFO L225 Difference]: With dead ends: 1139 [2024-10-14 04:00:34,363 INFO L226 Difference]: Without dead ends: 1046 [2024-10-14 04:00:34,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-10-14 04:00:34,364 INFO L432 NwaCegarLoop]: 1073 mSDtfsCounter, 4502 mSDsluCounter, 4851 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4502 SdHoareTripleChecker+Valid, 5924 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:34,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4502 Valid, 5924 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 04:00:34,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2024-10-14 04:00:34,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 684. [2024-10-14 04:00:34,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 662 states have (on average 1.3051359516616314) internal successors, (864), 683 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:34,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 864 transitions. [2024-10-14 04:00:34,370 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 864 transitions. Word has length 98 [2024-10-14 04:00:34,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:34,370 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 864 transitions. [2024-10-14 04:00:34,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:34,370 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 864 transitions. [2024-10-14 04:00:34,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:00:34,371 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:34,371 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:34,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-14 04:00:34,371 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:34,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:34,371 INFO L85 PathProgramCache]: Analyzing trace with hash 919604050, now seen corresponding path program 1 times [2024-10-14 04:00:34,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:34,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206897430] [2024-10-14 04:00:34,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:34,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:34,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:34,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:34,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206897430] [2024-10-14 04:00:34,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206897430] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:34,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:34,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:34,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320987872] [2024-10-14 04:00:34,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:34,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:34,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:34,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:34,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:34,576 INFO L87 Difference]: Start difference. First operand 684 states and 864 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:35,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:35,297 INFO L93 Difference]: Finished difference Result 1126 states and 1438 transitions. [2024-10-14 04:00:35,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:35,297 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-10-14 04:00:35,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:35,299 INFO L225 Difference]: With dead ends: 1126 [2024-10-14 04:00:35,299 INFO L226 Difference]: Without dead ends: 1037 [2024-10-14 04:00:35,299 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 [2024-10-14 04:00:35,300 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 2083 mSDsluCounter, 2046 mSDsCounter, 0 mSdLazyCounter, 1807 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2083 SdHoareTripleChecker+Valid, 2674 SdHoareTripleChecker+Invalid, 1811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:35,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2083 Valid, 2674 Invalid, 1811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1807 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:35,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2024-10-14 04:00:35,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 684. [2024-10-14 04:00:35,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 662 states have (on average 1.3036253776435045) internal successors, (863), 683 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:35,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 863 transitions. [2024-10-14 04:00:35,306 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 863 transitions. Word has length 98 [2024-10-14 04:00:35,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:35,306 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 863 transitions. [2024-10-14 04:00:35,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:35,307 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 863 transitions. [2024-10-14 04:00:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:00:35,307 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:35,307 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:35,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-14 04:00:35,308 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:35,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:35,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1912626094, now seen corresponding path program 1 times [2024-10-14 04:00:35,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:35,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731276328] [2024-10-14 04:00:35,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:35,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:35,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:35,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:35,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731276328] [2024-10-14 04:00:35,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731276328] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:35,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:35,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:35,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266323387] [2024-10-14 04:00:35,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:35,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:35,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:35,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:35,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:35,512 INFO L87 Difference]: Start difference. First operand 684 states and 863 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:36,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:36,158 INFO L93 Difference]: Finished difference Result 1077 states and 1361 transitions. [2024-10-14 04:00:36,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:36,158 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-10-14 04:00:36,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:36,160 INFO L225 Difference]: With dead ends: 1077 [2024-10-14 04:00:36,160 INFO L226 Difference]: Without dead ends: 996 [2024-10-14 04:00:36,160 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 [2024-10-14 04:00:36,161 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 3297 mSDsluCounter, 1773 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3297 SdHoareTripleChecker+Valid, 2339 SdHoareTripleChecker+Invalid, 1667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:36,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3297 Valid, 2339 Invalid, 1667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1663 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 04:00:36,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2024-10-14 04:00:36,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 684. [2024-10-14 04:00:36,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 662 states have (on average 1.3021148036253776) internal successors, (862), 683 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:36,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 862 transitions. [2024-10-14 04:00:36,166 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 862 transitions. Word has length 98 [2024-10-14 04:00:36,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:36,166 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 862 transitions. [2024-10-14 04:00:36,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:36,166 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 862 transitions. [2024-10-14 04:00:36,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 04:00:36,167 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:36,167 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:36,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-14 04:00:36,167 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:36,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:36,168 INFO L85 PathProgramCache]: Analyzing trace with hash 418514290, now seen corresponding path program 1 times [2024-10-14 04:00:36,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:36,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396237516] [2024-10-14 04:00:36,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:36,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:36,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:36,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:36,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396237516] [2024-10-14 04:00:36,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396237516] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:36,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:36,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 04:00:36,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083745975] [2024-10-14 04:00:36,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:36,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 04:00:36,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:36,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 04:00:36,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 04:00:36,488 INFO L87 Difference]: Start difference. First operand 684 states and 862 transitions. Second operand has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 10 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:37,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:37,705 INFO L93 Difference]: Finished difference Result 1429 states and 1875 transitions. [2024-10-14 04:00:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 04:00:37,706 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 10 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-10-14 04:00:37,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:37,708 INFO L225 Difference]: With dead ends: 1429 [2024-10-14 04:00:37,708 INFO L226 Difference]: Without dead ends: 1316 [2024-10-14 04:00:37,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-14 04:00:37,709 INFO L432 NwaCegarLoop]: 690 mSDtfsCounter, 6089 mSDsluCounter, 3135 mSDsCounter, 0 mSdLazyCounter, 2622 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6089 SdHoareTripleChecker+Valid, 3825 SdHoareTripleChecker+Invalid, 2817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 2622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:37,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6089 Valid, 3825 Invalid, 2817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 2622 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 04:00:37,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1316 states. [2024-10-14 04:00:37,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1316 to 689. [2024-10-14 04:00:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 667 states have (on average 1.2998500749625188) internal successors, (867), 688 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:37,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 867 transitions. [2024-10-14 04:00:37,714 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 867 transitions. Word has length 98 [2024-10-14 04:00:37,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:37,714 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 867 transitions. [2024-10-14 04:00:37,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 10 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:37,715 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 867 transitions. [2024-10-14 04:00:37,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 04:00:37,715 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:37,716 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:37,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-14 04:00:37,716 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:37,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:37,716 INFO L85 PathProgramCache]: Analyzing trace with hash 729259016, now seen corresponding path program 1 times [2024-10-14 04:00:37,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:37,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515496324] [2024-10-14 