./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '700a368a7186f7babba672e6f0e63377b52860406179fc124b8eed545215de4f'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 700a368a7186f7babba672e6f0e63377b52860406179fc124b8eed545215de4f --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 00:34:04,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 00:34:04,338 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 00:34:04,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 00:34:04,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 00:34:04,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 00:34:04,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 00:34:04,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 00:34:04,383 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 00:34:04,383 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 00:34:04,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 00:34:04,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 00:34:04,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 00:34:04,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 00:34:04,386 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 00:34:04,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 00:34:04,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 00:34:04,387 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 00:34:04,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 00:34:04,387 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 00:34:04,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 00:34:04,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 00:34:04,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 00:34:04,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 00:34:04,387 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 00:34:04,387 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 00:34:04,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 00:34:04,387 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 00:34:04,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 00:34:04,388 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 00:34:04,388 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 00:34:04,388 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 00:34:04,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:34:04,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 00:34:04,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 00:34:04,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 00:34:04,388 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 00:34:04,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 00:34:04,389 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 00:34:04,389 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 00:34:04,389 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 00:34:04,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 00:34:04,389 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 700a368a7186f7babba672e6f0e63377b52860406179fc124b8eed545215de4f [2024-11-07 00:34:04,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 00:34:04,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 00:34:04,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 00:34:04,712 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 00:34:04,712 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 00:34:04,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c [2024-11-07 00:34:05,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 00:34:06,367 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 00:34:06,369 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c [2024-11-07 00:34:06,403 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/502081f61/2e7c39746471490ab76149eaf5b6fab1/FLAG8701c727b [2024-11-07 00:34:06,548 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/502081f61/2e7c39746471490ab76149eaf5b6fab1 [2024-11-07 00:34:06,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 00:34:06,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 00:34:06,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 00:34:06,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 00:34:06,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 00:34:06,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:34:06" (1/1) ... [2024-11-07 00:34:06,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8bf0019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:06, skipping insertion in model container [2024-11-07 00:34:06,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:34:06" (1/1) ... [2024-11-07 00:34:06,648 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 00:34:07,003 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[14181,14194] [2024-11-07 00:34:07,033 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[18885,18898] [2024-11-07 00:34:07,045 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[20177,20190] [2024-11-07 00:34:07,054 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[20935,20948] [2024-11-07 00:34:07,062 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[22598,22611] [2024-11-07 00:34:07,066 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[23356,23369] [2024-11-07 00:34:07,075 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[24485,24498] [2024-11-07 00:34:07,087 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[27110,27123] [2024-11-07 00:34:07,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[27871,27884] [2024-11-07 00:34:07,097 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[29003,29016] [2024-11-07 00:34:07,110 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[31094,31107] [2024-11-07 00:34:07,125 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[35189,35202] [2024-11-07 00:34:07,129 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[35950,35963] [2024-11-07 00:34:07,134 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[37043,37056] [2024-11-07 00:34:07,141 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[39095,39108] [2024-11-07 00:34:07,158 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[42827,42840] [2024-11-07 00:34:07,181 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[50005,50018] [2024-11-07 00:34:07,184 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[50766,50779] [2024-11-07 00:34:07,188 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[51898,51911] [2024-11-07 00:34:07,193 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[53989,54002] [2024-11-07 00:34:07,202 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[57550,57563] [2024-11-07 00:34:07,227 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[63548,63561] [2024-11-07 00:34:07,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:34:07,504 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 00:34:07,557 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[14181,14194] [2024-11-07 00:34:07,570 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[18885,18898] [2024-11-07 00:34:07,574 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[20177,20190] [2024-11-07 00:34:07,576 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[20935,20948] [2024-11-07 00:34:07,580 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[22598,22611] [2024-11-07 00:34:07,583 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[23356,23369] [2024-11-07 00:34:07,586 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[24485,24498] [2024-11-07 00:34:07,595 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[27110,27123] [2024-11-07 00:34:07,598 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[27871,27884] [2024-11-07 00:34:07,601 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[29003,29016] [2024-11-07 00:34:07,606 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[31094,31107] [2024-11-07 00:34:07,615 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[35189,35202] [2024-11-07 00:34:07,617 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[35950,35963] [2024-11-07 00:34:07,621 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[37043,37056] [2024-11-07 00:34:07,627 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[39095,39108] [2024-11-07 00:34:07,639 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[42827,42840] [2024-11-07 00:34:07,657 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[50005,50018] [2024-11-07 00:34:07,659 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[50766,50779] [2024-11-07 00:34:07,663 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[51898,51911] [2024-11-07 00:34:07,670 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[53989,54002] [2024-11-07 00:34:07,678 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[57550,57563] [2024-11-07 00:34:07,689 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c[63548,63561] [2024-11-07 00:34:07,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 00:34:07,913 INFO L204 MainTranslator]: Completed translation [2024-11-07 00:34:07,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:07 WrapperNode [2024-11-07 00:34:07,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 00:34:07,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 00:34:07,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 