./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.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d 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.UNBOUNDED.pals.c.v+sep-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7c220fedd5daa4b7bd4bc3bda2bd43ccc828cdccab93a1f1d73e2bd64ffc19c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 20:32:00,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 20:32:00,547 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 20:32:00,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 20:32:00,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 20:32:00,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 20:32:00,584 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 20:32:00,584 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 20:32:00,585 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 20:32:00,585 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 20:32:00,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 20:32:00,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 20:32:00,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 20:32:00,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 20:32:00,587 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 20:32:00,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 20:32:00,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 20:32:00,588 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 20:32:00,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 20:32:00,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 20:32:00,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 20:32:00,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 20:32:00,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 20:32:00,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 20:32:00,592 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 20:32:00,592 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 20:32:00,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 20:32:00,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 20:32:00,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 20:32:00,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 20:32:00,594 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 20:32:00,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 20:32:00,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 20:32:00,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 20:32:00,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 20:32:00,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 20:32:00,596 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 20:32:00,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 20:32:00,597 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 20:32:00,597 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 20:32:00,597 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 20:32:00,599 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 20:32:00,599 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7c220fedd5daa4b7bd4bc3bda2bd43ccc828cdccab93a1f1d73e2bd64ffc19c [2024-10-12 20:32:00,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 20:32:00,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 20:32:00,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 20:32:00,884 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 20:32:00,885 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 20:32:00,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-10-12 20:32:02,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 20:32:02,778 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 20:32:02,779 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-10-12 20:32:02,814 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57ee83802/00aa5acfb504457f85ed3a9c720452e8/FLAG1af9157b6 [2024-10-12 20:32:02,830 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57ee83802/00aa5acfb504457f85ed3a9c720452e8 [2024-10-12 20:32:02,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 20:32:02,834 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 20:32:02,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 20:32:02,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 20:32:02,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 20:32:02,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:32:02" (1/1) ... [2024-10-12 20:32:02,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78580b91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:32:02, skipping insertion in model container [2024-10-12 20:32:02,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 08:32:02" (1/1) ... [2024-10-12 20:32:03,001 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 20:32:03,679 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.UNBOUNDED.pals.c.v+sep-reducer.c[69402,69415] [2024-10-12 20:32:03,903 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.UNBOUNDED.pals.c.v+sep-reducer.c[100988,101001] [2024-10-12 20:32:03,959 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.UNBOUNDED.pals.c.v+sep-reducer.c[116766,116779] [2024-10-12 20:32:03,982 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.UNBOUNDED.pals.c.v+sep-reducer.c[124651,124664] [2024-10-12 20:32:03,994 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.UNBOUNDED.pals.c.v+sep-reducer.c[128577,128590] [2024-10-12 20:32:04,004 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.UNBOUNDED.pals.c.v+sep-reducer.c[132299,132312] [2024-10-12 20:32:04,087 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.UNBOUNDED.pals.c.v+sep-reducer.c[163377,163390] [2024-10-12 20:32:04,121 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.UNBOUNDED.pals.c.v+sep-reducer.c[178940,178953] [2024-10-12 20:32:04,140 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.UNBOUNDED.pals.c.v+sep-reducer.c[186820,186833] [2024-10-12 20:32:04,149 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.UNBOUNDED.pals.c.v+sep-reducer.c[190741,190754] [2024-10-12 20:32:04,159 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.UNBOUNDED.pals.c.v+sep-reducer.c[194458,194471] [2024-10-12 20:32:04,198 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.UNBOUNDED.pals.c.v+sep-reducer.c[211203,211216] [2024-10-12 20:32:04,216 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.UNBOUNDED.pals.c.v+sep-reducer.c[219083,219096] [2024-10-12 20:32:04,227 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.UNBOUNDED.pals.c.v+sep-reducer.c[223004,223017] [2024-10-12 20:32:04,236 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.UNBOUNDED.pals.c.v+sep-reducer.c[226721,226734] [2024-10-12 20:32:04,246 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.UNBOUNDED.pals.c.v+sep-reducer.c[231221,231234] [2024-10-12 20:32:04,255 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.UNBOUNDED.pals.c.v+sep-reducer.c[234989,235002] [2024-10-12 20:32:04,264 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.UNBOUNDED.pals.c.v+sep-reducer.c[238910,238923] [2024-10-12 20:32:04,272 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.UNBOUNDED.pals.c.v+sep-reducer.c[242627,242640] [2024-10-12 20:32:04,282 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.UNBOUNDED.pals.c.v+sep-reducer.c[246748,246761] [2024-10-12 20:32:04,291 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.UNBOUNDED.pals.c.v+sep-reducer.c[250481,250494] [2024-10-12 20:32:04,300 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.UNBOUNDED.pals.c.v+sep-reducer.c[254398,254411] [2024-10-12 20:32:04,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 20:32:04,366 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 20:32:04,578 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.UNBOUNDED.pals.c.v+sep-reducer.c[69402,69415] [2024-10-12 20:32:04,635 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.UNBOUNDED.pals.c.v+sep-reducer.c[100988,101001] [2024-10-12 20:32:04,664 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.UNBOUNDED.pals.c.v+sep-reducer.c[116766,116779] [2024-10-12 20:32:04,679 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.UNBOUNDED.pals.c.v+sep-reducer.c[124651,124664] [2024-10-12 20:32:04,687 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.UNBOUNDED.pals.c.v+sep-reducer.c[128577,128590] [2024-10-12 20:32:04,695 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.UNBOUNDED.pals.c.v+sep-reducer.c[132299,132312] [2024-10-12 20:32:04,746 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.UNBOUNDED.pals.c.v+sep-reducer.c[163377,163390] [2024-10-12 20:32:04,773 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.UNBOUNDED.pals.c.v+sep-reducer.c[178940,178953] [2024-10-12 20:32:04,788 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.UNBOUNDED.pals.c.v+sep-reducer.c[186820,186833] [2024-10-12 20:32:04,797 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.UNBOUNDED.pals.c.v+sep-reducer.c[190741,190754] [2024-10-12 20:32:04,804 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.UNBOUNDED.pals.c.v+sep-reducer.c[194458,194471] [2024-10-12 20:32:04,836 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[211203,211216] [2024-10-12 20:32:04,852 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[219083,219096] [2024-10-12 20:32:04,860 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.UNBOUNDED.pals.c.v+sep-reducer.c[223004,223017] [2024-10-12 20:32:04,869 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[226721,226734] [2024-10-12 20:32:04,878 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.UNBOUNDED.pals.c.v+sep-reducer.c[231221,231234] [2024-10-12 20:32:04,886 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.UNBOUNDED.pals.c.v+sep-reducer.c[234989,235002] [2024-10-12 20:32:04,894 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.UNBOUNDED.pals.c.v+sep-reducer.c[238910,238923] [2024-10-12 20:32:04,902 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.UNBOUNDED.pals.c.v+sep-reducer.c[242627,242640] [2024-10-12 20:32:04,910 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.UNBOUNDED.pals.c.v+sep-reducer.c[246748,246761] [2024-10-12 20:32:04,918 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.UNBOUNDED.pals.c.v+sep-reducer.c[250481,250494] [2024-10-12 20:32:04,926 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.UNBOUNDED.pals.c.v+sep-reducer.c[254398,254411] [2024-10-12 20:32:04,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 20:32:05,016 INFO L204 MainTranslator]: Completed translation [2024-10-12 20:32:05,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:32:05 WrapperNode [2024-10-12 20:32:05,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 20:32:05,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 20:32:05,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 20:32:05,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 20:32:05,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:32:05" (1/1) ... [2024-10-12 20:32:05,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:32:05" (1/1) ... [2024-10-12 20:32:05,275 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12202 [2024-10-12 20:32:05,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 20:32:05,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 20:32:05,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 20:32:05,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 20:32:05,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:32:05" (1/1) ... [2024-10-12 20:32:05,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:32:05" (1/1) ... [2024-10-12 20:32:05,325 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:32:05" (1/1) ... [2024-10-12 20:32:05,412 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]. [2024-10-12 20:32:05,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:32:05" (1/1) ... [2024-10-12 20:32:05,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:32:05" (1/1) ... [2024-10-12 20:32:05,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:32:05" (1/1) ... [2024-10-12 20:32:05,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:32:05" (1/1) ... [2024-10-12 20:32:05,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:32:05" (1/1) ... [2024-10-12 20:32:05,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:32:05" (1/1) ... [2024-10-12 20:32:05,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 20:32:05,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 20:32:05,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 20:32:05,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 20:32:05,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:32:05" (1/1) ... [2024-10-12 20:32:05,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 20:32:05,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 20:32:05,663 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) [2024-10-12 20:32:05,669 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 [2024-10-12 20:32:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 20:32:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 20:32:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 20:32:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 20:32:06,094 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 20:32:06,096 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 20:32:11,128 INFO L? ?]: Removed 2222 outVars from TransFormulas that were not future-live. [2024-10-12 20:32:11,128 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 20:32:11,215 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 20:32:11,216 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-12 20:32:11,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:32:11 BoogieIcfgContainer [2024-10-12 20:32:11,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 20:32:11,220 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 20:32:11,221 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 20:32:11,224 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 20:32:11,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 08:32:02" (1/3) ... [2024-10-12 20:32:11,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740c319c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:32:11, skipping insertion in model container [2024-10-12 20:32:11,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 08:32:05" (2/3) ... [2024-10-12 20:32:11,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740c319c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 08:32:11, skipping insertion in model container [2024-10-12 20:32:11,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 08:32:11" (3/3) ... [2024-10-12 20:32:11,228 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-10-12 20:32:11,243 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 20:32:11,244 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-10-12 20:32:11,395 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 20:32:11,403 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;@49463d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 20:32:11,403 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-10-12 20:32:11,419 INFO L276 IsEmpty]: Start isEmpty. Operand has 2346 states, 2323 states have (on average 1.8222126560482135) internal successors, (4233), 2345 states have internal predecessors, (4233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:11,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-12 20:32:11,453 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:11,454 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] [2024-10-12 20:32:11,455 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:11,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:11,462 INFO L85 PathProgramCache]: Analyzing trace with hash 474104121, now seen corresponding path program 1 times [2024-10-12 20:32:11,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:11,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428818390] [2024-10-12 20:32:11,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:11,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:12,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:12,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:12,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428818390] [2024-10-12 20:32:12,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428818390] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:12,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:12,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 20:32:12,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233597092] [2024-10-12 20:32:12,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:12,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 20:32:12,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:12,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 20:32:12,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 20:32:12,218 INFO L87 Difference]: Start difference. First operand has 2346 states, 2323 states have (on average 1.8222126560482135) internal successors, (4233), 2345 states have internal predecessors, (4233), 0 states have call successors, (0), 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 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:13,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:13,857 INFO L93 Difference]: Finished difference Result 2799 states and 4973 transitions. [2024-10-12 20:32:13,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 20:32:13,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2024-10-12 20:32:13,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:13,880 INFO L225 Difference]: With dead ends: 2799 [2024-10-12 20:32:13,880 INFO L226 Difference]: Without dead ends: 1620 [2024-10-12 20:32:13,888 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 [2024-10-12 20:32:13,891 INFO L432 NwaCegarLoop]: 1527 mSDtfsCounter, 8452 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8452 SdHoareTripleChecker+Valid, 1567 SdHoareTripleChecker+Invalid, 1357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:13,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8452 Valid, 1567 Invalid, 1357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-12 20:32:13,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2024-10-12 20:32:14,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1620. [2024-10-12 20:32:14,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 1598 states have (on average 1.3222778473091363) internal successors, (2113), 1619 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:14,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 2113 transitions. [2024-10-12 20:32:14,011 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 2113 transitions. Word has length 85 [2024-10-12 20:32:14,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:14,011 INFO L471 AbstractCegarLoop]: Abstraction has 1620 states and 2113 transitions. [2024-10-12 20:32:14,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:14,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2113 transitions. [2024-10-12 20:32:14,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-12 20:32:14,018 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:14,018 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] [2024-10-12 20:32:14,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 20:32:14,019 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:14,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:14,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1379625602, now seen corresponding path program 1 times [2024-10-12 20:32:14,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:14,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948932835] [2024-10-12 20:32:14,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:14,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:14,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:14,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:14,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948932835] [2024-10-12 20:32:14,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948932835] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:14,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:14,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 20:32:14,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211615295] [2024-10-12 20:32:14,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:14,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 20:32:14,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:14,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 20:32:14,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 20:32:14,348 INFO L87 Difference]: Start difference. First operand 1620 states and 2113 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:15,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:15,605 INFO L93 Difference]: Finished difference Result 2275 states and 2992 transitions. [2024-10-12 20:32:15,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 20:32:15,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2024-10-12 20:32:15,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:15,612 INFO L225 Difference]: With dead ends: 2275 [2024-10-12 20:32:15,613 INFO L226 Difference]: Without dead ends: 1492 [2024-10-12 20:32:15,615 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 [2024-10-12 20:32:15,616 INFO L432 NwaCegarLoop]: 802 mSDtfsCounter, 5770 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5770 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:15,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5770 Valid, 846 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-12 20:32:15,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1492 states. [2024-10-12 20:32:15,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1492 to 1492. [2024-10-12 20:32:15,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1492 