04:00:37,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:37,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:37,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:37,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:37,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515496324] [2024-10-14 04:00:37,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515496324] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:37,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:37,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:37,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943551788] [2024-10-14 04:00:37,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:37,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:37,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:37,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:37,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:37,919 INFO L87 Difference]: Start difference. First operand 689 states and 867 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:38,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:38,705 INFO L93 Difference]: Finished difference Result 1079 states and 1361 transitions. [2024-10-14 04:00:38,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:38,706 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-10-14 04:00:38,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:38,707 INFO L225 Difference]: With dead ends: 1079 [2024-10-14 04:00:38,707 INFO L226 Difference]: Without dead ends: 1001 [2024-10-14 04:00:38,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-14 04:00:38,708 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 3296 mSDsluCounter, 1773 mSDsCounter, 0 mSdLazyCounter, 1660 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3296 SdHoareTripleChecker+Valid, 2338 SdHoareTripleChecker+Invalid, 1664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:38,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3296 Valid, 2338 Invalid, 1664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1660 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:38,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2024-10-14 04:00:38,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 689. [2024-10-14 04:00:38,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 667 states have (on average 1.2983508245877062) internal successors, (866), 688 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:38,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 866 transitions. [2024-10-14 04:00:38,714 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 866 transitions. Word has length 99 [2024-10-14 04:00:38,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:38,714 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 866 transitions. [2024-10-14 04:00:38,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:38,714 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 866 transitions. [2024-10-14 04:00:38,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 04:00:38,715 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:38,715 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:38,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-14 04:00:38,715 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:38,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:38,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1775150408, now seen corresponding path program 1 times [2024-10-14 04:00:38,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:38,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270215197] [2024-10-14 04:00:38,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:38,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:38,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:38,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270215197] [2024-10-14 04:00:38,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270215197] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:38,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:38,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:38,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769978424] [2024-10-14 04:00:38,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:38,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:38,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:38,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:38,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:38,910 INFO L87 Difference]: Start difference. First operand 689 states and 866 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:39,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:39,527 INFO L93 Difference]: Finished difference Result 1079 states and 1360 transitions. [2024-10-14 04:00:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:39,527 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-10-14 04:00:39,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:39,529 INFO L225 Difference]: With dead ends: 1079 [2024-10-14 04:00:39,529 INFO L226 Difference]: Without dead ends: 1001 [2024-10-14 04:00:39,529 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 [2024-10-14 04:00:39,529 INFO L432 NwaCegarLoop]: 598 mSDtfsCounter, 2736 mSDsluCounter, 1781 mSDsCounter, 0 mSdLazyCounter, 1615 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2736 SdHoareTripleChecker+Valid, 2379 SdHoareTripleChecker+Invalid, 1619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:39,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2736 Valid, 2379 Invalid, 1619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1615 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 04:00:39,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2024-10-14 04:00:39,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 689. [2024-10-14 04:00:39,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 667 states have (on average 1.2968515742128937) internal successors, (865), 688 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:39,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 865 transitions. [2024-10-14 04:00:39,534 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 865 transitions. Word has length 99 [2024-10-14 04:00:39,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:39,535 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 865 transitions. [2024-10-14 04:00:39,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:39,535 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 865 transitions. [2024-10-14 04:00:39,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 04:00:39,536 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:39,536 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:39,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-14 04:00:39,536 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:39,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:39,536 INFO L85 PathProgramCache]: Analyzing trace with hash -8770564, now seen corresponding path program 1 times [2024-10-14 04:00:39,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:39,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183298808] [2024-10-14 04:00:39,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:39,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:39,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:39,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:39,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183298808] [2024-10-14 04:00:39,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183298808] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:39,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:39,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:39,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012567702] [2024-10-14 04:00:39,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:39,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:39,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:39,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:39,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:39,720 INFO L87 Difference]: Start difference. First operand 689 states and 865 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:40,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:40,480 INFO L93 Difference]: Finished difference Result 1161 states and 1479 transitions. [2024-10-14 04:00:40,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:40,481 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-10-14 04:00:40,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:40,482 INFO L225 Difference]: With dead ends: 1161 [2024-10-14 04:00:40,482 INFO L226 Difference]: Without dead ends: 1048 [2024-10-14 04:00:40,483 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 [2024-10-14 04:00:40,483 INFO L432 NwaCegarLoop]: 703 mSDtfsCounter, 2924 mSDsluCounter, 2307 mSDsCounter, 0 mSdLazyCounter, 1972 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2924 SdHoareTripleChecker+Valid, 3010 SdHoareTripleChecker+Invalid, 1976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:40,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2924 Valid, 3010 Invalid, 1976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1972 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:40,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2024-10-14 04:00:40,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 684. [2024-10-14 04:00:40,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 662 states have (on average 1.297583081570997) internal successors, (859), 683 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:40,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 859 transitions. [2024-10-14 04:00:40,488 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 859 transitions. Word has length 99 [2024-10-14 04:00:40,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:40,489 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 859 transitions. [2024-10-14 04:00:40,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:40,489 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 859 transitions. [2024-10-14 04:00:40,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 04:00:40,490 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:40,490 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:40,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-10-14 04:00:40,490 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:40,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:40,490 INFO L85 PathProgramCache]: Analyzing trace with hash -371844056, now seen corresponding path program 1 times [2024-10-14 04:00:40,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:40,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765530297] [2024-10-14 04:00:40,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:40,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:40,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:40,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:40,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765530297] [2024-10-14 04:00:40,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765530297] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:40,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:40,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:40,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848168814] [2024-10-14 04:00:40,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:40,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:40,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:40,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:40,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:40,700 INFO L87 Difference]: Start difference. First operand 684 states and 859 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:41,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:41,501 INFO L93 Difference]: Finished difference Result 1074 states and 1353 transitions. [2024-10-14 04:00:41,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:41,501 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-10-14 04:00:41,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:41,503 INFO L225 Difference]: With dead ends: 1074 [2024-10-14 04:00:41,503 INFO L226 Difference]: Without dead ends: 996 [2024-10-14 04:00:41,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-14 04:00:41,503 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 3091 mSDsluCounter, 1927 mSDsCounter, 0 mSdLazyCounter, 1834 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3091 SdHoareTripleChecker+Valid, 2544 SdHoareTripleChecker+Invalid, 1837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:41,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3091 Valid, 2544 Invalid, 1837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1834 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:41,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2024-10-14 04:00:41,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 684. [2024-10-14 04:00:41,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 662 states have (on average 1.29607250755287) internal successors, (858), 683 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:41,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 