00:34:07,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 00:34:07,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:07" (1/1) ... [2024-11-07 00:34:07,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:07" (1/1) ... [2024-11-07 00:34:08,088 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 7083 [2024-11-07 00:34:08,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 00:34:08,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 00:34:08,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 00:34:08,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 00:34:08,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:07" (1/1) ... [2024-11-07 00:34:08,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:07" (1/1) ... [2024-11-07 00:34:08,116 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:07" (1/1) ... [2024-11-07 00:34:08,178 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 00:34:08,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:07" (1/1) ... [2024-11-07 00:34:08,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:07" (1/1) ... [2024-11-07 00:34:08,296 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:07" (1/1) ... [2024-11-07 00:34:08,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:07" (1/1) ... [2024-11-07 00:34:08,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:07" (1/1) ... [2024-11-07 00:34:08,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:07" (1/1) ... [2024-11-07 00:34:08,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 00:34:08,411 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 00:34:08,411 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 00:34:08,411 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 00:34:08,412 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:07" (1/1) ... [2024-11-07 00:34:08,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 00:34:08,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 00:34:08,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 00:34:08,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 00:34:08,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 00:34:08,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 00:34:08,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 00:34:08,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 00:34:08,775 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 00:34:08,777 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 00:34:12,269 INFO L? ?]: Removed 1124 outVars from TransFormulas that were not future-live. [2024-11-07 00:34:12,269 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 00:34:12,320 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 00:34:12,320 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 00:34:12,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:34:12 BoogieIcfgContainer [2024-11-07 00:34:12,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 00:34:12,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 00:34:12,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 00:34:12,328 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 00:34:12,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:34:06" (1/3) ... [2024-11-07 00:34:12,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c95d92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:34:12, skipping insertion in model container [2024-11-07 00:34:12,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:34:07" (2/3) ... [2024-11-07 00:34:12,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c95d92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:34:12, skipping insertion in model container [2024-11-07 00:34:12,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:34:12" (3/3) ... [2024-11-07 00:34:12,330 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.BOUNDED-12.pals.c.v+lhb-reducer.c [2024-11-07 00:34:12,344 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 00:34:12,344 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-07 00:34:12,434 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 00:34:12,447 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;@7e6b5560, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 00:34:12,450 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-07 00:34:12,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 1131 states, 1108 states have (on average 1.855595667870036) internal successors, (2056), 1130 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:12,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 00:34:12,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:12,482 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] [2024-11-07 00:34:12,482 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:12,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:12,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1995797141, now seen corresponding path program 1 times [2024-11-07 00:34:12,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:12,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372586283] [2024-11-07 00:34:12,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:12,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:13,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:13,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372586283] [2024-11-07 00:34:13,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372586283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:13,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:13,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:34:13,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14678184] [2024-11-07 00:34:13,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:13,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:34:13,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:13,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:34:13,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:34:13,261 INFO L87 Difference]: Start difference. First operand has 1131 states, 1108 states have (on average 1.855595667870036) internal successors, (2056), 1130 states have internal predecessors, (2056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:14,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:14,063 INFO L93 Difference]: Finished difference Result 1715 states and 3012 transitions. [2024-11-07 00:34:14,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:34:14,066 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 [2024-11-07 00:34:14,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:14,084 INFO L225 Difference]: With dead ends: 1715 [2024-11-07 00:34:14,084 INFO L226 Difference]: Without dead ends: 875 [2024-11-07 00:34:14,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:34:14,095 INFO L432 NwaCegarLoop]: 1034 mSDtfsCounter, 4517 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4517 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:14,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4517 Valid, 1048 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 00:34:14,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-11-07 00:34:14,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 875. [2024-11-07 00:34:14,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 853 states have (on average 1.317702227432591) internal successors, (1124), 874 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:14,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1124 transitions. [2024-11-07 00:34:14,190 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1124 transitions. Word has length 86 [2024-11-07 00:34:14,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:14,190 INFO L471 AbstractCegarLoop]: Abstraction has 875 states and 1124 transitions. [2024-11-07 00:34:14,191 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) [2024-11-07 00:34:14,191 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1124 transitions. [2024-11-07 00:34:14,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-07 00:34:14,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:14,197 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] [2024-11-07 00:34:14,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 00:34:14,198 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:14,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:14,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1029751, now seen corresponding path program 1 times [2024-11-07 00:34:14,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:14,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353575065] [2024-11-07 00:34:14,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:14,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:14,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:14,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:14,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353575065] [2024-11-07 00:34:14,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353575065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:14,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:14,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:34:14,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613445629] [2024-11-07 