states, 1470 states have (on average 1.3387755102040817) internal successors, (1968), 1491 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:15,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 1968 transitions. [2024-10-12 20:32:15,641 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 1968 transitions. Word has length 85 [2024-10-12 20:32:15,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:15,641 INFO L471 AbstractCegarLoop]: Abstraction has 1492 states and 1968 transitions. [2024-10-12 20:32:15,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:15,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1968 transitions. [2024-10-12 20:32:15,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-12 20:32:15,645 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:15,645 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] [2024-10-12 20:32:15,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 20:32:15,646 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)] === [2024-10-12 20:32:15,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:15,646 INFO L85 PathProgramCache]: Analyzing trace with hash -546397045, now seen corresponding path program 1 times [2024-10-12 20:32:15,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:15,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702605856] [2024-10-12 20:32:15,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:15,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:15,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:15,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:15,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702605856] [2024-10-12 20:32:15,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702605856] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:15,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:15,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 20:32:15,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146626220] [2024-10-12 20:32:15,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:15,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 20:32:15,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:15,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 20:32:15,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 20:32:15,847 INFO L87 Difference]: Start difference. First operand 1492 states and 1968 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:16,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:16,744 INFO L93 Difference]: Finished difference Result 2019 states and 2670 transitions. [2024-10-12 20:32:16,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 20:32:16,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2024-10-12 20:32:16,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:16,750 INFO L225 Difference]: With dead ends: 2019 [2024-10-12 20:32:16,750 INFO L226 Difference]: Without dead ends: 1252 [2024-10-12 20:32:16,752 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 [2024-10-12 20:32:16,754 INFO L432 NwaCegarLoop]: 764 mSDtfsCounter, 4945 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4945 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:16,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4945 Valid, 776 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-12 20:32:16,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2024-10-12 20:32:16,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1252. [2024-10-12 20:32:16,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1252 states, 1230 states have (on average 1.3585365853658538) internal successors, (1671), 1251 states have internal predecessors, (1671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:16,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1252 states and 1671 transitions. [2024-10-12 20:32:16,791 INFO L78 Accepts]: Start accepts. Automaton has 1252 states and 1671 transitions. Word has length 85 [2024-10-12 20:32:16,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:16,791 INFO L471 AbstractCegarLoop]: Abstraction has 1252 states and 1671 transitions. [2024-10-12 20:32:16,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:16,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1671 transitions. [2024-10-12 20:32:16,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-10-12 20:32:16,794 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:16,795 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] [2024-10-12 20:32:16,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-12 20:32:16,795 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:16,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:16,796 INFO L85 PathProgramCache]: Analyzing trace with hash 828162727, now seen corresponding path program 1 times [2024-10-12 20:32:16,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:16,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626936339] [2024-10-12 20:32:16,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:16,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:17,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:17,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:17,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626936339] [2024-10-12 20:32:17,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626936339] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:17,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:17,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 20:32:17,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565394042] [2024-10-12 20:32:17,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:17,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 20:32:17,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:17,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 20:32:17,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 20:32:17,047 INFO L87 Difference]: Start difference. First operand 1252 states and 1671 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) [2024-10-12 20:32:17,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:17,867 INFO L93 Difference]: Finished difference Result 1818 states and 2439 transitions. [2024-10-12 20:32:17,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 20:32:17,868 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 [2024-10-12 20:32:17,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:17,872 INFO L225 Difference]: With dead ends: 1818 [2024-10-12 20:32:17,872 INFO L226 Difference]: Without dead ends: 1161 [2024-10-12 20:32:17,873 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 [2024-10-12 20:32:17,874 INFO L432 NwaCegarLoop]: 731 mSDtfsCounter, 4635 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4635 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:17,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4635 Valid, 735 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-12 20:32:17,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2024-10-12 20:32:17,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1161. [2024-10-12 20:32:17,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 1139 states have (on average 1.3722563652326603) internal successors, (1563), 1160 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:17,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1563 transitions. [2024-10-12 20:32:17,898 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1563 transitions. Word has length 86 [2024-10-12 20:32:17,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:17,898 INFO L471 AbstractCegarLoop]: Abstraction has 1161 states and 1563 transitions. [2024-10-12 20:32:17,898 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) [2024-10-12 20:32:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1563 transitions. [2024-10-12 20:32:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-12 20:32:17,901 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:17,901 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:32:17,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-12 20:32:17,901 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:17,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:17,902 INFO L85 PathProgramCache]: Analyzing trace with hash -379387896, now seen corresponding path program 1 times [2024-10-12 20:32:17,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:17,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837241306] [2024-10-12 20:32:17,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:17,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:18,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:18,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:18,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837241306] [2024-10-12 20:32:18,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837241306] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:18,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:18,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 20:32:18,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34478417] [2024-10-12 20:32:18,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:18,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 20:32:18,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:18,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 20:32:18,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 20:32:18,096 INFO L87 Difference]: Start difference. First operand 1161 states and 1563 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:18,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:18,611 INFO L93 Difference]: Finished difference Result 1480 states and 1959 transitions. [2024-10-12 20:32:18,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 20:32:18,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2024-10-12 20:32:18,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:18,614 INFO L225 Difference]: With dead ends: 1480 [2024-10-12 20:32:18,614 INFO L226 Difference]: Without dead ends: 896 [2024-10-12 20:32:18,615 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 [2024-10-12 20:32:18,616 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 3516 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3516 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:18,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3516 Valid, 590 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-12 20:32:18,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2024-10-12 20:32:18,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 896. [2024-10-12 20:32:18,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 874 states have (on average 1.3787185354691076) internal successors, (1205), 895 states have internal predecessors, (1205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:18,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1205 transitions. [2024-10-12 20:32:18,630 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1205 transitions. Word has length 87 [2024-10-12 20:32:18,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:18,631 INFO L471 AbstractCegarLoop]: Abstraction has 896 states and 1205 transitions. [2024-10-12 20:32:18,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:18,631 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1205 transitions. [2024-10-12 20:32:18,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-12 20:32:18,633 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:18,633 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] [2024-10-12 20:32:18,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-12 20:32:18,634 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:18,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:18,634 INFO L85 PathProgramCache]: Analyzing trace with hash -211366857, now seen corresponding path program 1 times [2024-10-12 20:32:18,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:18,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151807571] [2024-10-12 20:32:18,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:18,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:18,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:18,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:18,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151807571] [2024-10-12 20:32:18,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151807571] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:18,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:18,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 20:32:18,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506868992] [2024-10-12 20:32:18,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:18,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 20:32:18,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:18,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 20:32:18,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 20:32:18,803 INFO L87 Difference]: Start difference. First operand 896 states and 1205 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) [2024-10-12 20:32:19,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:19,253 INFO L93 Difference]: Finished difference Result 1085 states and 1422 transitions. [2024-10-12 20:32:19,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 20:32:19,253 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 [2024-10-12 20:32:19,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:19,256 INFO L225 Difference]: With dead ends: 1085 [2024-10-12 20:32:19,256 INFO L226 Difference]: Without dead ends: 637 [2024-10-12 20:32:19,257 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 [2024-10-12 20:32:19,257 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 2443 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2443 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:19,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2443 Valid, 468 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-12 20:32:19,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-10-12 20:32:19,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2024-10-12 20:32:19,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.383739837398374) internal successors, (851), 636 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) [2024-10-12 20:32:19,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 851 transitions. [2024-10-12 20:32:19,268 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 851 transitions. Word has length 88 [2024-10-12 20:32:19,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:19,269 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 851 transitions. [2024-10-12 20:32:19,269 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) [2024-10-12 20:32:19,269 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 851 transitions. [2024-10-12 20:32:19,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-12 20:32:19,271 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:19,271 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] [2024-10-12 20:32:19,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-12 20:32:19,271 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:19,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:19,272 INFO L85 PathProgramCache]: Analyzing trace with hash 328508839, now seen corresponding path program 1 times [2024-10-12 20:32:19,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:19,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65075134] [2024-10-12 20:32:19,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:19,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:19,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:19,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:19,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65075134] [2024-10-12 20:32:19,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65075134] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:19,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:19,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-12 20:32:19,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672669770] [2024-10-12 20:32:19,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:19,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-12 20:32:19,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:19,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-12 20:32:19,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-12 20:32:19,839 INFO L87 Difference]: Start difference. First operand 637 states and 851 transitions. Second operand has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 10 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:21,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:21,321 INFO L93 Difference]: Finished difference Result 1088 states and 1462 transitions. [2024-10-12 20:32:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-12 20:32:21,321 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 10 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2024-10-12 20:32:21,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:21,324 INFO L225 Difference]: With dead ends: 1088 [2024-10-12 20:32:21,324 INFO L226 Difference]: Without dead ends: 989 [2024-10-12 20:32:21,325 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 [2024-10-12 20:32:21,325 INFO L432 NwaCegarLoop]: 465 mSDtfsCounter, 3597 mSDsluCounter, 2286 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3597 SdHoareTripleChecker+Valid, 2751 SdHoareTripleChecker+Invalid, 2322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:21,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3597 Valid, 2751 Invalid, 2322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 2313 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-12 20:32:21,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2024-10-12 20:32:21,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 644. [2024-10-12 20:32:21,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 622 states have (on average 1.3842443729903537) internal successors, (861), 643 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:21,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 861 transitions. [2024-10-12 20:32:21,344 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 861 transitions. Word has length 89 [2024-10-12 20:32:21,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:21,344 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 861 transitions. [2024-10-12 20:32:21,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 10 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:21,345 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 861 transitions. [2024-10-12 20:32:21,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-12 20:32:21,347 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:21,347 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] [2024-10-12 20:32:21,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-12 20:32:21,347 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:21,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:21,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1518979119, now seen corresponding path program 1 times [2024-10-12 20:32:21,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:21,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506117022] [2024-10-12 20:32:21,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:21,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:21,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:21,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:21,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506117022] [2024-10-12 20:32:21,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506117022] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:21,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:21,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-12 20:32:21,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616818341] [2024-10-12 20:32:21,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:21,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-12 20:32:21,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:21,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-12 20:32:21,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-12 20:32:21,980 INFO L87 Difference]: Start difference. First operand 644 states and 861 transitions. Second operand has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 10 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:23,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:23,384 INFO L93 Difference]: Finished difference Result 1128 states and 1522 transitions. [2024-10-12 20:32:23,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-12 20:32:23,385 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 10 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2024-10-12 20:32:23,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:23,388 INFO L225 Difference]: With dead ends: 1128 [2024-10-12 20:32:23,388 INFO L226 Difference]: Without dead ends: 990 [2024-10-12 20:32:23,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2024-10-12 20:32:23,390 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 3046 mSDsluCounter, 2057 mSDsCounter, 0 mSdLazyCounter, 2094 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3046 SdHoareTripleChecker+Valid, 2529 SdHoareTripleChecker+Invalid, 2103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:23,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3046 Valid, 2529 Invalid, 2103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 2094 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-12 20:32:23,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2024-10-12 20:32:23,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 644. [2024-10-12 20:32:23,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 622 