858 transitions. [2024-10-14 04:00:41,508 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 858 transitions. Word has length 99 [2024-10-14 04:00:41,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:41,509 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 858 transitions. [2024-10-14 04:00:41,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:41,509 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 858 transitions. [2024-10-14 04:00:41,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 04:00:41,509 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:41,509 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:41,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-10-14 04:00:41,510 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:41,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:41,510 INFO L85 PathProgramCache]: Analyzing trace with hash 30970824, now seen corresponding path program 1 times [2024-10-14 04:00:41,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:41,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647293167] [2024-10-14 04:00:41,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:41,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:41,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:41,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:41,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647293167] [2024-10-14 04:00:41,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647293167] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:41,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:41,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:41,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660965754] [2024-10-14 04:00:41,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:41,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:41,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:41,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:41,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:41,712 INFO L87 Difference]: Start difference. First operand 684 states and 858 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:42,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:42,372 INFO L93 Difference]: Finished difference Result 1074 states and 1352 transitions. [2024-10-14 04:00:42,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:42,373 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-10-14 04:00:42,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:42,374 INFO L225 Difference]: With dead ends: 1074 [2024-10-14 04:00:42,374 INFO L226 Difference]: Without dead ends: 996 [2024-10-14 04:00:42,375 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 [2024-10-14 04:00:42,375 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 2206 mSDsluCounter, 1764 mSDsCounter, 0 mSdLazyCounter, 1648 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2206 SdHoareTripleChecker+Valid, 2327 SdHoareTripleChecker+Invalid, 1652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:42,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2206 Valid, 2327 Invalid, 1652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1648 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:42,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2024-10-14 04:00:42,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 684. [2024-10-14 04:00:42,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 662 states have (on average 1.2945619335347431) internal successors, (857), 683 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:42,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 857 transitions. [2024-10-14 04:00:42,380 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 857 transitions. Word has length 99 [2024-10-14 04:00:42,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:42,381 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 857 transitions. [2024-10-14 04:00:42,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:42,382 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 857 transitions. [2024-10-14 04:00:42,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 04:00:42,382 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:42,382 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:42,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-10-14 04:00:42,383 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:42,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:42,383 INFO L85 PathProgramCache]: Analyzing trace with hash 158799880, now seen corresponding path program 1 times [2024-10-14 04:00:42,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:42,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410226210] [2024-10-14 04:00:42,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:42,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:42,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:42,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:42,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410226210] [2024-10-14 04:00:42,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410226210] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:42,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:42,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:42,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769136091] [2024-10-14 04:00:42,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:42,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:42,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:42,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:42,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:42,566 INFO L87 Difference]: Start difference. First operand 684 states and 857 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:43,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:43,221 INFO L93 Difference]: Finished difference Result 1074 states and 1350 transitions. [2024-10-14 04:00:43,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:43,221 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-10-14 04:00:43,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:43,223 INFO L225 Difference]: With dead ends: 1074 [2024-10-14 04:00:43,223 INFO L226 Difference]: Without dead ends: 996 [2024-10-14 04:00:43,223 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 [2024-10-14 04:00:43,223 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 2106 mSDsluCounter, 1927 mSDsCounter, 0 mSdLazyCounter, 1821 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2106 SdHoareTripleChecker+Valid, 2544 SdHoareTripleChecker+Invalid, 1824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:43,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2106 Valid, 2544 Invalid, 1824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1821 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:43,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2024-10-14 04:00:43,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 684. [2024-10-14 04:00:43,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 662 states have (on average 1.2930513595166162) internal successors, (856), 683 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:43,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 856 transitions. [2024-10-14 04:00:43,229 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 856 transitions. Word has length 99 [2024-10-14 04:00:43,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:43,229 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 856 transitions. [2024-10-14 04:00:43,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:43,230 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 856 transitions. [2024-10-14 04:00:43,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 04:00:43,230 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:43,231 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:43,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-10-14 04:00:43,231 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:43,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:43,231 INFO L85 PathProgramCache]: Analyzing trace with hash 599423240, now seen corresponding path program 1 times [2024-10-14 04:00:43,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:43,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355338506] [2024-10-14 04:00:43,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:43,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:43,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:43,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:43,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355338506] [2024-10-14 04:00:43,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355338506] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:43,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:43,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:43,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133460183] [2024-10-14 04:00:43,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:43,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:43,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:43,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:43,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:43,399 INFO L87 Difference]: Start difference. First operand 684 states and 856 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:44,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:44,009 INFO L93 Difference]: Finished difference Result 1074 states and 1349 transitions. [2024-10-14 04:00:44,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:44,009 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-10-14 04:00:44,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:44,011 INFO L225 Difference]: With dead ends: 1074 [2024-10-14 04:00:44,011 INFO L226 Difference]: Without dead ends: 996 [2024-10-14 04:00:44,011 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 [2024-10-14 04:00:44,011 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 3275 mSDsluCounter, 1764 mSDsCounter, 0 mSdLazyCounter, 1635 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3275 SdHoareTripleChecker+Valid, 2327 SdHoareTripleChecker+Invalid, 1639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:44,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3275 Valid, 2327 Invalid, 1639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1635 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 04:00:44,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2024-10-14 04:00:44,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 684. [2024-10-14 04:00:44,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 662 states have (on average 1.2915407854984895) internal successors, (855), 683 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:44,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 855 transitions. [2024-10-14 04:00:44,016 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 855 transitions. Word has length 99 [2024-10-14 04:00:44,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:44,016 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 855 transitions. [2024-10-14 04:00:44,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:44,017 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 855 transitions. [2024-10-14 04:00:44,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 04:00:44,017 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:44,017 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:44,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-10-14 04:00:44,017 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:44,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:44,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1438326648, now seen corresponding path program 1 times [2024-10-14 04:00:44,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:44,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191234000] [2024-10-14 04:00:44,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:44,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:44,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:44,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:44,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191234000] [2024-10-14 04:00:44,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191234000] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:44,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:44,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:44,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863028840] [2024-10-14 04:00:44,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:44,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:44,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:44,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:44,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:44,209 INFO L87 Difference]: Start difference. First operand 684 states and 855 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:44,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:44,987 INFO L93 Difference]: Finished difference Result 1122 states and 1421 transitions. [2024-10-14 