00:34:14,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:14,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:34:14,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:14,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:34:14,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:34:14,558 INFO L87 Difference]: Start difference. First operand 875 states and 1124 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) [2024-11-07 00:34:15,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:15,139 INFO L93 Difference]: Finished difference Result 1450 states and 1917 transitions. [2024-11-07 00:34:15,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:34:15,141 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 [2024-11-07 00:34:15,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:15,147 INFO L225 Difference]: With dead ends: 1450 [2024-11-07 00:34:15,147 INFO L226 Difference]: Without dead ends: 771 [2024-11-07 00:34:15,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:34:15,149 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 2898 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2898 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:15,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2898 Valid, 569 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 00:34:15,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2024-11-07 00:34:15,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 771. [2024-11-07 00:34:15,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 749 states have (on average 1.3391188251001336) internal successors, (1003), 770 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:15,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1003 transitions. [2024-11-07 00:34:15,180 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1003 transitions. Word has length 87 [2024-11-07 00:34:15,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:15,181 INFO L471 AbstractCegarLoop]: Abstraction has 771 states and 1003 transitions. [2024-11-07 00:34:15,181 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) [2024-11-07 00:34:15,182 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1003 transitions. [2024-11-07 00:34:15,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-07 00:34:15,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:15,188 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:15,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 00:34:15,188 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:15,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:15,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1805729392, now seen corresponding path program 1 times [2024-11-07 00:34:15,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:15,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934617075] [2024-11-07 00:34:15,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:15,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:15,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:15,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934617075] [2024-11-07 00:34:15,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934617075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:15,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:15,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:34:15,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928565089] [2024-11-07 00:34:15,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:15,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:34:15,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:15,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:34:15,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:34:15,422 INFO L87 Difference]: Start difference. First operand 771 states and 1003 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) [2024-11-07 00:34:15,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:15,893 INFO L93 Difference]: Finished difference Result 1346 states and 1795 transitions. [2024-11-07 00:34:15,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:34:15,893 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 [2024-11-07 00:34:15,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:15,898 INFO L225 Difference]: With dead ends: 1346 [2024-11-07 00:34:15,899 INFO L226 Difference]: Without dead ends: 707 [2024-11-07 00:34:15,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:34:15,900 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 2697 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2697 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:15,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2697 Valid, 537 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 00:34:15,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-07 00:34:15,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 707. [2024-11-07 00:34:15,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 685 states have (on average 1.3576642335766422) internal successors, (930), 706 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:15,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 930 transitions. [2024-11-07 00:34:15,945 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 930 transitions. Word has length 88 [2024-11-07 00:34:15,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:15,946 INFO L471 AbstractCegarLoop]: Abstraction has 707 states and 930 transitions. [2024-11-07 00:34:15,946 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) [2024-11-07 00:34:15,947 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 930 transitions. [2024-11-07 00:34:15,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-07 00:34:15,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:15,951 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:15,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 00:34:15,951 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:15,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:15,953 INFO L85 PathProgramCache]: Analyzing trace with hash 19097864, now seen corresponding path program 1 times [2024-11-07 00:34:15,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:15,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926544717] [2024-11-07 00:34:15,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:15,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:16,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:16,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:16,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926544717] [2024-11-07 00:34:16,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926544717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:16,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:16,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:34:16,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210767740] [2024-11-07 00:34:16,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:16,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:34:16,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:16,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:34:16,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:34:16,155 INFO L87 Difference]: Start difference. First operand 707 states and 930 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 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) [2024-11-07 00:34:16,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:16,596 INFO L93 Difference]: Finished difference Result 1282 states and 1721 transitions. [2024-11-07 00:34:16,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:34:16,596 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 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 [2024-11-07 00:34:16,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:16,599 INFO L225 Difference]: With dead ends: 1282 [2024-11-07 00:34:16,599 INFO L226 Difference]: Without dead ends: 666 [2024-11-07 00:34:16,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:34:16,601 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 2585 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2585 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:16,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2585 Valid, 512 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 00:34:16,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2024-11-07 00:34:16,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 666. [2024-11-07 00:34:16,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 644 states have (on average 1.3726708074534162) internal successors, (884), 665 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:16,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 884 transitions. [2024-11-07 00:34:16,617 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 884 transitions. Word has length 89 [2024-11-07 00:34:16,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:16,617 INFO L471 AbstractCegarLoop]: Abstraction has 666 states and 884 transitions. [2024-11-07 00:34:16,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 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) [2024-11-07 00:34:16,618 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 884 transitions. [2024-11-07 00:34:16,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-07 00:34:16,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:16,619 