states have (on average 1.382636655948553) internal successors, (860), 643 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:23,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 860 transitions. [2024-10-12 20:32:23,407 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 860 transitions. Word has length 89 [2024-10-12 20:32:23,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:23,407 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 860 transitions. [2024-10-12 20:32:23,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 10 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:23,407 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 860 transitions. [2024-10-12 20:32:23,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-12 20:32:23,409 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:23,409 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] [2024-10-12 20:32:23,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-12 20:32:23,409 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:23,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:23,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1669555108, now seen corresponding path program 1 times [2024-10-12 20:32:23,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:23,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364649045] [2024-10-12 20:32:23,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:23,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:23,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:23,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:23,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364649045] [2024-10-12 20:32:23,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364649045] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:23,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:23,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:23,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487965467] [2024-10-12 20:32:23,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:23,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:23,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:23,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:23,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:23,765 INFO L87 Difference]: Start difference. First operand 644 states and 860 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:24,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:24,819 INFO L93 Difference]: Finished difference Result 938 states and 1228 transitions. [2024-10-12 20:32:24,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-12 20:32:24,820 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2024-10-12 20:32:24,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:24,822 INFO L225 Difference]: With dead ends: 938 [2024-10-12 20:32:24,822 INFO L226 Difference]: Without dead ends: 933 [2024-10-12 20:32:24,822 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 [2024-10-12 20:32:24,823 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 3490 mSDsluCounter, 1419 mSDsCounter, 0 mSdLazyCounter, 1629 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3490 SdHoareTripleChecker+Valid, 1863 SdHoareTripleChecker+Invalid, 1633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:24,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3490 Valid, 1863 Invalid, 1633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1629 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-12 20:32:24,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2024-10-12 20:32:24,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 644. [2024-10-12 20:32:24,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 622 states have (on average 1.3810289389067525) internal successors, (859), 643 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) [2024-10-12 20:32:24,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 859 transitions. [2024-10-12 20:32:24,835 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 859 transitions. Word has length 89 [2024-10-12 20:32:24,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:24,835 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 859 transitions. [2024-10-12 20:32:24,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:24,836 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 859 transitions. [2024-10-12 20:32:24,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-12 20:32:24,837 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:24,837 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] [2024-10-12 20:32:24,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-12 20:32:24,838 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:24,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:24,838 INFO L85 PathProgramCache]: Analyzing trace with hash 231777635, now seen corresponding path program 1 times [2024-10-12 20:32:24,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:24,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683628916] [2024-10-12 20:32:24,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:24,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:25,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:25,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:25,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683628916] [2024-10-12 20:32:25,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683628916] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:25,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:25,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-12 20:32:25,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391765856] [2024-10-12 20:32:25,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:25,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-12 20:32:25,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:25,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 20:32:25,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-12 20:32:25,221 INFO L87 Difference]: Start difference. First operand 644 states and 859 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:26,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:26,115 INFO L93 Difference]: Finished difference Result 1207 states and 1569 transitions. [2024-10-12 20:32:26,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-12 20:32:26,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2024-10-12 20:32:26,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:26,117 INFO L225 Difference]: With dead ends: 1207 [2024-10-12 20:32:26,117 INFO L226 Difference]: Without dead ends: 861 [2024-10-12 20:32:26,118 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 [2024-10-12 20:32:26,119 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 2869 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 1535 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2869 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:26,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2869 Valid, 1388 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1535 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-12 20:32:26,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2024-10-12 20:32:26,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 644. [2024-10-12 20:32:26,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 622 states have (on average 1.3794212218649518) internal successors, (858), 643 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) [2024-10-12 20:32:26,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 858 transitions. [2024-10-12 20:32:26,128 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 858 transitions. Word has length 89 [2024-10-12 20:32:26,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:26,129 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 858 transitions. [2024-10-12 20:32:26,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:26,129 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 858 transitions. [2024-10-12 20:32:26,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-12 20:32:26,130 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:26,131 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:32:26,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-12 20:32:26,131 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:26,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:26,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1427714440, now seen corresponding path program 1 times [2024-10-12 20:32:26,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:26,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849395521] [2024-10-12 20:32:26,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:26,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:26,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:26,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:26,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849395521] [2024-10-12 20:32:26,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849395521] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:26,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:26,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:26,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590482658] [2024-10-12 20:32:26,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:26,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:26,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:26,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:26,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:26,446 INFO L87 Difference]: Start difference. First operand 644 states and 858 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:27,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:27,461 INFO L93 Difference]: Finished difference Result 938 states and 1225 transitions. [2024-10-12 20:32:27,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-12 20:32:27,461 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-10-12 20:32:27,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:27,463 INFO L225 Difference]: With dead ends: 938 [2024-10-12 20:32:27,463 INFO L226 Difference]: Without dead ends: 933 [2024-10-12 20:32:27,464 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 [2024-10-12 20:32:27,464 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 2307 mSDsluCounter, 1419 mSDsCounter, 0 mSdLazyCounter, 1621 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2307 SdHoareTripleChecker+Valid, 1863 SdHoareTripleChecker+Invalid, 1625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:27,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2307 Valid, 1863 Invalid, 1625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1621 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-12 20:32:27,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2024-10-12 20:32:27,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 644. [2024-10-12 20:32:27,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 622 states have (on average 1.3778135048231512) internal successors, (857), 643 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) [2024-10-12 20:32:27,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 857 transitions. [2024-10-12 20:32:27,475 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 857 transitions. Word has length 91 [2024-10-12 20:32:27,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:27,475 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 857 transitions. [2024-10-12 20:32:27,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:27,476 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 857 transitions. [2024-10-12 20:32:27,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-12 20:32:27,477 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:27,477 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:32:27,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-12 20:32:27,478 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:27,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:27,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1221078273, now seen corresponding path program 1 times [2024-10-12 20:32:27,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:27,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267388865] [2024-10-12 20:32:27,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:27,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:27,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:27,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:27,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267388865] [2024-10-12 20:32:27,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267388865] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:27,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:27,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:27,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898864468] [2024-10-12 20:32:27,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:27,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:27,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:27,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:27,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:27,825 INFO L87 Difference]: Start difference. First operand 644 states and 857 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:28,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:28,947 INFO L93 Difference]: Finished difference Result 1126 states and 1513 transitions. [2024-10-12 20:32:28,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:32:28,948 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-10-12 20:32:28,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:28,951 INFO L225 Difference]: With dead ends: 1126 [2024-10-12 20:32:28,951 INFO L226 Difference]: Without dead ends: 988 [2024-10-12 20:32:28,952 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 [2024-10-12 20:32:28,952 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 2574 mSDsluCounter, 2155 mSDsCounter, 0 mSdLazyCounter, 2057 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 2629 SdHoareTripleChecker+Invalid, 2061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:28,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2574 Valid, 2629 Invalid, 2061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2057 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 20:32:28,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-10-12 20:32:28,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 644. [2024-10-12 20:32:28,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 622 states have (on average 1.3762057877813505) internal successors, (856), 643 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) [2024-10-12 20:32:28,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 856 transitions. [2024-10-12 20:32:28,963 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 856 transitions. Word has length 91 [2024-10-12 20:32:28,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:28,964 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 856 transitions. [2024-10-12 20:32:28,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:28,964 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 856 transitions. [2024-10-12 20:32:28,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-12 20:32:28,966 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:28,966 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] [2024-10-12 20:32:28,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-12 20:32:28,966 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:28,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:28,967 INFO L85 PathProgramCache]: Analyzing trace with hash -982216986, now seen corresponding path program 1 times [2024-10-12 20:32:28,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:28,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621031021] [2024-10-12 20:32:28,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:28,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:29,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:29,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:29,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621031021] [2024-10-12 20:32:29,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621031021] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:29,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:29,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-12 20:32:29,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386767554] [2024-10-12 20:32:29,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:29,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-12 20:32:29,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:29,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-12 20:32:29,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-12 20:32:29,511 INFO L87 Difference]: Start difference. First operand 644 states and 856 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 9 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:31,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:31,056 INFO L93 Difference]: Finished difference Result 1309 states and 1760 transitions. [2024-10-12 20:32:31,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-12 20:32:31,056 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 9 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-10-12 20:32:31,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:31,059 INFO L225 Difference]: With dead ends: 1309 [2024-10-12 20:32:31,059 INFO L226 Difference]: Without dead ends: 1087 [2024-10-12 20:32:31,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-10-12 20:32:31,060 INFO L432 NwaCegarLoop]: 708 mSDtfsCounter, 2966 mSDsluCounter, 3639 mSDsCounter, 0 mSdLazyCounter, 3483 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2966 SdHoareTripleChecker+Valid, 4347 SdHoareTripleChecker+Invalid, 3491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 3483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:31,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2966 Valid, 4347 Invalid, 3491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 3483 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-12 20:32:31,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2024-10-12 20:32:31,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 644. [2024-10-12 20:32:31,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 622 states have (on average 1.3745980707395498) internal successors, (855), 643 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) [2024-10-12 20:32:31,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 855 transitions. [2024-10-12 20:32:31,070 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 855 transitions. Word has length 91 [2024-10-12 20:32:31,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:31,070 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 855 transitions. [2024-10-12 20:32:31,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 9 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:31,070 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 855 transitions. [2024-10-12 20:32:31,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-12 20:32:31,072 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:31,072 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] [2024-10-12 20:32:31,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-12 20:32:31,072 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:31,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:31,073 INFO L85 PathProgramCache]: Analyzing trace with hash -867898654, now seen corresponding path program 1 times [2024-10-12 20:32:31,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:31,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418811860] [2024-10-12 20:32:31,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:31,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:31,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:31,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:31,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418811860] [2024-10-12 20:32:31,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418811860] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:31,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:31,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:31,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092953457] [2024-10-12 20:32:31,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:31,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:31,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:31,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:31,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:31,407 INFO L87 Difference]: Start difference. First operand 644 states and 855 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:32,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:32,529 INFO L93 Difference]: Finished difference Result 1178 states and 1582 transitions. [2024-10-12 20:32:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:32:32,530 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-10-12 20:32:32,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:32,532 INFO L225 Difference]: With dead ends: 1178 [2024-10-12 20:32:32,533 INFO L226 Difference]: Without dead ends: 986 [2024-10-12 20:32:32,533 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 [2024-10-12 20:32:32,533 INFO L432 NwaCegarLoop]: 825 mSDtfsCounter, 2567 mSDsluCounter, 2752 mSDsCounter, 0 mSdLazyCounter, 2508 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2567 SdHoareTripleChecker+Valid, 3577 SdHoareTripleChecker+Invalid, 2512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:32,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2567 Valid, 3577 Invalid, 