04:00:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:44,988 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-10-14 04:00:44,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:44,989 INFO L225 Difference]: With dead ends: 1122 [2024-10-14 04:00:44,989 INFO L226 Difference]: Without dead ends: 1037 [2024-10-14 04:00:44,990 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 [2024-10-14 04:00:44,990 INFO L432 NwaCegarLoop]: 695 mSDtfsCounter, 2877 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 2009 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2877 SdHoareTripleChecker+Valid, 2939 SdHoareTripleChecker+Invalid, 2012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:44,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2877 Valid, 2939 Invalid, 2012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2009 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:44,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2024-10-14 04:00:44,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 684. [2024-10-14 04:00:44,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 662 states have (on average 1.2900302114803626) internal successors, (854), 683 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:44,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 854 transitions. [2024-10-14 04:00:44,995 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 854 transitions. Word has length 99 [2024-10-14 04:00:44,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:44,995 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 854 transitions. [2024-10-14 04:00:44,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:44,996 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 854 transitions. [2024-10-14 04:00:44,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 04:00:44,996 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:44,996 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:44,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-10-14 04:00:44,996 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:44,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:44,997 INFO L85 PathProgramCache]: Analyzing trace with hash 937344712, now seen corresponding path program 1 times [2024-10-14 04:00:44,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:44,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352678692] [2024-10-14 04:00:44,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:44,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:45,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:45,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352678692] [2024-10-14 04:00:45,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352678692] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:45,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:45,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:45,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874891194] [2024-10-14 04:00:45,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:45,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:45,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:45,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:45,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:45,210 INFO L87 Difference]: Start difference. First operand 684 states and 854 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:45,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:45,929 INFO L93 Difference]: Finished difference Result 1074 states and 1346 transitions. [2024-10-14 04:00:45,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:45,930 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-10-14 04:00:45,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:45,932 INFO L225 Difference]: With dead ends: 1074 [2024-10-14 04:00:45,932 INFO L226 Difference]: Without dead ends: 996 [2024-10-14 04:00:45,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-14 04:00:45,932 INFO L432 NwaCegarLoop]: 623 mSDtfsCounter, 3049 mSDsluCounter, 1944 mSDsCounter, 0 mSdLazyCounter, 1828 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3049 SdHoareTripleChecker+Valid, 2567 SdHoareTripleChecker+Invalid, 1831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:45,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3049 Valid, 2567 Invalid, 1831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1828 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:45,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2024-10-14 04:00:45,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 684. [2024-10-14 04:00:45,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 662 states have (on average 1.2885196374622356) internal successors, (853), 683 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:45,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 853 transitions. [2024-10-14 04:00:45,937 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 853 transitions. Word has length 99 [2024-10-14 04:00:45,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:45,938 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 853 transitions. [2024-10-14 04:00:45,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:45,938 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 853 transitions. [2024-10-14 04:00:45,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 04:00:45,939 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:45,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:45,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-10-14 04:00:45,939 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:45,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:45,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1357365064, now seen corresponding path program 1 times [2024-10-14 04:00:45,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:45,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839305602] [2024-10-14 04:00:45,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:45,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:46,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:46,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839305602] [2024-10-14 04:00:46,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839305602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:46,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:46,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 04:00:46,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086392484] [2024-10-14 04:00:46,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:46,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 04:00:46,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:46,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 04:00:46,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 04:00:46,258 INFO L87 Difference]: Start difference. First operand 684 states and 853 transitions. Second operand has 11 states, 11 states have (on average 9.0) internal successors, (99), 10 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:47,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:47,483 INFO L93 Difference]: Finished difference Result 1262 states and 1615 transitions. [2024-10-14 04:00:47,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 04:00:47,484 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 10 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-10-14 04:00:47,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:47,485 INFO L225 Difference]: With dead ends: 1262 [2024-10-14 04:00:47,485 INFO L226 Difference]: Without dead ends: 1184 [2024-10-14 04:00:47,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-14 04:00:47,485 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 6335 mSDsluCounter, 2440 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6335 SdHoareTripleChecker+Valid, 3005 SdHoareTripleChecker+Invalid, 2385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:47,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6335 Valid, 3005 Invalid, 2385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 2169 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 04:00:47,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2024-10-14 04:00:47,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 689. [2024-10-14 04:00:47,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 667 states have (on average 1.2863568215892054) internal successors, (858), 688 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:47,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 858 transitions. [2024-10-14 04:00:47,491 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 858 transitions. Word has length 99 [2024-10-14 04:00:47,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:47,492 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 858 transitions. [2024-10-14 04:00:47,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 10 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:47,492 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 858 transitions. [2024-10-14 04:00:47,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 04:00:47,493 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:47,493 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:47,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-10-14 04:00:47,493 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:47,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:47,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1637896917, now seen corresponding path program 1 times [2024-10-14 04:00:47,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:47,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875427638] [2024-10-14 04:00:47,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:47,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:47,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:47,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:47,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875427638] [2024-10-14 04:00:47,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875427638] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:47,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:47,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:47,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736235403] [2024-10-14 04:00:47,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:47,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:47,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:47,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:47,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:47,680 INFO L87 Difference]: Start difference. First operand 689 states and 858 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:48,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:48,350 INFO L93 Difference]: Finished difference Result 1072 states and 1342 transitions. [2024-10-14 04:00:48,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:48,351 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-10-14 04:00:48,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:48,351 INFO L225 Difference]: With dead ends: 1072 [2024-10-14 04:00:48,352 INFO L226 Difference]: Without dead ends: 996 [2024-10-14 04:00:48,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-14 04:00:48,352 INFO L432 NwaCegarLoop]: 570 mSDtfsCounter, 3249 mSDsluCounter, 1787 mSDsCounter, 0 mSdLazyCounter, 1626 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3249 SdHoareTripleChecker+Valid, 2357 SdHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:48,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3249 Valid, 2357 Invalid, 1630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1626 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:48,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2024-10-14 04:00:48,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 689. [2024-10-14 04:00:48,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 667 states have (on average 1.2848575712143928) internal successors, (857), 688 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:48,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 857 transitions. [2024-10-14 04:00:48,357 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 857 transitions. Word has length 99 [2024-10-14 04:00:48,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:48,357 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 857 transitions. [2024-10-14 04:00:48,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:48,357 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 857 transitions. [2024-10-14 04:00:48,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 04:00:48,358 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:48,358 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:48,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-10-14 04:00:48,358 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:48,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:48,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1058084577, now seen corresponding path program 1 times [2024-10-14 04:00:48,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:48,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346771186] [2024-10-14 