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:16,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 00:34:16,620 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:16,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:16,620 INFO L85 PathProgramCache]: Analyzing trace with hash 817016169, now seen corresponding path program 1 times [2024-11-07 00:34:16,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:16,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353685407] [2024-11-07 00:34:16,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:16,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:16,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:16,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:16,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353685407] [2024-11-07 00:34:16,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353685407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:16,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:16,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:34:16,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902413066] [2024-11-07 00:34:16,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:16,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:34:16,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:16,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:34:16,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:34:16,786 INFO L87 Difference]: Start difference. First operand 666 states and 884 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:17,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:17,221 INFO L93 Difference]: Finished difference Result 1241 states and 1674 transitions. [2024-11-07 00:34:17,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:34:17,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2024-11-07 00:34:17,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:17,224 INFO L225 Difference]: With dead ends: 1241 [2024-11-07 00:34:17,224 INFO L226 Difference]: Without dead ends: 647 [2024-11-07 00:34:17,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:34:17,228 INFO L432 NwaCegarLoop]: 481 mSDtfsCounter, 2506 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2506 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:17,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2506 Valid, 501 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 00:34:17,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-11-07 00:34:17,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 647. [2024-11-07 00:34:17,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 625 states have (on average 1.3792) internal successors, (862), 646 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:17,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 862 transitions. [2024-11-07 00:34:17,241 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 862 transitions. Word has length 90 [2024-11-07 00:34:17,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:17,241 INFO L471 AbstractCegarLoop]: Abstraction has 647 states and 862 transitions. [2024-11-07 00:34:17,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:17,242 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 862 transitions. [2024-11-07 00:34:17,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-07 00:34:17,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:17,243 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] [2024-11-07 00:34:17,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 00:34:17,244 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:17,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:17,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1321361543, now seen corresponding path program 1 times [2024-11-07 00:34:17,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:17,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939650660] [2024-11-07 00:34:17,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:17,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:17,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:17,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:17,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939650660] [2024-11-07 00:34:17,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939650660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:17,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:17,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 00:34:17,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222469955] [2024-11-07 00:34:17,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:17,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 00:34:17,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:17,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 00:34:17,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 00:34:17,447 INFO L87 Difference]: Start difference. First operand 647 states and 862 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 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) [2024-11-07 00:34:17,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:17,986 INFO L93 Difference]: Finished difference Result 1222 states and 1651 transitions. [2024-11-07 00:34:17,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 00:34:17,987 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 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 [2024-11-07 00:34:17,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:17,989 INFO L225 Difference]: With dead ends: 1222 [2024-11-07 00:34:17,989 INFO L226 Difference]: Without dead ends: 642 [2024-11-07 00:34:17,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 00:34:17,991 INFO L432 NwaCegarLoop]: 382 mSDtfsCounter, 2424 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2424 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:17,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2424 Valid, 426 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 00:34:17,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2024-11-07 00:34:18,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 642. [2024-11-07 00:34:18,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3790322580645162) internal successors, (855), 641 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) [2024-11-07 00:34:18,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 855 transitions. [2024-11-07 00:34:18,004 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 855 transitions. Word has length 91 [2024-11-07 00:34:18,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:18,004 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 855 transitions. [2024-11-07 00:34:18,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 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) [2024-11-07 00:34:18,004 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 855 transitions. [2024-11-07 00:34:18,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-07 00:34:18,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:18,006 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:18,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 00:34:18,006 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:18,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:18,006 INFO L85 PathProgramCache]: Analyzing trace with hash 471449544, now seen corresponding path program 1 times [2024-11-07 00:34:18,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:18,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787734850] [2024-11-07 00:34:18,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:18,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:18,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:18,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:18,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787734850] [2024-11-07 00:34:18,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787734850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:18,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:18,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:18,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329948323] [2024-11-07 00:34:18,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:18,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:18,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:18,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:18,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:18,498 INFO L87 Difference]: Start difference. First operand 642 states and 855 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:19,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:19,625 INFO L93 Difference]: Finished difference Result 1113 states and 1501 transitions. [2024-11-07 00:34:19,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:34:19,625 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-07 00:34:19,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:19,629 INFO L225 Difference]: With dead ends: 1113 [2024-11-07 00:34:19,629 INFO L226 Difference]: Without dead ends: 988 [2024-11-07 00:34:19,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:34:19,630 INFO L432 NwaCegarLoop]: 481 mSDtfsCounter, 3868 mSDsluCounter, 1635 mSDsCounter, 0 mSdLazyCounter, 1655 