2512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2508 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 20:32:32,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2024-10-12 20:32:32,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 637. [2024-10-12 20:32:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3739837398373984) internal successors, (845), 636 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:32,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 845 transitions. [2024-10-12 20:32:32,546 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 845 transitions. Word has length 91 [2024-10-12 20:32:32,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:32,546 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 845 transitions. [2024-10-12 20:32:32,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:32,546 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 845 transitions. [2024-10-12 20:32:32,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-12 20:32:32,548 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:32,548 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] [2024-10-12 20:32:32,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-12 20:32:32,548 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:32,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:32,549 INFO L85 PathProgramCache]: Analyzing trace with hash 646324256, now seen corresponding path program 1 times [2024-10-12 20:32:32,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:32,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320203224] [2024-10-12 20:32:32,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:32,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:32,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:32,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:32,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320203224] [2024-10-12 20:32:32,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320203224] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:32,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:32,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:32,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271177568] [2024-10-12 20:32:32,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:32,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:32,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:32,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:32,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:32,914 INFO L87 Difference]: Start difference. First operand 637 states and 845 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:33,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:33,773 INFO L93 Difference]: Finished difference Result 1002 states and 1319 transitions. [2024-10-12 20:32:33,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-12 20:32:33,774 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-10-12 20:32:33,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:33,776 INFO L225 Difference]: With dead ends: 1002 [2024-10-12 20:32:33,776 INFO L226 Difference]: Without dead ends: 926 [2024-10-12 20:32:33,777 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 [2024-10-12 20:32:33,777 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 3463 mSDsluCounter, 1419 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3463 SdHoareTripleChecker+Valid, 1863 SdHoareTripleChecker+Invalid, 1611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:33,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3463 Valid, 1863 Invalid, 1611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1607 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-12 20:32:33,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2024-10-12 20:32:33,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 637. [2024-10-12 20:32:33,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3723577235772357) internal successors, (844), 636 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:33,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 844 transitions. [2024-10-12 20:32:33,788 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 844 transitions. Word has length 91 [2024-10-12 20:32:33,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:33,788 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 844 transitions. [2024-10-12 20:32:33,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:33,788 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 844 transitions. [2024-10-12 20:32:33,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-12 20:32:33,790 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:33,790 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] [2024-10-12 20:32:33,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-12 20:32:33,790 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:33,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:33,791 INFO L85 PathProgramCache]: Analyzing trace with hash 2043183991, now seen corresponding path program 1 times [2024-10-12 20:32:33,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:33,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103198509] [2024-10-12 20:32:33,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:33,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:34,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:34,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103198509] [2024-10-12 20:32:34,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103198509] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:34,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:34,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:34,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545686869] [2024-10-12 20:32:34,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:34,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:34,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:34,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:34,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:34,141 INFO L87 Difference]: Start difference. First operand 637 states and 844 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:35,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:35,271 INFO L93 Difference]: Finished difference Result 1105 states and 1488 transitions. [2024-10-12 20:32:35,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:32:35,271 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-10-12 20:32:35,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:35,274 INFO L225 Difference]: With dead ends: 1105 [2024-10-12 20:32:35,274 INFO L226 Difference]: Without dead ends: 981 [2024-10-12 20:32:35,274 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 [2024-10-12 20:32:35,275 INFO L432 NwaCegarLoop]: 912 mSDtfsCounter, 2558 mSDsluCounter, 2921 mSDsCounter, 0 mSdLazyCounter, 2610 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2558 SdHoareTripleChecker+Valid, 3833 SdHoareTripleChecker+Invalid, 2613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:35,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2558 Valid, 3833 Invalid, 2613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2610 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 20:32:35,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2024-10-12 20:32:35,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 637. [2024-10-12 20:32:35,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3707317073170733) internal successors, (843), 636 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:35,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 843 transitions. [2024-10-12 20:32:35,282 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 843 transitions. Word has length 91 [2024-10-12 20:32:35,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:35,283 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 843 transitions. [2024-10-12 20:32:35,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:35,283 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 843 transitions. [2024-10-12 20:32:35,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-12 20:32:35,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:35,284 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] [2024-10-12 20:32:35,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-12 20:32:35,285 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:35,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:35,285 INFO L85 PathProgramCache]: Analyzing trace with hash 850721804, now seen corresponding path program 1 times [2024-10-12 20:32:35,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:35,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016209001] [2024-10-12 20:32:35,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:35,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:35,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:35,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016209001] [2024-10-12 20:32:35,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016209001] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:35,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:35,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:35,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742659863] [2024-10-12 20:32:35,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:35,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:35,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:35,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:35,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:35,664 INFO L87 Difference]: Start difference. First operand 637 states and 843 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:36,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:36,757 INFO L93 Difference]: Finished difference Result 1073 states and 1434 transitions. [2024-10-12 20:32:36,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:32:36,758 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-10-12 20:32:36,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:36,760 INFO L225 Difference]: With dead ends: 1073 [2024-10-12 20:32:36,760 INFO L226 Difference]: Without dead ends: 974 [2024-10-12 20:32:36,761 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 [2024-10-12 20:32:36,761 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 2570 mSDsluCounter, 2341 mSDsCounter, 0 mSdLazyCounter, 2238 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2570 SdHoareTripleChecker+Valid, 2955 SdHoareTripleChecker+Invalid, 2242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:36,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2570 Valid, 2955 Invalid, 2242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2238 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 20:32:36,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2024-10-12 20:32:36,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 637. [2024-10-12 20:32:36,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3691056910569106) internal successors, (842), 636 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:36,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 842 transitions. [2024-10-12 20:32:36,769 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 842 transitions. Word has length 91 [2024-10-12 20:32:36,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:36,769 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 842 transitions. [2024-10-12 20:32:36,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:36,769 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 842 transitions. [2024-10-12 20:32:36,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-12 20:32:36,770 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:36,771 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] [2024-10-12 20:32:36,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-12 20:32:36,771 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:36,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:36,771 INFO L85 PathProgramCache]: Analyzing trace with hash 2041192084, now seen corresponding path program 1 times [2024-10-12 20:32:36,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:36,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523956233] [2024-10-12 20:32:36,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:36,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:37,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:37,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:37,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523956233] [2024-10-12 20:32:37,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523956233] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:37,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:37,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:37,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516119931] [2024-10-12 20:32:37,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:37,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:37,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:37,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:37,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:37,036 INFO L87 Difference]: Start difference. First operand 637 states and 842 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:38,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:38,251 INFO L93 Difference]: Finished difference Result 1119 states and 1500 transitions. [2024-10-12 20:32:38,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-12 20:32:38,251 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2024-10-12 20:32:38,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:38,253 INFO L225 Difference]: With dead ends: 1119 [2024-10-12 20:32:38,253 INFO L226 Difference]: Without dead ends: 981 [2024-10-12 20:32:38,254 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 [2024-10-12 20:32:38,254 INFO L432 NwaCegarLoop]: 721 mSDtfsCounter, 2589 mSDsluCounter, 2354 mSDsCounter, 0 mSdLazyCounter, 2413 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2589 SdHoareTripleChecker+Valid, 3075 SdHoareTripleChecker+Invalid, 2416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:38,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2589 Valid, 3075 Invalid, 2416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2413 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-12 20:32:38,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2024-10-12 20:32:38,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 637. [2024-10-12 20:32:38,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.367479674796748) internal successors, (841), 636 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:38,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 841 transitions. [2024-10-12 20:32:38,262 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 841 transitions. Word has length 91 [2024-10-12 20:32:38,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:38,262 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 841 transitions. [2024-10-12 20:32:38,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:38,262 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 841 transitions. [2024-10-12 20:32:38,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-12 20:32:38,264 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:38,264 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] [2024-10-12 20:32:38,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-12 20:32:38,264 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:38,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:38,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1474627327, now seen corresponding path program 1 times [2024-10-12 20:32:38,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:38,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205224821] [2024-10-12 20:32:38,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:38,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:38,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:38,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:38,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205224821] [2024-10-12 20:32:38,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205224821] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:38,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:38,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:38,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353595989] [2024-10-12 20:32:38,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:38,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:38,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:38,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:38,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:38,554 INFO L87 Difference]: Start difference. First operand 637 states and 841 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:39,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:39,482 INFO L93 Difference]: Finished difference Result 1049 states and 1387 transitions. [2024-10-12 20:32:39,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-12 20:32:39,482 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-12 20:32:39,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:39,484 INFO L225 Difference]: With dead ends: 1049 [2024-10-12 20:32:39,484 INFO L226 Difference]: Without dead ends: 958 [2024-10-12 20:32:39,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-10-12 20:32:39,485 INFO L432 NwaCegarLoop]: 479 mSDtfsCounter, 2177 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1682 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2177 SdHoareTripleChecker+Valid, 2066 SdHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:39,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2177 Valid, 2066 Invalid, 1686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1682 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-12 20:32:39,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-10-12 20:32:39,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 637. [2024-10-12 20:32:39,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3658536585365855) internal successors, (840), 636 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:39,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 840 transitions. [2024-10-12 20:32:39,491 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 840 transitions. Word has length 93 [2024-10-12 20:32:39,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:39,491 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 840 transitions. [2024-10-12 20:32:39,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:39,492 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 840 transitions. [2024-10-12 20:32:39,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-12 20:32:39,492 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:39,493 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] [2024-10-12 20:32:39,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-12 20:32:39,493 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:39,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:39,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1188585192, now seen corresponding path program 1 times [2024-10-12 20:32:39,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:39,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379592841] [2024-10-12 20:32:39,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:39,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:39,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:39,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:39,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379592841] [2024-10-12 20:32:39,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379592841] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:39,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:39,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:39,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709222865] [2024-10-12 20:32:39,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:39,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:39,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:39,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:39,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:39,785 INFO L87 Difference]: Start difference. First operand 637 states and 840 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:40,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:40,860 INFO L93 Difference]: Finished difference Result 1082 states and 1438 transitions. [2024-10-12 20:32:40,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:32:40,860 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-12 20:32:40,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:40,863 INFO L225 Difference]: With dead ends: 1082 [2024-10-12 20:32:40,863 INFO L226 Difference]: Without dead ends: 974 [2024-10-12 20:32:40,864 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 [2024-10-12 20:32:40,864 INFO L432 NwaCegarLoop]: 696 mSDtfsCounter, 2558 mSDsluCounter, 2488 mSDsCounter, 0 mSdLazyCounter, 2333 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2558 SdHoareTripleChecker+Valid, 3184 SdHoareTripleChecker+Invalid, 2337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:40,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2558 Valid, 3184 Invalid, 2337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2333 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 20:32:40,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2024-10-12 20:32:40,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 637. [2024-10-12 20:32:40,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3642276422764228) internal successors, (839), 636 