04:00:48,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:48,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:48,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:48,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:48,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346771186] [2024-10-14 04:00:48,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346771186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:48,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:48,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:48,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171592043] [2024-10-14 04:00:48,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:48,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:48,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:48,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:48,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:48,530 INFO L87 Difference]: Start difference. First operand 689 states and 857 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:49,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:49,300 INFO L93 Difference]: Finished difference Result 1166 states and 1476 transitions. [2024-10-14 04:00:49,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:49,301 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-10-14 04:00:49,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:49,302 INFO L225 Difference]: With dead ends: 1166 [2024-10-14 04:00:49,302 INFO L226 Difference]: Without dead ends: 1053 [2024-10-14 04:00:49,302 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 [2024-10-14 04:00:49,302 INFO L432 NwaCegarLoop]: 796 mSDtfsCounter, 2589 mSDsluCounter, 2584 mSDsCounter, 0 mSdLazyCounter, 2183 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2589 SdHoareTripleChecker+Valid, 3380 SdHoareTripleChecker+Invalid, 2186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:49,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2589 Valid, 3380 Invalid, 2186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2183 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:49,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2024-10-14 04:00:49,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 684. [2024-10-14 04:00:49,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 662 states have (on average 1.2854984894259818) internal successors, (851), 683 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:49,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 851 transitions. [2024-10-14 04:00:49,307 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 851 transitions. Word has length 99 [2024-10-14 04:00:49,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:49,307 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 851 transitions. [2024-10-14 04:00:49,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:49,307 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 851 transitions. [2024-10-14 04:00:49,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 04:00:49,308 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:49,308 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:49,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-10-14 04:00:49,308 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:49,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:49,308 INFO L85 PathProgramCache]: Analyzing trace with hash 415510536, now seen corresponding path program 1 times [2024-10-14 04:00:49,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:49,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489331414] [2024-10-14 04:00:49,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:49,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:49,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:49,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:49,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489331414] [2024-10-14 04:00:49,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489331414] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:49,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:49,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:49,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230526412] [2024-10-14 04:00:49,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:49,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:49,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:49,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:49,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:49,505 INFO L87 Difference]: Start difference. First operand 684 states and 851 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:50,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:50,217 INFO L93 Difference]: Finished difference Result 1126 states and 1419 transitions. [2024-10-14 04:00:50,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:50,218 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-10-14 04:00:50,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:50,219 INFO L225 Difference]: With dead ends: 1126 [2024-10-14 04:00:50,219 INFO L226 Difference]: Without dead ends: 1037 [2024-10-14 04:00:50,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-14 04:00:50,219 INFO L432 NwaCegarLoop]: 677 mSDtfsCounter, 2965 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 1851 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2965 SdHoareTripleChecker+Valid, 2871 SdHoareTripleChecker+Invalid, 1855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:50,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2965 Valid, 2871 Invalid, 1855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1851 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:50,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2024-10-14 04:00:50,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 684. [2024-10-14 04:00:50,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 662 states have (on average 1.283987915407855) internal successors, (850), 683 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:50,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 850 transitions. [2024-10-14 04:00:50,224 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 850 transitions. Word has length 99 [2024-10-14 04:00:50,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:50,224 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 850 transitions. [2024-10-14 04:00:50,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:50,224 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 850 transitions. [2024-10-14 04:00:50,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-14 04:00:50,225 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:50,225 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:50,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-10-14 04:00:50,225 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:50,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:50,225 INFO L85 PathProgramCache]: Analyzing trace with hash 292512424, now seen corresponding path program 1 times [2024-10-14 04:00:50,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:50,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556803337] [2024-10-14 04:00:50,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:50,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:50,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:50,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556803337] [2024-10-14 04:00:50,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556803337] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:50,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:50,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:50,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413280800] [2024-10-14 04:00:50,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:50,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:50,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:50,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:50,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:50,413 INFO L87 Difference]: Start difference. First operand 684 states and 850 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:51,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:51,050 INFO L93 Difference]: Finished difference Result 1069 states and 1336 transitions. [2024-10-14 04:00:51,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:51,051 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-10-14 04:00:51,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:51,052 INFO L225 Difference]: With dead ends: 1069 [2024-10-14 04:00:51,052 INFO L226 Difference]: Without dead ends: 991 [2024-10-14 04:00:51,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-14 04:00:51,052 INFO L432 NwaCegarLoop]: 581 mSDtfsCounter, 3202 mSDsluCounter, 1819 mSDsCounter, 0 mSdLazyCounter, 1635 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3202 SdHoareTripleChecker+Valid, 2400 SdHoareTripleChecker+Invalid, 1639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:51,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3202 Valid, 2400 Invalid, 1639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1635 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 04:00:51,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2024-10-14 04:00:51,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 684. [2024-10-14 04:00:51,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 662 states have (on average 1.2824773413897281) internal successors, (849), 683 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:51,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 849 transitions. [2024-10-14 04:00:51,057 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 849 transitions. Word has length 99 [2024-10-14 04:00:51,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:51,057 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 849 transitions. [2024-10-14 04:00:51,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:51,058 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 849 transitions. [2024-10-14 04:00:51,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 04:00:51,058 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:51,059 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:51,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-10-14 04:00:51,059 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:51,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:51,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1459749737, now seen corresponding path program 1 times [2024-10-14 04:00:51,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:51,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638076145] [2024-10-14 04:00:51,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:51,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:51,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:51,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:51,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638076145] [2024-10-14 04:00:51,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638076145] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:51,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:51,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:51,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925880707] [2024-10-14 04:00:51,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:51,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:51,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:51,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:51,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:51,249 INFO L87 Difference]: Start difference. First operand 684 states and 849 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:51,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:51,899 INFO L93 Difference]: Finished difference Result 1072 states and 1338 transitions. [2024-10-14 04:00:51,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:51,900 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-10-14 04:00:51,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:51,901 INFO L225 Difference]: With dead ends: 1072 [2024-10-14 04:00:51,901 INFO L226 Difference]: Without dead ends: 991 [2024-10-14 04:00:51,901 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 [2024-10-14 04:00:51,901 INFO L432 NwaCegarLoop]: 582 mSDtfsCounter, 3195 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 1627 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3195 SdHoareTripleChecker+Valid, 2404 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:51,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3195 Valid, 2404 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1627 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:51,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2024-10-14 04:00:51,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 684. [2024-10-14 04:00:51,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 662 states have (on average 1.2809667673716012) internal successors, (848), 683 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:51,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 