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3868 SdHoareTripleChecker+Valid, 2116 SdHoareTripleChecker+Invalid, 1662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:19,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3868 Valid, 2116 Invalid, 1662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1655 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 00:34:19,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-07 00:34:19,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 642. [2024-11-07 00:34:19,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3774193548387097) internal successors, (854), 641 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:19,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 854 transitions. [2024-11-07 00:34:19,644 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 854 transitions. Word has length 92 [2024-11-07 00:34:19,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:19,645 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 854 transitions. [2024-11-07 00:34:19,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:19,645 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 854 transitions. [2024-11-07 00:34:19,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-07 00:34:19,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:19,646 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:19,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 00:34:19,647 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:19,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:19,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1530881816, now seen corresponding path program 1 times [2024-11-07 00:34:19,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:19,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674830890] [2024-11-07 00:34:19,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:19,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:20,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:20,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:20,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674830890] [2024-11-07 00:34:20,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674830890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:20,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:20,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:20,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935936022] [2024-11-07 00:34:20,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:20,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:20,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:20,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:20,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:20,127 INFO L87 Difference]: Start difference. First operand 642 states and 854 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:21,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:21,344 INFO L93 Difference]: Finished difference Result 1186 states and 1596 transitions. [2024-11-07 00:34:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:34:21,345 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-07 00:34:21,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:21,349 INFO L225 Difference]: With dead ends: 1186 [2024-11-07 00:34:21,349 INFO L226 Difference]: Without dead ends: 992 [2024-11-07 00:34:21,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:34:21,350 INFO L432 NwaCegarLoop]: 482 mSDtfsCounter, 3909 mSDsluCounter, 2166 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3909 SdHoareTripleChecker+Valid, 2648 SdHoareTripleChecker+Invalid, 2070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:21,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3909 Valid, 2648 Invalid, 2070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2063 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 00:34:21,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2024-11-07 00:34:21,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 642. [2024-11-07 00:34:21,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3758064516129032) internal successors, (853), 641 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:21,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 853 transitions. [2024-11-07 00:34:21,364 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 853 transitions. Word has length 92 [2024-11-07 00:34:21,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:21,364 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 853 transitions. [2024-11-07 00:34:21,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:21,365 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 853 transitions. [2024-11-07 00:34:21,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-07 00:34:21,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:21,367 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:21,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 00:34:21,367 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:21,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:21,367 INFO L85 PathProgramCache]: Analyzing trace with hash 889427447, now seen corresponding path program 1 times [2024-11-07 00:34:21,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:21,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816031084] [2024-11-07 00:34:21,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:21,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:21,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:21,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816031084] [2024-11-07 00:34:21,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816031084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:21,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:21,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 00:34:21,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475500028] [2024-11-07 00:34:21,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:21,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 00:34:21,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:21,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 00:34:21,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 00:34:21,746 INFO L87 Difference]: Start difference. First operand 642 states and 853 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:22,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:22,691 INFO L93 Difference]: Finished difference Result 1212 states and 1568 transitions. [2024-11-07 00:34:22,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 00:34:22,692 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2024-11-07 00:34:22,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:22,694 INFO L225 Difference]: With dead ends: 1212 [2024-11-07 00:34:22,695 INFO L226 Difference]: Without dead ends: 865 [2024-11-07 00:34:22,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-07 00:34:22,696 INFO L432 NwaCegarLoop]: 411 mSDtfsCounter, 3956 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3956 SdHoareTripleChecker+Valid, 1409 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:22,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3956 Valid, 1409 Invalid, 1524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1520 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:34:22,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2024-11-07 00:34:22,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 642. [2024-11-07 00:34:22,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3741935483870968) internal successors, (852), 641 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:22,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 852 transitions. [2024-11-07 00:34:22,708 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 852 transitions. Word has length 92 [2024-11-07 00:34:22,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:22,708 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 852 transitions. [2024-11-07 00:34:22,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:22,709 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 852 transitions. [2024-11-07 00:34:22,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-07 00:34:22,710 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:22,710 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] [2024-11-07 00:34:22,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 00:34:22,710 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:22,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:22,711 INFO L85 PathProgramCache]: Analyzing trace with hash -709696546, now seen corresponding path program 1 times [2024-11-07 00:34:22,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:22,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021294769] [2024-11-07 00:34:22,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:22,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:23,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:23,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:23,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021294769] [2024-11-07 00:34:23,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021294769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:23,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:23,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 