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:40,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 839 transitions. [2024-10-12 20:32:40,874 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 839 transitions. Word has length 93 [2024-10-12 20:32:40,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:40,874 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 839 transitions. [2024-10-12 20:32:40,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:40,875 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 839 transitions. [2024-10-12 20:32:40,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-12 20:32:40,876 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:40,876 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] [2024-10-12 20:32:40,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-12 20:32:40,877 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:40,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:40,878 INFO L85 PathProgramCache]: Analyzing trace with hash -281811597, now seen corresponding path program 1 times [2024-10-12 20:32:40,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:40,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132584103] [2024-10-12 20:32:40,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:40,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:41,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:41,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:41,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132584103] [2024-10-12 20:32:41,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132584103] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:41,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:41,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:41,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350446843] [2024-10-12 20:32:41,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:41,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:41,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:41,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:41,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:41,168 INFO L87 Difference]: Start difference. First operand 637 states and 839 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:42,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:42,211 INFO L93 Difference]: Finished difference Result 1044 states and 1380 transitions. [2024-10-12 20:32:42,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:32:42,212 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-12 20:32:42,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:42,214 INFO L225 Difference]: With dead ends: 1044 [2024-10-12 20:32:42,214 INFO L226 Difference]: Without dead ends: 958 [2024-10-12 20:32:42,214 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 [2024-10-12 20:32:42,215 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 3283 mSDsluCounter, 1668 mSDsCounter, 0 mSdLazyCounter, 1731 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3283 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 1735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:42,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3283 Valid, 2173 Invalid, 1735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1731 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-12 20:32:42,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-10-12 20:32:42,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 637. [2024-10-12 20:32:42,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3626016260162601) internal successors, (838), 636 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:42,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 838 transitions. [2024-10-12 20:32:42,224 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 838 transitions. Word has length 93 [2024-10-12 20:32:42,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:42,224 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 838 transitions. [2024-10-12 20:32:42,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:42,224 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 838 transitions. [2024-10-12 20:32:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-12 20:32:42,226 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:42,226 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] [2024-10-12 20:32:42,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-12 20:32:42,226 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:42,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:42,226 INFO L85 PathProgramCache]: Analyzing trace with hash -610424553, now seen corresponding path program 1 times [2024-10-12 20:32:42,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:42,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817079439] [2024-10-12 20:32:42,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:42,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:42,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:42,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:42,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817079439] [2024-10-12 20:32:42,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817079439] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:42,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:42,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:42,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210771175] [2024-10-12 20:32:42,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:42,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:42,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:42,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:42,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:42,485 INFO L87 Difference]: Start difference. First operand 637 states and 838 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:43,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:43,473 INFO L93 Difference]: Finished difference Result 1134 states and 1505 transitions. [2024-10-12 20:32:43,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-12 20:32:43,475 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-12 20:32:43,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:43,479 INFO L225 Difference]: With dead ends: 1134 [2024-10-12 20:32:43,479 INFO L226 Difference]: Without dead ends: 981 [2024-10-12 20:32:43,479 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 [2024-10-12 20:32:43,480 INFO L432 NwaCegarLoop]: 674 mSDtfsCounter, 1824 mSDsluCounter, 2215 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 2889 SdHoareTripleChecker+Invalid, 2192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:43,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1824 Valid, 2889 Invalid, 2192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2188 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-12 20:32:43,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2024-10-12 20:32:43,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 637. [2024-10-12 20:32:43,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.3609756097560977) internal successors, (837), 636 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:43,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 837 transitions. [2024-10-12 20:32:43,489 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 837 transitions. Word has length 93 [2024-10-12 20:32:43,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:43,490 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 837 transitions. [2024-10-12 20:32:43,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:43,490 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 837 transitions. [2024-10-12 20:32:43,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-12 20:32:43,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:43,491 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] [2024-10-12 20:32:43,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-12 20:32:43,492 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:43,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:43,492 INFO L85 PathProgramCache]: Analyzing trace with hash 410318044, now seen corresponding path program 1 times [2024-10-12 20:32:43,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:43,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799481428] [2024-10-12 20:32:43,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:43,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:43,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:43,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:43,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799481428] [2024-10-12 20:32:43,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799481428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:43,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:43,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:43,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798649192] [2024-10-12 20:32:43,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:43,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:43,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:43,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:43,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:43,768 INFO L87 Difference]: Start difference. First operand 637 states and 837 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:44,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:44,604 INFO L93 Difference]: Finished difference Result 1044 states and 1377 transitions. [2024-10-12 20:32:44,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:32:44,604 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-12 20:32:44,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:44,606 INFO L225 Difference]: With dead ends: 1044 [2024-10-12 20:32:44,606 INFO L226 Difference]: Without dead ends: 958 [2024-10-12 20:32:44,607 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 [2024-10-12 20:32:44,607 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 3276 mSDsluCounter, 1668 mSDsCounter, 0 mSdLazyCounter, 1724 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3276 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 1728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:44,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3276 Valid, 2173 Invalid, 1728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1724 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-12 20:32:44,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-10-12 20:32:44,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 637. [2024-10-12 20:32:44,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 615 states have (on average 1.359349593495935) internal successors, (836), 636 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:44,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 836 transitions. [2024-10-12 20:32:44,615 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 836 transitions. Word has length 93 [2024-10-12 20:32:44,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:44,615 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 836 transitions. [2024-10-12 20:32:44,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:44,615 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 836 transitions. [2024-10-12 20:32:44,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-12 20:32:44,616 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:44,616 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] [2024-10-12 20:32:44,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-12 20:32:44,617 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:44,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:44,617 INFO L85 PathProgramCache]: Analyzing trace with hash -603748374, now seen corresponding path program 1 times [2024-10-12 20:32:44,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:44,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695549077] [2024-10-12 20:32:44,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:44,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:45,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:45,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:45,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695549077] [2024-10-12 20:32:45,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695549077] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:45,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:45,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-12 20:32:45,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610683554] [2024-10-12 20:32:45,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:45,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-12 20:32:45,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:45,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-12 20:32:45,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-12 20:32:45,288 INFO L87 Difference]: Start difference. First operand 637 states and 836 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:46,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:46,777 INFO L93 Difference]: Finished difference Result 1344 states and 1818 transitions. [2024-10-12 20:32:46,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-12 20:32:46,777 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-12 20:32:46,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:46,781 INFO L225 Difference]: With dead ends: 1344 [2024-10-12 20:32:46,781 INFO L226 Difference]: Without dead ends: 1236 [2024-10-12 20:32:46,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2024-10-12 20:32:46,782 INFO L432 NwaCegarLoop]: 645 mSDtfsCounter, 5888 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 2360 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5888 SdHoareTripleChecker+Valid, 2921 SdHoareTripleChecker+Invalid, 2562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 2360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:46,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5888 Valid, 2921 Invalid, 2562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 2360 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-12 20:32:46,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2024-10-12 20:32:46,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 641. [2024-10-12 20:32:46,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.35702746365105) internal successors, (840), 640 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:46,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 840 transitions. [2024-10-12 20:32:46,793 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 840 transitions. Word has length 93 [2024-10-12 20:32:46,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:46,794 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 840 transitions. [2024-10-12 20:32:46,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:46,794 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 840 transitions. [2024-10-12 20:32:46,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-12 20:32:46,795 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:46,795 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] [2024-10-12 20:32:46,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-12 20:32:46,796 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)] === [2024-10-12 20:32:46,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:46,796 INFO L85 PathProgramCache]: Analyzing trace with hash 302673136, now seen corresponding path program 1 times [2024-10-12 20:32:46,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:46,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134261653] [2024-10-12 20:32:46,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:46,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:47,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:47,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:47,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134261653] [2024-10-12 20:32:47,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134261653] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:47,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:47,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:47,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568213909] [2024-10-12 20:32:47,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:47,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:47,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:47,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:47,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:47,102 INFO L87 Difference]: Start difference. First operand 641 states and 840 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:48,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:48,136 INFO L93 Difference]: Finished difference Result 1073 states and 1423 transitions. [2024-10-12 20:32:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:32:48,136 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-12 20:32:48,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:48,139 INFO L225 Difference]: With dead ends: 1073 [2024-10-12 20:32:48,139 INFO L226 Difference]: Without dead ends: 974 [2024-10-12 20:32:48,140 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 [2024-10-12 20:32:48,140 INFO L432 NwaCegarLoop]: 749 mSDtfsCounter, 2545 mSDsluCounter, 2599 mSDsCounter, 0 mSdLazyCounter, 2367 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2545 SdHoareTripleChecker+Valid, 3348 SdHoareTripleChecker+Invalid, 2371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:48,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2545 Valid, 3348 Invalid, 2371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2367 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-12 20:32:48,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2024-10-12 20:32:48,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 641. [2024-10-12 20:32:48,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3554119547657513) internal successors, (839), 640 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:48,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 839 transitions. [2024-10-12 20:32:48,150 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 839 transitions. Word has length 93 [2024-10-12 20:32:48,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:48,150 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 839 transitions. [2024-10-12 20:32:48,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:48,150 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 839 transitions. [2024-10-12 20:32:48,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-12 20:32:48,151 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:48,151 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] [2024-10-12 20:32:48,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-12 20:32:48,152 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:48,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:48,152 INFO L85 PathProgramCache]: Analyzing trace with hash 690949312, now seen corresponding path program 1 times [2024-10-12 20:32:48,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:48,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072951489] [2024-10-12 20:32:48,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:48,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:48,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:48,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072951489] [2024-10-12 20:32:48,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072951489] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:48,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:48,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:48,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571789486] [2024-10-12 20:32:48,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:48,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:48,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:48,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:48,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:48,476 INFO L87 Difference]: Start difference. First operand 641 states and 839 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:49,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:49,346 INFO L93 Difference]: Finished difference Result 1044 states and 1376 transitions. [2024-10-12 20:32:49,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:32:49,346 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-12 20:32:49,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:49,349 INFO L225 Difference]: With dead ends: 1044 [2024-10-12 20:32:49,350 INFO L226 Difference]: Without dead ends: 962 [2024-10-12 20:32:49,350 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 [2024-10-12 20:32:49,351 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 3205 mSDsluCounter, 1719 mSDsCounter, 0 mSdLazyCounter, 1776 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3205 SdHoareTripleChecker+Valid, 2241 SdHoareTripleChecker+Invalid, 1780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:49,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3205 Valid, 2241 Invalid, 1780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1776 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-12 20:32:49,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2024-10-12 20:32:49,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 641. [2024-10-12 20:32:49,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3537964458804523) internal successors, (838), 640 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:49,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 838 transitions. [2024-10-12 20:32:49,359 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 