848 transitions. [2024-10-14 04:00:51,906 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 848 transitions. Word has length 100 [2024-10-14 04:00:51,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:51,906 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 848 transitions. [2024-10-14 04:00:51,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:51,907 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 848 transitions. [2024-10-14 04:00:51,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 04:00:51,907 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:51,907 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:51,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-10-14 04:00:51,908 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:51,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:51,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1106978857, now seen corresponding path program 1 times [2024-10-14 04:00:51,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:51,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540621575] [2024-10-14 04:00:51,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:51,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:52,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:52,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:52,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540621575] [2024-10-14 04:00:52,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540621575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:52,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:52,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:52,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109730770] [2024-10-14 04:00:52,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:52,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:52,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:52,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:52,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:52,098 INFO L87 Difference]: Start difference. First operand 684 states and 848 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:52,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:52,841 INFO L93 Difference]: Finished difference Result 1131 states and 1421 transitions. [2024-10-14 04:00:52,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 04:00:52,841 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-10-14 04:00:52,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:52,842 INFO L225 Difference]: With dead ends: 1131 [2024-10-14 04:00:52,842 INFO L226 Difference]: Without dead ends: 1037 [2024-10-14 04:00:52,843 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 [2024-10-14 04:00:52,843 INFO L432 NwaCegarLoop]: 764 mSDtfsCounter, 1795 mSDsluCounter, 2756 mSDsCounter, 0 mSdLazyCounter, 2088 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1795 SdHoareTripleChecker+Valid, 3520 SdHoareTripleChecker+Invalid, 2092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:52,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1795 Valid, 3520 Invalid, 2092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2088 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:52,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2024-10-14 04:00:52,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 684. [2024-10-14 04:00:52,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 662 states have (on average 1.2794561933534743) internal successors, (847), 683 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:52,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 847 transitions. [2024-10-14 04:00:52,860 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 847 transitions. Word has length 100 [2024-10-14 04:00:52,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:52,860 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 847 transitions. [2024-10-14 04:00:52,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:52,860 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 847 transitions. [2024-10-14 04:00:52,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 04:00:52,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:52,861 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:52,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-10-14 04:00:52,862 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:52,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:52,862 INFO L85 PathProgramCache]: Analyzing trace with hash 235319639, now seen corresponding path program 1 times [2024-10-14 04:00:52,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:52,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31295259] [2024-10-14 04:00:52,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:52,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:53,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:53,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:53,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31295259] [2024-10-14 04:00:53,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31295259] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:53,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:53,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 04:00:53,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707678377] [2024-10-14 04:00:53,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:53,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 04:00:53,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:53,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 04:00:53,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 04:00:53,188 INFO L87 Difference]: Start difference. First operand 684 states and 847 transitions. Second operand has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 10 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:54,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:54,441 INFO L93 Difference]: Finished difference Result 1440 states and 1862 transitions. [2024-10-14 04:00:54,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 04:00:54,441 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 10 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-10-14 04:00:54,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:54,443 INFO L225 Difference]: With dead ends: 1440 [2024-10-14 04:00:54,443 INFO L226 Difference]: Without dead ends: 1321 [2024-10-14 04:00:54,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-14 04:00:54,444 INFO L432 NwaCegarLoop]: 725 mSDtfsCounter, 5844 mSDsluCounter, 3256 mSDsCounter, 0 mSdLazyCounter, 2567 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5844 SdHoareTripleChecker+Valid, 3981 SdHoareTripleChecker+Invalid, 2754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 2567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:54,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5844 Valid, 3981 Invalid, 2754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 2567 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 04:00:54,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2024-10-14 04:00:54,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 689. [2024-10-14 04:00:54,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 667 states have (on average 1.27736131934033) internal successors, (852), 688 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:54,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 852 transitions. [2024-10-14 04:00:54,450 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 852 transitions. Word has length 100 [2024-10-14 04:00:54,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:54,450 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 852 transitions. [2024-10-14 04:00:54,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 10 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:54,451 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 852 transitions. [2024-10-14 04:00:54,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 04:00:54,451 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:54,451 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:54,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-10-14 04:00:54,452 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:54,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:54,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1499979031, now seen corresponding path program 1 times [2024-10-14 04:00:54,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:54,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357211488] [2024-10-14 04:00:54,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:54,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:54,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:54,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:54,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357211488] [2024-10-14 04:00:54,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357211488] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:54,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:54,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:54,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529076975] [2024-10-14 04:00:54,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:54,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:54,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:54,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:54,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:54,642 INFO L87 Difference]: Start difference. First operand 689 states and 852 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:55,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:55,338 INFO L93 Difference]: Finished difference Result 1077 states and 1341 transitions. [2024-10-14 04:00:55,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:55,338 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-10-14 04:00:55,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:55,339 INFO L225 Difference]: With dead ends: 1077 [2024-10-14 04:00:55,339 INFO L226 Difference]: Without dead ends: 996 [2024-10-14 04:00:55,339 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 [2024-10-14 04:00:55,340 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 2126 mSDsluCounter, 1854 mSDsCounter, 0 mSdLazyCounter, 1650 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2126 SdHoareTripleChecker+Valid, 2448 SdHoareTripleChecker+Invalid, 1654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:55,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2126 Valid, 2448 Invalid, 1654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1650 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:55,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2024-10-14 04:00:55,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 689. [2024-10-14 04:00:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 667 states have (on average 1.2758620689655173) internal successors, (851), 688 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:55,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 851 transitions. [2024-10-14 04:00:55,345 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 851 transitions. Word has length 100 [2024-10-14 04:00:55,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:55,345 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 851 transitions. [2024-10-14 04:00:55,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 851 transitions. [2024-10-14 04:00:55,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 04:00:55,346 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:55,346 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:55,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-10-14 04:00:55,346 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:55,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:55,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1759021801, now seen corresponding path program 1 times [2024-10-14 04:00:55,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:55,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955877472] [2024-10-14 04:00:55,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:55,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:55,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:55,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:55,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955877472] [2024-10-14 04:00:55,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955877472] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:55,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:55,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 04:00:55,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707287203] [2024-10-14 04:00:55,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:55,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 04:00:55,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:55,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 04:00:55,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 04:00:55,674 INFO L87 Difference]: Start difference. First operand 