00:34:23,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882535774] [2024-11-07 00:34:23,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:23,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 00:34:23,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:23,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 00:34:23,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:34:23,260 INFO L87 Difference]: Start difference. First operand 642 states and 852 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 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) [2024-11-07 00:34:24,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:24,547 INFO L93 Difference]: Finished difference Result 1104 states and 1471 transitions. [2024-11-07 00:34:24,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 00:34:24,547 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 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 [2024-11-07 00:34:24,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:24,550 INFO L225 Difference]: With dead ends: 1104 [2024-11-07 00:34:24,550 INFO L226 Difference]: Without dead ends: 995 [2024-11-07 00:34:24,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2024-11-07 00:34:24,551 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 3037 mSDsluCounter, 2187 mSDsCounter, 0 mSdLazyCounter, 2256 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3037 SdHoareTripleChecker+Valid, 2696 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:24,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3037 Valid, 2696 Invalid, 2270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2256 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 00:34:24,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2024-11-07 00:34:24,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 649. [2024-11-07 00:34:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 627 states have (on average 1.3748006379585327) internal successors, (862), 648 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:24,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 862 transitions. [2024-11-07 00:34:24,564 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 862 transitions. Word has length 94 [2024-11-07 00:34:24,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:24,564 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 862 transitions. [2024-11-07 00:34:24,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 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) [2024-11-07 00:34:24,565 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 862 transitions. [2024-11-07 00:34:24,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-07 00:34:24,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:24,566 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] [2024-11-07 00:34:24,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 00:34:24,566 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:24,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:24,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1118541774, now seen corresponding path program 1 times [2024-11-07 00:34:24,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:24,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561979387] [2024-11-07 00:34:24,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:24,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:24,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:24,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561979387] [2024-11-07 00:34:24,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561979387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:24,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:24,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:24,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573647344] [2024-11-07 00:34:24,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:24,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:24,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:24,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:24,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:24,896 INFO L87 Difference]: Start difference. First operand 649 states and 862 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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) [2024-11-07 00:34:26,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:26,098 INFO L93 Difference]: Finished difference Result 1215 states and 1619 transitions. [2024-11-07 00:34:26,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 00:34:26,099 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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 [2024-11-07 00:34:26,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:26,101 INFO L225 Difference]: With dead ends: 1215 [2024-11-07 00:34:26,101 INFO L226 Difference]: Without dead ends: 992 [2024-11-07 00:34:26,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:34:26,102 INFO L432 NwaCegarLoop]: 682 mSDtfsCounter, 1848 mSDsluCounter, 2226 mSDsCounter, 0 mSdLazyCounter, 2273 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1848 SdHoareTripleChecker+Valid, 2908 SdHoareTripleChecker+Invalid, 2279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:26,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1848 Valid, 2908 Invalid, 2279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2273 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 00:34:26,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2024-11-07 00:34:26,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 642. [2024-11-07 00:34:26,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3725806451612903) internal successors, (851), 641 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) [2024-11-07 00:34:26,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 851 transitions. [2024-11-07 00:34:26,115 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 851 transitions. Word has length 94 [2024-11-07 00:34:26,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:26,115 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 851 transitions. [2024-11-07 00:34:26,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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) [2024-11-07 00:34:26,115 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 851 transitions. [2024-11-07 00:34:26,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-07 00:34:26,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:26,117 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] [2024-11-07 00:34:26,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 00:34:26,117 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:26,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:26,117 INFO L85 PathProgramCache]: Analyzing trace with hash -904842275, now seen corresponding path program 1 times [2024-11-07 00:34:26,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:26,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513202562] [2024-11-07 00:34:26,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:26,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:26,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:26,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:26,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513202562] [2024-11-07 00:34:26,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513202562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:26,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:26,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:26,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845302122] [2024-11-07 00:34:26,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:26,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:26,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:26,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:26,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:26,428 INFO L87 Difference]: Start difference. First operand 642 states and 851 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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) [2024-11-07 00:34:27,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:27,360 INFO L93 Difference]: Finished difference Result 1051 states and 1395 transitions. [2024-11-07 00:34:27,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 00:34:27,360 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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 [2024-11-07 00:34:27,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:27,363 INFO L225 Difference]: With dead ends: 1051 [2024-11-07 00:34:27,363 INFO L226 Difference]: Without dead ends: 964 [2024-11-07 00:34:27,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:34:27,364 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 4684 mSDsluCounter, 1548 mSDsCounter, 0 mSdLazyCounter, 1634 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4684 SdHoareTripleChecker+Valid, 2016 SdHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:27,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4684 Valid, 2016 Invalid, 1641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1634 