838 transitions. Word has length 93 [2024-10-12 20:32:49,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:49,360 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 838 transitions. [2024-10-12 20:32:49,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:49,360 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 838 transitions. [2024-10-12 20:32:49,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-12 20:32:49,361 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:49,361 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] [2024-10-12 20:32:49,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-12 20:32:49,361 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:49,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:49,362 INFO L85 PathProgramCache]: Analyzing trace with hash 99757788, now seen corresponding path program 1 times [2024-10-12 20:32:49,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:49,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911581837] [2024-10-12 20:32:49,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:49,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:49,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:49,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911581837] [2024-10-12 20:32:49,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911581837] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:49,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:49,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:49,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626546044] [2024-10-12 20:32:49,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:49,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:49,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:49,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:49,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:49,591 INFO L87 Difference]: Start difference. First operand 641 states and 838 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:50,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:50,412 INFO L93 Difference]: Finished difference Result 1048 states and 1377 transitions. [2024-10-12 20:32:50,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-12 20:32:50,413 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-12 20:32:50,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:50,415 INFO L225 Difference]: With dead ends: 1048 [2024-10-12 20:32:50,415 INFO L226 Difference]: Without dead ends: 962 [2024-10-12 20:32:50,416 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 [2024-10-12 20:32:50,416 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 2085 mSDsluCounter, 1716 mSDsCounter, 0 mSdLazyCounter, 1774 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 2238 SdHoareTripleChecker+Invalid, 1778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:50,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2085 Valid, 2238 Invalid, 1778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1774 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-12 20:32:50,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2024-10-12 20:32:50,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 641. [2024-10-12 20:32:50,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3521809369951534) internal successors, (837), 640 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:50,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 837 transitions. [2024-10-12 20:32:50,425 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 837 transitions. Word has length 93 [2024-10-12 20:32:50,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:50,426 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 837 transitions. [2024-10-12 20:32:50,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:50,426 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 837 transitions. [2024-10-12 20:32:50,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-12 20:32:50,427 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:50,427 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:32:50,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-12 20:32:50,428 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:50,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:50,428 INFO L85 PathProgramCache]: Analyzing trace with hash -839930569, now seen corresponding path program 1 times [2024-10-12 20:32:50,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:50,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449856044] [2024-10-12 20:32:50,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:50,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:50,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:50,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:50,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449856044] [2024-10-12 20:32:50,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449856044] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:50,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:50,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-12 20:32:50,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762795070] [2024-10-12 20:32:50,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:50,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-12 20:32:50,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:50,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-12 20:32:50,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-12 20:32:50,864 INFO L87 Difference]: Start difference. First operand 641 states and 837 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:52,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:52,593 INFO L93 Difference]: Finished difference Result 1335 states and 1804 transitions. [2024-10-12 20:32:52,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-12 20:32:52,594 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-12 20:32:52,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:52,596 INFO L225 Difference]: With dead ends: 1335 [2024-10-12 20:32:52,596 INFO L226 Difference]: Without dead ends: 1236 [2024-10-12 20:32:52,597 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 [2024-10-12 20:32:52,597 INFO L432 NwaCegarLoop]: 693 mSDtfsCounter, 5141 mSDsluCounter, 3121 mSDsCounter, 0 mSdLazyCounter, 3110 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5141 SdHoareTripleChecker+Valid, 3814 SdHoareTripleChecker+Invalid, 3310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 3110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:52,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5141 Valid, 3814 Invalid, 3310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 3110 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-12 20:32:52,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2024-10-12 20:32:52,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 645. [2024-10-12 20:32:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3499197431781702) internal successors, (841), 644 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:52,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 841 transitions. [2024-10-12 20:32:52,605 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 841 transitions. Word has length 93 [2024-10-12 20:32:52,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:52,605 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 841 transitions. [2024-10-12 20:32:52,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:52,605 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 841 transitions. [2024-10-12 20:32:52,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-12 20:32:52,606 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:52,606 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] [2024-10-12 20:32:52,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-12 20:32:52,607 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:52,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:52,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1312261900, now seen corresponding path program 1 times [2024-10-12 20:32:52,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:52,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265799539] [2024-10-12 20:32:52,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:52,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:52,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:52,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:52,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265799539] [2024-10-12 20:32:52,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265799539] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:52,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:52,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:52,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411339770] [2024-10-12 20:32:52,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:52,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:52,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:52,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:52,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:52,853 INFO L87 Difference]: Start difference. First operand 645 states and 841 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:53,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:53,661 INFO L93 Difference]: Finished difference Result 1010 states and 1314 transitions. [2024-10-12 20:32:53,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-12 20:32:53,662 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-12 20:32:53,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:53,663 INFO L225 Difference]: With dead ends: 1010 [2024-10-12 20:32:53,663 INFO L226 Difference]: Without dead ends: 934 [2024-10-12 20:32:53,664 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 [2024-10-12 20:32:53,664 INFO L432 NwaCegarLoop]: 487 mSDtfsCounter, 2181 mSDsluCounter, 1548 mSDsCounter, 0 mSdLazyCounter, 1680 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2181 SdHoareTripleChecker+Valid, 2035 SdHoareTripleChecker+Invalid, 1684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:53,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2181 Valid, 2035 Invalid, 1684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1680 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-12 20:32:53,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2024-10-12 20:32:53,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 645. [2024-10-12 20:32:53,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.348314606741573) internal successors, (840), 644 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:53,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 840 transitions. [2024-10-12 20:32:53,672 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 840 transitions. Word has length 93 [2024-10-12 20:32:53,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:53,672 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 840 transitions. [2024-10-12 20:32:53,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:53,672 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 840 transitions. [2024-10-12 20:32:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-12 20:32:53,673 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:53,673 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:32:53,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-12 20:32:53,673 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:53,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:53,673 INFO L85 PathProgramCache]: Analyzing trace with hash 991764837, now seen corresponding path program 1 times [2024-10-12 20:32:53,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:53,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476864513] [2024-10-12 20:32:53,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:53,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:53,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:53,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:53,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476864513] [2024-10-12 20:32:53,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476864513] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:53,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:53,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:53,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487941213] [2024-10-12 20:32:53,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:53,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:53,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:53,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:53,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:53,942 INFO L87 Difference]: Start difference. First operand 645 states and 840 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:54,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:54,979 INFO L93 Difference]: Finished difference Result 1068 states and 1412 transitions. [2024-10-12 20:32:54,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:32:54,980 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-12 20:32:54,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:54,981 INFO L225 Difference]: With dead ends: 1068 [2024-10-12 20:32:54,981 INFO L226 Difference]: Without dead ends: 974 [2024-10-12 20:32:54,982 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 [2024-10-12 20:32:54,982 INFO L432 NwaCegarLoop]: 715 mSDtfsCounter, 2534 mSDsluCounter, 2548 mSDsCounter, 0 mSdLazyCounter, 2291 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2534 SdHoareTripleChecker+Valid, 3263 SdHoareTripleChecker+Invalid, 2295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:54,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2534 Valid, 3263 Invalid, 2295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2291 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-12 20:32:54,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2024-10-12 20:32:54,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 645. [2024-10-12 20:32:54,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.346709470304976) internal successors, (839), 644 states have internal predecessors, (839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 839 transitions. [2024-10-12 20:32:54,990 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 839 transitions. Word has length 93 [2024-10-12 20:32:54,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:54,991 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 839 transitions. [2024-10-12 20:32:54,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:54,991 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 839 transitions. [2024-10-12 20:32:54,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-12 20:32:54,992 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:54,992 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] [2024-10-12 20:32:54,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-12 20:32:54,993 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:54,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:54,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1532412921, now seen corresponding path program 1 times [2024-10-12 20:32:54,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:54,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723382137] [2024-10-12 20:32:54,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:54,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:55,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:55,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:55,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723382137] [2024-10-12 20:32:55,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723382137] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:55,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:55,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:55,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899360242] [2024-10-12 20:32:55,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:55,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:55,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:55,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:55,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:55,242 INFO L87 Difference]: Start difference. First operand 645 states and 839 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:56,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:56,035 INFO L93 Difference]: Finished difference Result 1013 states and 1314 transitions. [2024-10-12 20:32:56,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-12 20:32:56,035 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-12 20:32:56,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:56,037 INFO L225 Difference]: With dead ends: 1013 [2024-10-12 20:32:56,037 INFO L226 Difference]: Without dead ends: 934 [2024-10-12 20:32:56,037 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 [2024-10-12 20:32:56,038 INFO L432 NwaCegarLoop]: 487 mSDtfsCounter, 2174 mSDsluCounter, 1548 mSDsCounter, 0 mSdLazyCounter, 1672 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2174 SdHoareTripleChecker+Valid, 2035 SdHoareTripleChecker+Invalid, 1676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:56,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2174 Valid, 2035 Invalid, 1676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1672 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-12 20:32:56,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2024-10-12 20:32:56,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 645. [2024-10-12 20:32:56,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3451043338683788) internal successors, (838), 644 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:56,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 838 transitions. [2024-10-12 20:32:56,044 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 838 transitions. Word has length 93 [2024-10-12 20:32:56,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:56,044 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 838 transitions. [2024-10-12 20:32:56,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:56,044 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 838 transitions. [2024-10-12 20:32:56,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-12 20:32:56,045 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:56,045 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] [2024-10-12 20:32:56,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-12 20:32:56,045 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:56,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:56,046 INFO L85 PathProgramCache]: Analyzing trace with hash -170860907, now seen corresponding path program 1 times [2024-10-12 20:32:56,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:56,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476572757] [2024-10-12 20:32:56,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:56,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:56,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:56,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476572757] [2024-10-12 20:32:56,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476572757] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:56,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:56,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:56,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746503537] [2024-10-12 20:32:56,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:56,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:56,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:56,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:56,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:56,272 INFO L87 Difference]: Start difference. First operand 645 states and 838 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:57,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:57,048 INFO L93 Difference]: Finished difference Result 1010 states and 1309 transitions. [2024-10-12 20:32:57,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-12 20:32:57,048 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-12 20:32:57,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:57,049 INFO L225 Difference]: With dead ends: 1010 [2024-10-12 20:32:57,050 INFO L226 Difference]: Without dead ends: 934 [2024-10-12 20:32:57,050 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 [2024-10-12 20:32:57,050 INFO L432 NwaCegarLoop]: 486 mSDtfsCounter, 2172 mSDsluCounter, 1544 mSDsCounter, 0 mSdLazyCounter, 1672 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2172 SdHoareTripleChecker+Valid, 2030 SdHoareTripleChecker+Invalid, 1676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:57,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2172 Valid, 2030 Invalid, 1676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1672 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-12 20:32:57,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2024-10-12 20:32:57,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 645. [2024-10-12 20:32:57,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3434991974317818) internal successors, (837), 644 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:57,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 837 transitions. [2024-10-12 20:32:57,059 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 837 transitions. Word has length 93 [2024-10-12 20:32:57,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:57,059 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 837 transitions. [2024-10-12 20:32:57,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:57,059 