689 states and 851 transitions. Second operand has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 10 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:56,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:56,863 INFO L93 Difference]: Finished difference Result 1364 states and 1754 transitions. [2024-10-14 04:00:56,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 04:00:56,864 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 10 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-10-14 04:00:56,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:56,865 INFO L225 Difference]: With dead ends: 1364 [2024-10-14 04:00:56,866 INFO L226 Difference]: Without dead ends: 1270 [2024-10-14 04:00:56,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-14 04:00:56,866 INFO L432 NwaCegarLoop]: 720 mSDtfsCounter, 5317 mSDsluCounter, 2531 mSDsCounter, 0 mSdLazyCounter, 2240 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5317 SdHoareTripleChecker+Valid, 3251 SdHoareTripleChecker+Invalid, 2430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 2240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:56,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5317 Valid, 3251 Invalid, 2430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 2240 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 04:00:56,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2024-10-14 04:00:56,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 694. [2024-10-14 04:00:56,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 672 states have (on average 1.2738095238095237) internal successors, (856), 693 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:56,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 856 transitions. [2024-10-14 04:00:56,873 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 856 transitions. Word has length 100 [2024-10-14 04:00:56,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:56,873 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 856 transitions. [2024-10-14 04:00:56,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 10 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 856 transitions. [2024-10-14 04:00:56,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 04:00:56,874 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:56,874 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:56,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-10-14 04:00:56,875 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:56,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:56,875 INFO L85 PathProgramCache]: Analyzing trace with hash -2111792681, now seen corresponding path program 1 times [2024-10-14 04:00:56,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:56,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548073583] [2024-10-14 04:00:56,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:56,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:57,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:57,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548073583] [2024-10-14 04:00:57,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548073583] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:57,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:57,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:57,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371637234] [2024-10-14 04:00:57,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:57,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:57,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:57,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:57,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:57,070 INFO L87 Difference]: Start difference. First operand 694 states and 856 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:57,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:57,755 INFO L93 Difference]: Finished difference Result 1082 states and 1344 transitions. [2024-10-14 04:00:57,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:57,755 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-10-14 04:00:57,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:57,756 INFO L225 Difference]: With dead ends: 1082 [2024-10-14 04:00:57,756 INFO L226 Difference]: Without dead ends: 1001 [2024-10-14 04:00:57,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-10-14 04:00:57,757 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 2956 mSDsluCounter, 2005 mSDsCounter, 0 mSdLazyCounter, 1823 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2956 SdHoareTripleChecker+Valid, 2649 SdHoareTripleChecker+Invalid, 1826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:57,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2956 Valid, 2649 Invalid, 1826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1823 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:57,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2024-10-14 04:00:57,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 694. [2024-10-14 04:00:57,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 672 states have (on average 1.2723214285714286) internal successors, (855), 693 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:57,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 855 transitions. [2024-10-14 04:00:57,762 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 855 transitions. Word has length 100 [2024-10-14 04:00:57,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:57,762 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 855 transitions. [2024-10-14 04:00:57,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:57,762 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 855 transitions. [2024-10-14 04:00:57,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 04:00:57,763 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:57,763 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:57,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-10-14 04:00:57,763 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:57,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:57,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1562580969, now seen corresponding path program 1 times [2024-10-14 04:00:57,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:57,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750163488] [2024-10-14 04:00:57,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:57,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:57,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:57,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:57,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750163488] [2024-10-14 04:00:57,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750163488] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:57,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:57,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:57,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744443988] [2024-10-14 04:00:57,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:57,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:57,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:57,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:57,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:57,935 INFO L87 Difference]: Start difference. First operand 694 states and 855 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:58,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:58,701 INFO L93 Difference]: Finished difference Result 1061 states and 1310 transitions. [2024-10-14 04:00:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:00:58,702 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-10-14 04:00:58,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:58,703 INFO L225 Difference]: With dead ends: 1061 [2024-10-14 04:00:58,703 INFO L226 Difference]: Without dead ends: 1042 [2024-10-14 04:00:58,703 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 [2024-10-14 04:00:58,703 INFO L432 NwaCegarLoop]: 706 mSDtfsCounter, 1886 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 1989 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1886 SdHoareTripleChecker+Valid, 2982 SdHoareTripleChecker+Invalid, 1992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:58,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1886 Valid, 2982 Invalid, 1992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1989 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 04:00:58,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2024-10-14 04:00:58,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 694. [2024-10-14 04:00:58,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 672 states have (on average 1.2708333333333333) internal successors, (854), 693 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:58,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 854 transitions. [2024-10-14 04:00:58,708 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 854 transitions. Word has length 100 [2024-10-14 04:00:58,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:58,708 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 854 transitions. [2024-10-14 04:00:58,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:58,708 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 854 transitions. [2024-10-14 04:00:58,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 04:00:58,709 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:58,709 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:58,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-10-14 04:00:58,709 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:58,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:58,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1915351849, now seen corresponding path program 1 times [2024-10-14 04:00:58,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:58,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372913026] [2024-10-14 04:00:58,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:58,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:58,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:58,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:58,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372913026] [2024-10-14 04:00:58,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372913026] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:58,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:58,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:00:58,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358624993] [2024-10-14 04:00:58,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:58,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:00:58,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:58,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:00:58,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:00:58,883 INFO L87 Difference]: Start difference. First operand 694 states and 854 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:59,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:00:59,529 INFO L93 Difference]: Finished difference Result 1007 states and 1231 transitions. [2024-10-14 04:00:59,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:00:59,529 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-10-14 04:00:59,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:00:59,530 INFO L225 Difference]: With dead ends: 1007 [2024-10-14 04:00:59,530 INFO L226 Difference]: Without dead ends: 1001 [2024-10-14 04:00:59,531 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 [2024-10-14 04:00:59,531 INFO L432 NwaCegarLoop]: 658 mSDtfsCounter, 2905 mSDsluCounter, 2046 mSDsCounter, 0 mSdLazyCounter, 1839 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2905 SdHoareTripleChecker+Valid, 2704 SdHoareTripleChecker+Invalid, 1842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:00:59,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2905 Valid, 2704 Invalid, 1842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1839 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:00:59,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2024-10-14 04:00:59,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 694. [2024-10-14 04:00:59,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 672 states have (on average 1.2693452380952381) internal successors, (853), 693 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:59,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 853 transitions. [2024-10-14 04:00:59,536 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 853 transitions. Word has length 100 [2024-10-14 04:00:59,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:00:59,537 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 853 transitions. [2024-10-14 04:00:59,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:00:59,537 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 853 transitions. [2024-10-14 04:00:59,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 04:00:59,538 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:00:59,538 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:00:59,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-10-14 