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:34:27,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-07 00:34:27,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 642. [2024-11-07 00:34:27,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3709677419354838) internal successors, (850), 641 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:27,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 850 transitions. [2024-11-07 00:34:27,374 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 850 transitions. Word has length 94 [2024-11-07 00:34:27,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:27,374 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 850 transitions. [2024-11-07 00:34:27,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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) [2024-11-07 00:34:27,375 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 850 transitions. [2024-11-07 00:34:27,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-07 00:34:27,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:27,376 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] [2024-11-07 00:34:27,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 00:34:27,376 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:27,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:27,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1510616083, now seen corresponding path program 1 times [2024-11-07 00:34:27,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:27,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065293097] [2024-11-07 00:34:27,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:27,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:27,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:27,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:27,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065293097] [2024-11-07 00:34:27,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065293097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:27,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:27,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:27,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538365754] [2024-11-07 00:34:27,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:27,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:27,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:27,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:27,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:27,681 INFO L87 Difference]: Start difference. First operand 642 states and 850 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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) [2024-11-07 00:34:28,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:28,965 INFO L93 Difference]: Finished difference Result 1127 states and 1507 transitions. [2024-11-07 00:34:28,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:34:28,966 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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 [2024-11-07 00:34:28,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:28,968 INFO L225 Difference]: With dead ends: 1127 [2024-11-07 00:34:28,968 INFO L226 Difference]: Without dead ends: 988 [2024-11-07 00:34:28,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:34:28,969 INFO L432 NwaCegarLoop]: 733 mSDtfsCounter, 3478 mSDsluCounter, 2387 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3478 SdHoareTripleChecker+Valid, 3120 SdHoareTripleChecker+Invalid, 2421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:28,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3478 Valid, 3120 Invalid, 2421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2415 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 00:34:28,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-07 00:34:28,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 642. [2024-11-07 00:34:28,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3693548387096774) internal successors, (849), 641 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:28,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 849 transitions. [2024-11-07 00:34:28,979 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 849 transitions. Word has length 94 [2024-11-07 00:34:28,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:28,979 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 849 transitions. [2024-11-07 00:34:28,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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) [2024-11-07 00:34:28,979 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 849 transitions. [2024-11-07 00:34:28,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-07 00:34:28,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:28,981 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] [2024-11-07 00:34:28,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 00:34:28,981 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:28,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:28,982 INFO L85 PathProgramCache]: Analyzing trace with hash -10217144, now seen corresponding path program 1 times [2024-11-07 00:34:28,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:28,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361956667] [2024-11-07 00:34:28,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:28,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:29,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:29,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361956667] [2024-11-07 00:34:29,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361956667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:29,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:29,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:29,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900737498] [2024-11-07 00:34:29,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:29,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:29,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:29,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:29,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:29,246 INFO L87 Difference]: Start difference. First operand 642 states and 849 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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) [2024-11-07 00:34:30,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:30,436 INFO L93 Difference]: Finished difference Result 1089 states and 1449 transitions. [2024-11-07 00:34:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 00:34:30,436 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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 [2024-11-07 00:34:30,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:30,439 INFO L225 Difference]: With dead ends: 1089 [2024-11-07 00:34:30,440 INFO L226 Difference]: Without dead ends: 980 [2024-11-07 00:34:30,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:34:30,441 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 4262 mSDsluCounter, 1842 mSDsCounter, 0 mSdLazyCounter, 1919 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4262 SdHoareTripleChecker+Valid, 2399 SdHoareTripleChecker+Invalid, 1926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:30,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4262 Valid, 2399 Invalid, 1926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1919 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 00:34:30,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2024-11-07 00:34:30,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 642. [2024-11-07 00:34:30,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.367741935483871) internal successors, (848), 641 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:30,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 848 transitions. [2024-11-07 00:34:30,450 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 848 transitions. Word has length 94 [2024-11-07 00:34:30,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:30,450 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 848 transitions. [2024-11-07 00:34:30,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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) [2024-11-07 00:34:30,451 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 848 transitions. [2024-11-07 00:34:30,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-07 00:34:30,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:30,452 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] [2024-11-07 00:34:30,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 00:34:30,452 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:30,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:30,453 INFO L85 PathProgramCache]: Analyzing trace with hash -419062372, now seen corresponding path program 1 times [2024-11-07 00:34:30,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:30,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082584675] [2024-11-07 00:34:30,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:30,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:30,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:30,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:30,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082584675] [2024-11-07 