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 837 transitions. [2024-10-12 20:32:57,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-12 20:32:57,060 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:57,060 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] [2024-10-12 20:32:57,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-12 20:32:57,061 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:57,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:57,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1086119729, now seen corresponding path program 1 times [2024-10-12 20:32:57,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:57,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710911828] [2024-10-12 20:32:57,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:57,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:57,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:57,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:57,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710911828] [2024-10-12 20:32:57,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710911828] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:57,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:57,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:57,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715491501] [2024-10-12 20:32:57,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:57,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:57,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:57,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:57,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:57,297 INFO L87 Difference]: Start difference. First operand 645 states and 837 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:58,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:58,313 INFO L93 Difference]: Finished difference Result 1082 states and 1423 transitions. [2024-10-12 20:32:58,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-12 20:32:58,313 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-12 20:32:58,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:58,315 INFO L225 Difference]: With dead ends: 1082 [2024-10-12 20:32:58,315 INFO L226 Difference]: Without dead ends: 974 [2024-10-12 20:32:58,316 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 [2024-10-12 20:32:58,316 INFO L432 NwaCegarLoop]: 661 mSDtfsCounter, 1802 mSDsluCounter, 2158 mSDsCounter, 0 mSdLazyCounter, 2200 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1802 SdHoareTripleChecker+Valid, 2819 SdHoareTripleChecker+Invalid, 2203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:58,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1802 Valid, 2819 Invalid, 2203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2200 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-12 20:32:58,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2024-10-12 20:32:58,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 645. [2024-10-12 20:32:58,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3418940609951846) internal successors, (836), 644 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:58,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 836 transitions. [2024-10-12 20:32:58,322 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 836 transitions. Word has length 93 [2024-10-12 20:32:58,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:58,323 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 836 transitions. [2024-10-12 20:32:58,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:58,323 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 836 transitions. [2024-10-12 20:32:58,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-12 20:32:58,324 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:58,324 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] [2024-10-12 20:32:58,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-12 20:32:58,324 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:58,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:58,325 INFO L85 PathProgramCache]: Analyzing trace with hash -960925632, now seen corresponding path program 1 times [2024-10-12 20:32:58,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:58,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911674677] [2024-10-12 20:32:58,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:58,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:58,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:58,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:58,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911674677] [2024-10-12 20:32:58,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911674677] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:58,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:58,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:58,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717851553] [2024-10-12 20:32:58,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:58,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:58,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:58,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:58,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:58,589 INFO L87 Difference]: Start difference. First operand 645 states and 836 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:59,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:32:59,571 INFO L93 Difference]: Finished difference Result 1052 states and 1375 transitions. [2024-10-12 20:32:59,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:32:59,572 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2024-10-12 20:32:59,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:32:59,573 INFO L225 Difference]: With dead ends: 1052 [2024-10-12 20:32:59,573 INFO L226 Difference]: Without dead ends: 966 [2024-10-12 20:32:59,574 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 [2024-10-12 20:32:59,574 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 3037 mSDsluCounter, 1839 mSDsCounter, 0 mSdLazyCounter, 1862 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3037 SdHoareTripleChecker+Valid, 2401 SdHoareTripleChecker+Invalid, 1866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-12 20:32:59,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3037 Valid, 2401 Invalid, 1866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1862 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-12 20:32:59,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2024-10-12 20:32:59,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 645. [2024-10-12 20:32:59,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3402889245585874) internal successors, (835), 644 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:59,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 835 transitions. [2024-10-12 20:32:59,580 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 835 transitions. Word has length 93 [2024-10-12 20:32:59,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:32:59,580 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 835 transitions. [2024-10-12 20:32:59,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:32:59,580 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 835 transitions. [2024-10-12 20:32:59,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-12 20:32:59,581 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:32:59,581 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] [2024-10-12 20:32:59,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-12 20:32:59,581 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:32:59,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:32:59,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1711046329, now seen corresponding path program 1 times [2024-10-12 20:32:59,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:32:59,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398548450] [2024-10-12 20:32:59,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:32:59,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:32:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:32:59,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:32:59,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:32:59,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398548450] [2024-10-12 20:32:59,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398548450] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:32:59,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:32:59,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:32:59,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691023433] [2024-10-12 20:32:59,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:32:59,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:32:59,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:32:59,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:32:59,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:32:59,812 INFO L87 Difference]: Start difference. First operand 645 states and 835 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) [2024-10-12 20:33:00,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:33:00,705 INFO L93 Difference]: Finished difference Result 1082 states and 1417 transitions. [2024-10-12 20:33:00,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-12 20:33:00,705 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 [2024-10-12 20:33:00,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:33:00,706 INFO L225 Difference]: With dead ends: 1082 [2024-10-12 20:33:00,707 INFO L226 Difference]: Without dead ends: 974 [2024-10-12 20:33:00,707 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 [2024-10-12 20:33:00,707 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 1851 mSDsluCounter, 2091 mSDsCounter, 0 mSdLazyCounter, 2062 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 2729 SdHoareTripleChecker+Invalid, 2066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-12 20:33:00,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 2729 Invalid, 2066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2062 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-12 20:33:00,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2024-10-12 20:33:00,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 641. [2024-10-12 20:33:00,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3408723747980613) internal successors, (830), 640 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:33:00,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 830 transitions. [2024-10-12 20:33:00,714 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 830 transitions. Word has length 94 [2024-10-12 20:33:00,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:33:00,714 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 830 transitions. [2024-10-12 20:33:00,715 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) [2024-10-12 20:33:00,715 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 830 transitions. [2024-10-12 20:33:00,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-12 20:33:00,716 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:33:00,716 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] [2024-10-12 20:33:00,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-12 20:33:00,716 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:33:00,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:33:00,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1752046435, now seen corresponding path program 1 times [2024-10-12 20:33:00,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:33:00,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282700421] [2024-10-12 20:33:00,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:33:00,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:33:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:33:00,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:33:00,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:33:00,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282700421] [2024-10-12 20:33:00,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282700421] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:33:00,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:33:00,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:33:00,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587478899] [2024-10-12 20:33:00,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:33:00,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:33:00,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:33:00,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:33:00,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:33:00,966 INFO L87 Difference]: Start difference. First operand 641 states and 830 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) [2024-10-12 20:33:01,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:33:01,852 INFO L93 Difference]: Finished difference Result 1043 states and 1364 transitions. [2024-10-12 20:33:01,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:33:01,853 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 [2024-10-12 20:33:01,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:33:01,854 INFO L225 Difference]: With dead ends: 1043 [2024-10-12 20:33:01,854 INFO L226 Difference]: Without dead ends: 962 [2024-10-12 20:33:01,855 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 [2024-10-12 20:33:01,855 INFO L432 NwaCegarLoop]: 586 mSDtfsCounter, 2951 mSDsluCounter, 1911 mSDsCounter, 0 mSdLazyCounter, 1918 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2951 SdHoareTripleChecker+Valid, 2497 SdHoareTripleChecker+Invalid, 1922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-12 20:33:01,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2951 Valid, 2497 Invalid, 1922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1918 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-12 20:33:01,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2024-10-12 20:33:01,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 641. [2024-10-12 20:33:01,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3392568659127626) internal successors, (829), 640 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:33:01,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 829 transitions. [2024-10-12 20:33:01,863 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 829 transitions. Word has length 94 [2024-10-12 20:33:01,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:33:01,863 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 829 transitions. [2024-10-12 20:33:01,863 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) [2024-10-12 20:33:01,863 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 829 transitions. [2024-10-12 20:33:01,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-12 20:33:01,864 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:33:01,864 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] [2024-10-12 20:33:01,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-12 20:33:01,864 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:33:01,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:33:01,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1328436666, now seen corresponding path program 1 times [2024-10-12 20:33:01,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:33:01,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744047584] [2024-10-12 20:33:01,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:33:01,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:33:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:33:02,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:33:02,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:33:02,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744047584] [2024-10-12 20:33:02,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744047584] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:33:02,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:33:02,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:33:02,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712631907] [2024-10-12 20:33:02,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:33:02,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:33:02,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:33:02,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:33:02,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:33:02,058 INFO L87 Difference]: Start difference. First operand 641 states and 829 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) [2024-10-12 20:33:02,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:33:02,819 INFO L93 Difference]: Finished difference Result 1006 states and 1299 transitions. [2024-10-12 20:33:02,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:33:02,819 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 [2024-10-12 20:33:02,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:33:02,820 INFO L225 Difference]: With dead ends: 1006 [2024-10-12 20:33:02,821 INFO L226 Difference]: Without dead ends: 930 [2024-10-12 20:33:02,821 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 [2024-10-12 20:33:02,821 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 2129 mSDsluCounter, 1593 mSDsCounter, 0 mSdLazyCounter, 1690 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2129 SdHoareTripleChecker+Valid, 2094 SdHoareTripleChecker+Invalid, 1694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-12 20:33:02,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2129 Valid, 2094 Invalid, 1694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1690 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-12 20:33:02,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-10-12 20:33:02,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 641. [2024-10-12 20:33:02,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3376413570274637) internal successors, (828), 640 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:33:02,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 828 transitions. [2024-10-12 20:33:02,827 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 828 transitions. Word has length 94 [2024-10-12 20:33:02,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:33:02,827 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 828 transitions. [2024-10-12 20:33:02,827 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) [2024-10-12 20:33:02,827 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 828 transitions. [2024-10-12 20:33:02,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-12 20:33:02,828 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:33:02,828 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] [2024-10-12 20:33:02,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-12 20:33:02,828 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:33:02,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:33:02,828 INFO L85 PathProgramCache]: Analyzing trace with hash 296209564, now seen corresponding path program 1 times [2024-10-12 20:33:02,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:33:02,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496479655] [2024-10-12 20:33:02,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:33:02,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:33:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:33:03,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:33:03,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:33:03,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496479655] [2024-10-12 20:33:03,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496479655] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:33:03,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:33:03,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:33:03,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225358044] [2024-10-12 20:33:03,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:33:03,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:33:03,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:33:03,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:33:03,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:33:03,035 INFO L87 Difference]: Start difference. First operand 641 states and 828 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) [2024-10-12 20:33:03,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:33:03,895 INFO L93 Difference]: Finished difference Result 1053 states and 1370 transitions. [2024-10-12 20:33:03,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:33:03,896 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 [2024-10-12 20:33:03,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:33:03,897 INFO L225 Difference]: With dead ends: 1053 [2024-10-12 20:33:03,897 INFO L226 Difference]: Without dead ends: 962 [2024-10-12 20:33:03,898 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 [2024-10-12 20:33:03,898 INFO L432 NwaCegarLoop]: 586 mSDtfsCounter, 2940 mSDsluCounter, 1911 mSDsCounter, 0 mSdLazyCounter, 1909 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2940 SdHoareTripleChecker+Valid, 2497 SdHoareTripleChecker+Invalid, 1913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-12 20:33:03,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2940 Valid, 2497 Invalid, 1913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1909 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-12 20:33:03,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2024-10-12 20:33:03,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 641. [2024-10-12 20:33:03,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3360258481421647) internal successors, (827), 640 