04:00:59,538 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:00:59,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:00:59,538 INFO L85 PathProgramCache]: Analyzing trace with hash 450158487, now seen corresponding path program 1 times [2024-10-14 04:00:59,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:00:59,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375133804] [2024-10-14 04:00:59,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:00:59,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:00:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:00:59,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:00:59,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:00:59,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375133804] [2024-10-14 04:00:59,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375133804] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:00:59,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:00:59,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 04:00:59,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330726265] [2024-10-14 04:00:59,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:00:59,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 04:00:59,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:00:59,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 04:00:59,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 04:00:59,852 INFO L87 Difference]: Start difference. First operand 694 states and 853 transitions. Second operand has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 10 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:00,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:01:00,964 INFO L93 Difference]: Finished difference Result 1195 states and 1500 transitions. [2024-10-14 04:01:00,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 04:01:00,964 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 10 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-10-14 04:01:00,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:01:00,966 INFO L225 Difference]: With dead ends: 1195 [2024-10-14 04:01:00,966 INFO L226 Difference]: Without dead ends: 1189 [2024-10-14 04:01:00,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-14 04:01:00,966 INFO L432 NwaCegarLoop]: 649 mSDtfsCounter, 5373 mSDsluCounter, 2782 mSDsCounter, 0 mSdLazyCounter, 2429 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5373 SdHoareTripleChecker+Valid, 3431 SdHoareTripleChecker+Invalid, 2628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 2429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 04:01:00,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5373 Valid, 3431 Invalid, 2628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 2429 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 04:01:00,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2024-10-14 04:01:00,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 699. [2024-10-14 04:01:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 677 states have (on average 1.2673559822747416) internal successors, (858), 698 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:00,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 858 transitions. [2024-10-14 04:01:00,971 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 858 transitions. Word has length 100 [2024-10-14 04:01:00,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:01:00,972 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 858 transitions. [2024-10-14 04:01:00,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 10 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:00,972 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 858 transitions. [2024-10-14 04:01:00,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 04:01:00,973 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:01:00,973 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:01:00,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-10-14 04:01:00,973 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:01:00,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:01:00,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1722148873, now seen corresponding path program 1 times [2024-10-14 04:01:00,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:01:00,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879825675] [2024-10-14 04:01:00,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:01:00,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:01:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:01:01,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:01:01,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:01:01,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879825675] [2024-10-14 04:01:01,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879825675] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:01:01,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:01:01,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:01:01,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42747383] [2024-10-14 04:01:01,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:01:01,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:01:01,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:01:01,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:01:01,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:01:01,154 INFO L87 Difference]: Start difference. First operand 699 states and 858 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:01,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:01:01,820 INFO L93 Difference]: Finished difference Result 1007 states and 1229 transitions. [2024-10-14 04:01:01,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 04:01:01,821 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-10-14 04:01:01,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:01:01,822 INFO L225 Difference]: With dead ends: 1007 [2024-10-14 04:01:01,822 INFO L226 Difference]: Without dead ends: 1001 [2024-10-14 04:01:01,822 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 [2024-10-14 04:01:01,823 INFO L432 NwaCegarLoop]: 651 mSDtfsCounter, 2912 mSDsluCounter, 2022 mSDsCounter, 0 mSdLazyCounter, 1833 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2912 SdHoareTripleChecker+Valid, 2673 SdHoareTripleChecker+Invalid, 1836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:01:01,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2912 Valid, 2673 Invalid, 1836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1833 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:01:01,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2024-10-14 04:01:01,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 699. [2024-10-14 04:01:01,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 677 states have (on average 1.2658788774002954) internal successors, (857), 698 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:01,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 857 transitions. [2024-10-14 04:01:01,828 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 857 transitions. Word has length 100 [2024-10-14 04:01:01,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:01:01,828 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 857 transitions. [2024-10-14 04:01:01,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:01,828 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 857 transitions. [2024-10-14 04:01:01,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 04:01:01,829 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:01:01,829 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:01:01,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-10-14 04:01:01,829 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:01:01,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:01:01,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1169257609, now seen corresponding path program 1 times [2024-10-14 04:01:01,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:01:01,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478346545] [2024-10-14 04:01:01,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:01:01,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:01:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:01:02,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:01:02,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:01:02,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478346545] [2024-10-14 04:01:02,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478346545] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:01:02,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:01:02,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:01:02,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889661137] [2024-10-14 04:01:02,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:01:02,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:01:02,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:01:02,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:01:02,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:01:02,017 INFO L87 Difference]: Start difference. First operand 699 states and 857 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:02,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 04:01:02,664 INFO L93 Difference]: Finished difference Result 1007 states and 1227 transitions. [2024-10-14 04:01:02,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 04:01:02,664 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-10-14 04:01:02,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 04:01:02,666 INFO L225 Difference]: With dead ends: 1007 [2024-10-14 04:01:02,666 INFO L226 Difference]: Without dead ends: 1001 [2024-10-14 04:01:02,666 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 [2024-10-14 04:01:02,666 INFO L432 NwaCegarLoop]: 732 mSDtfsCounter, 2662 mSDsluCounter, 2039 mSDsCounter, 0 mSdLazyCounter, 1726 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2662 SdHoareTripleChecker+Valid, 2771 SdHoareTripleChecker+Invalid, 1729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 04:01:02,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2662 Valid, 2771 Invalid, 1729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1726 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 04:01:02,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2024-10-14 04:01:02,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 699. [2024-10-14 04:01:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 677 states have (on average 1.2644017725258494) internal successors, (856), 698 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:02,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 856 transitions. [2024-10-14 04:01:02,672 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 856 transitions. Word has length 100 [2024-10-14 04:01:02,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 04:01:02,673 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 856 transitions. [2024-10-14 04:01:02,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 04:01:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 856 transitions. [2024-10-14 04:01:02,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-14 04:01:02,674 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 04:01:02,674 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 04:01:02,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-10-14 04:01:02,674 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-14 04:01:02,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 04:01:02,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1569171767, now seen corresponding path program 1 times [2024-10-14 04:01:02,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 04:01:02,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952784299] [2024-10-14 04:01:02,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 04:01:02,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 04:01:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 04:01:02,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 04:01:02,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 04:01:02,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952784299] [2024-10-14 04:01:02,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952784299] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 04:01:02,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 04:01:02,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 04:01:02,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766246839] [2024-10-14 04:01:02,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 04:01:02,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 04:01:02,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 04:01:02,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 04:01:02,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 04:01:02,860 INFO L87 Difference]: Start difference. First operand 699 states and 856 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 7 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)