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:33:03,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 827 transitions. [2024-10-12 20:33:03,903 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 827 transitions. Word has length 95 [2024-10-12 20:33:03,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:33:03,904 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 827 transitions. [2024-10-12 20:33:03,904 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) [2024-10-12 20:33:03,904 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 827 transitions. [2024-10-12 20:33:03,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-12 20:33:03,905 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:33:03,905 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 20:33:03,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-12 20:33:03,905 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:33:03,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:33:03,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1335545213, now seen corresponding path program 1 times [2024-10-12 20:33:03,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:33:03,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692274344] [2024-10-12 20:33:03,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:33:03,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:33:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:33:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:33:04,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:33:04,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692274344] [2024-10-12 20:33:04,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692274344] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:33:04,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:33:04,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:33:04,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172698531] [2024-10-12 20:33:04,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:33:04,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:33:04,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:33:04,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:33:04,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:33:04,151 INFO L87 Difference]: Start difference. First operand 641 states and 827 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) [2024-10-12 20:33:05,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:33:05,088 INFO L93 Difference]: Finished difference Result 1009 states and 1300 transitions. [2024-10-12 20:33:05,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:33:05,089 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 [2024-10-12 20:33:05,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:33:05,090 INFO L225 Difference]: With dead ends: 1009 [2024-10-12 20:33:05,090 INFO L226 Difference]: Without dead ends: 930 [2024-10-12 20:33:05,090 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 [2024-10-12 20:33:05,091 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 3130 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 1706 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3130 SdHoareTripleChecker+Valid, 2146 SdHoareTripleChecker+Invalid, 1710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-12 20:33:05,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3130 Valid, 2146 Invalid, 1710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1706 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-12 20:33:05,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-10-12 20:33:05,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 641. [2024-10-12 20:33:05,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 619 states have (on average 1.3344103392568658) internal successors, (826), 640 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:33:05,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 826 transitions. [2024-10-12 20:33:05,097 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 826 transitions. Word has length 95 [2024-10-12 20:33:05,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:33:05,098 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 826 transitions. [2024-10-12 20:33:05,098 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) [2024-10-12 20:33:05,098 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 826 transitions. [2024-10-12 20:33:05,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-12 20:33:05,099 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:33:05,099 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] [2024-10-12 20:33:05,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-12 20:33:05,099 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:33:05,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:33:05,099 INFO L85 PathProgramCache]: Analyzing trace with hash -186851275, now seen corresponding path program 1 times [2024-10-12 20:33:05,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:33:05,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243965800] [2024-10-12 20:33:05,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:33:05,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:33:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:33:05,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:33:05,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:33:05,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243965800] [2024-10-12 20:33:05,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243965800] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:33:05,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:33:05,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-12 20:33:05,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144249441] [2024-10-12 20:33:05,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:33:05,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-12 20:33:05,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:33:05,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-12 20:33:05,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-12 20:33:05,448 INFO L87 Difference]: Start difference. First operand 641 states and 826 transitions. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 10 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) [2024-10-12 20:33:06,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:33:06,777 INFO L93 Difference]: Finished difference Result 1350 states and 1802 transitions. [2024-10-12 20:33:06,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-12 20:33:06,777 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 10 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 [2024-10-12 20:33:06,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:33:06,779 INFO L225 Difference]: With dead ends: 1350 [2024-10-12 20:33:06,779 INFO L226 Difference]: Without dead ends: 1236 [2024-10-12 20:33:06,780 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 [2024-10-12 20:33:06,780 INFO L432 NwaCegarLoop]: 621 mSDtfsCounter, 5936 mSDsluCounter, 2216 mSDsCounter, 0 mSdLazyCounter, 2202 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5936 SdHoareTripleChecker+Valid, 2837 SdHoareTripleChecker+Invalid, 2412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 2202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 20:33:06,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5936 Valid, 2837 Invalid, 2412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 2202 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 20:33:06,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2024-10-12 20:33:06,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 645. [2024-10-12 20:33:06,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.332263242375602) internal successors, (830), 644 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:33:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 830 transitions. [2024-10-12 20:33:06,788 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 830 transitions. Word has length 95 [2024-10-12 20:33:06,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:33:06,788 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 830 transitions. [2024-10-12 20:33:06,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 10 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) [2024-10-12 20:33:06,789 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 830 transitions. [2024-10-12 20:33:06,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-12 20:33:06,790 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:33:06,790 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] [2024-10-12 20:33:06,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-12 20:33:06,790 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:33:06,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:33:06,791 INFO L85 PathProgramCache]: Analyzing trace with hash -605094739, now seen corresponding path program 1 times [2024-10-12 20:33:06,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:33:06,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446226308] [2024-10-12 20:33:06,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:33:06,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:33:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:33:06,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:33:06,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:33:06,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446226308] [2024-10-12 20:33:06,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446226308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:33:06,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:33:06,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:33:06,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500512859] [2024-10-12 20:33:06,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:33:06,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:33:06,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:33:06,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:33:06,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:33:06,985 INFO L87 Difference]: Start difference. First operand 645 states and 830 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) [2024-10-12 20:33:07,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:33:07,779 INFO L93 Difference]: Finished difference Result 1013 states and 1303 transitions. [2024-10-12 20:33:07,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-12 20:33:07,779 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 [2024-10-12 20:33:07,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:33:07,780 INFO L225 Difference]: With dead ends: 1013 [2024-10-12 20:33:07,780 INFO L226 Difference]: Without dead ends: 934 [2024-10-12 20:33:07,781 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 [2024-10-12 20:33:07,781 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 2606 mSDsluCounter, 1788 mSDsCounter, 0 mSdLazyCounter, 1797 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2606 SdHoareTripleChecker+Valid, 2426 SdHoareTripleChecker+Invalid, 1800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-12 20:33:07,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2606 Valid, 2426 Invalid, 1800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1797 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-12 20:33:07,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2024-10-12 20:33:07,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 645. [2024-10-12 20:33:07,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3306581059390048) internal successors, (829), 644 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:33:07,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 829 transitions. [2024-10-12 20:33:07,786 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 829 transitions. Word has length 95 [2024-10-12 20:33:07,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:33:07,786 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 829 transitions. [2024-10-12 20:33:07,786 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) [2024-10-12 20:33:07,786 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 829 transitions. [2024-10-12 20:33:07,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-12 20:33:07,787 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:33:07,787 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] [2024-10-12 20:33:07,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-10-12 20:33:07,787 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:33:07,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:33:07,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1892803208, now seen corresponding path program 1 times [2024-10-12 20:33:07,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:33:07,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14469063] [2024-10-12 20:33:07,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:33:07,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:33:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:33:08,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:33:08,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:33:08,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14469063] [2024-10-12 20:33:08,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14469063] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:33:08,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:33:08,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:33:08,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027623583] [2024-10-12 20:33:08,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:33:08,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:33:08,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:33:08,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:33:08,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:33:08,046 INFO L87 Difference]: Start difference. First operand 645 states and 829 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) [2024-10-12 20:33:08,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:33:08,807 INFO L93 Difference]: Finished difference Result 1013 states and 1302 transitions. [2024-10-12 20:33:08,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:33:08,808 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 [2024-10-12 20:33:08,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:33:08,809 INFO L225 Difference]: With dead ends: 1013 [2024-10-12 20:33:08,809 INFO L226 Difference]: Without dead ends: 934 [2024-10-12 20:33:08,810 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 [2024-10-12 20:33:08,810 INFO L432 NwaCegarLoop]: 539 mSDtfsCounter, 2604 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 1672 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2604 SdHoareTripleChecker+Valid, 2164 SdHoareTripleChecker+Invalid, 1676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-12 20:33:08,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2604 Valid, 2164 Invalid, 1676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1672 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-12 20:33:08,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2024-10-12 20:33:08,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 645. [2024-10-12 20:33:08,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3290529695024078) internal successors, (828), 644 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:33:08,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 828 transitions. [2024-10-12 20:33:08,816 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 828 transitions. Word has length 95 [2024-10-12 20:33:08,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:33:08,816 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 828 transitions. [2024-10-12 20:33:08,816 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) [2024-10-12 20:33:08,816 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 828 transitions. [2024-10-12 20:33:08,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-12 20:33:08,817 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:33:08,817 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] [2024-10-12 20:33:08,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-10-12 20:33:08,817 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)] === [2024-10-12 20:33:08,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:33:08,818 INFO L85 PathProgramCache]: Analyzing trace with hash -174985950, now seen corresponding path program 1 times [2024-10-12 20:33:08,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:33:08,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925166015] [2024-10-12 20:33:08,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:33:08,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:33:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:33:09,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:33:09,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:33:09,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925166015] [2024-10-12 20:33:09,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925166015] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:33:09,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:33:09,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-12 20:33:09,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855699313] [2024-10-12 20:33:09,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:33:09,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-12 20:33:09,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:33:09,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-12 20:33:09,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-12 20:33:09,007 INFO L87 Difference]: Start difference. First operand 645 states and 828 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) [2024-10-12 20:33:09,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 20:33:09,804 INFO L93 Difference]: Finished difference Result 1010 states and 1297 transitions. [2024-10-12 20:33:09,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 20:33:09,805 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 [2024-10-12 20:33:09,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 20:33:09,807 INFO L225 Difference]: With dead ends: 1010 [2024-10-12 20:33:09,807 INFO L226 Difference]: Without dead ends: 934 [2024-10-12 20:33:09,807 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 [2024-10-12 20:33:09,808 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 3122 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 1693 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3122 SdHoareTripleChecker+Valid, 2142 SdHoareTripleChecker+Invalid, 1697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-12 20:33:09,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3122 Valid, 2142 Invalid, 1697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1693 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-12 20:33:09,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2024-10-12 20:33:09,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 645. [2024-10-12 20:33:09,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 623 states have (on average 1.3274478330658106) internal successors, (827), 644 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 20:33:09,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 827 transitions. [2024-10-12 20:33:09,816 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 827 transitions. Word has length 95 [2024-10-12 20:33:09,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 20:33:09,816 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 827 transitions. [2024-10-12 20:33:09,816 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) [2024-10-12 20:33:09,816 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 827 transitions. [2024-10-12 20:33:09,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-12 20:33:09,817 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 20:33:09,818 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] [2024-10-12 20:33:09,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-10-12 20:33:09,818 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-10-12 20:33:09,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 20:33:09,818 INFO L85 PathProgramCache]: Analyzing trace with hash 751271791, now seen corresponding path program 1 times [2024-10-12 20:33:09,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 20:33:09,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664128029] [2024-10-12 20:33:09,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 20:33:09,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 20:33:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 20:33:10,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 20:33:10,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 20:33:10,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664128029] [2024-10-12 20:33:10,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664128029] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 20:33:10,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 20:33:10,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-12 20:33:10,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875268080] [2024-10-12 20:33:10,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 20:33:10,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-12 20:33:10,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 20:33:10,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-12 20:33:10,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-12 20:33:10,232 INFO L87 Difference]: Start difference. First operand 645 states and 827 transitions. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 10 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)