00:34:30,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082584675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:30,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:30,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 00:34:30,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958150445] [2024-11-07 00:34:30,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:30,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 00:34:30,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:30,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 00:34:30,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:34:30,939 INFO L87 Difference]: Start difference. First operand 642 states and 848 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 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) [2024-11-07 00:34:32,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:32,636 INFO L93 Difference]: Finished difference Result 1435 states and 1956 transitions. [2024-11-07 00:34:32,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 00:34:32,636 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 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 [2024-11-07 00:34:32,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:32,639 INFO L225 Difference]: With dead ends: 1435 [2024-11-07 00:34:32,639 INFO L226 Difference]: Without dead ends: 1296 [2024-11-07 00:34:32,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-07 00:34:32,640 INFO L432 NwaCegarLoop]: 727 mSDtfsCounter, 6372 mSDsluCounter, 2661 mSDsCounter, 0 mSdLazyCounter, 2713 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6372 SdHoareTripleChecker+Valid, 3388 SdHoareTripleChecker+Invalid, 2918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 2713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:32,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6372 Valid, 3388 Invalid, 2918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 2713 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 00:34:32,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2024-11-07 00:34:32,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 646. [2024-11-07 00:34:32,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3653846153846154) internal successors, (852), 645 states have internal predecessors, (852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:32,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 852 transitions. [2024-11-07 00:34:32,651 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 852 transitions. Word has length 94 [2024-11-07 00:34:32,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:32,651 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 852 transitions. [2024-11-07 00:34:32,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 11 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) [2024-11-07 00:34:32,652 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 852 transitions. [2024-11-07 00:34:32,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-07 00:34:32,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:32,653 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] [2024-11-07 00:34:32,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 00:34:32,653 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:32,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:32,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1869291794, now seen corresponding path program 1 times [2024-11-07 00:34:32,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:32,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741391857] [2024-11-07 00:34:32,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:32,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:32,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:32,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:32,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741391857] [2024-11-07 00:34:32,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741391857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:32,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:32,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:32,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512018902] [2024-11-07 00:34:32,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:32,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:32,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:32,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:32,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:32,887 INFO L87 Difference]: Start difference. First operand 646 states and 852 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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) [2024-11-07 00:34:33,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:33,825 INFO L93 Difference]: Finished difference Result 1016 states and 1331 transitions. [2024-11-07 00:34:33,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 00:34:33,825 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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 [2024-11-07 00:34:33,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:33,827 INFO L225 Difference]: With dead ends: 1016 [2024-11-07 00:34:33,827 INFO L226 Difference]: Without dead ends: 936 [2024-11-07 00:34:33,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:34:33,828 INFO L432 NwaCegarLoop]: 460 mSDtfsCounter, 4561 mSDsluCounter, 1461 mSDsCounter, 0 mSdLazyCounter, 1618 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4561 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 1625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:33,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4561 Valid, 1921 Invalid, 1625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1618 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:34:33,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-07 00:34:33,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 646. [2024-11-07 00:34:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3637820512820513) internal successors, (851), 645 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) [2024-11-07 00:34:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 851 transitions. [2024-11-07 00:34:33,836 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 851 transitions. Word has length 94 [2024-11-07 00:34:33,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:33,836 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 851 transitions. [2024-11-07 00:34:33,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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) [2024-11-07 00:34:33,837 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 851 transitions. [2024-11-07 00:34:33,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-07 00:34:33,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:33,838 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:33,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 00:34:33,838 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:33,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:33,839 INFO L85 PathProgramCache]: Analyzing trace with hash 191796868, now seen corresponding path program 1 times [2024-11-07 00:34:33,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:33,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439642244] [2024-11-07 00:34:33,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:33,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:34,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:34,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:34,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439642244] [2024-11-07 00:34:34,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439642244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:34,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:34,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:34,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711651988] [2024-11-07 00:34:34,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:34,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:34,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:34,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:34,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:34,097 INFO L87 Difference]: Start difference. First operand 646 states and 851 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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) [2024-11-07 00:34:35,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:35,045 INFO L93 Difference]: Finished difference Result 1084 states and 1441 transitions. [2024-11-07 00:34:35,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 00:34:35,045 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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 [2024-11-07 00:34:35,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:35,048 INFO L225 Difference]: With dead ends: 1084 [2024-11-07 00:34:35,048 INFO L226 Difference]: Without dead ends: 984 [2024-11-07 00:34:35,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:34:35,048 INFO L432 NwaCegarLoop]: 555 mSDtfsCounter, 2885 mSDsluCounter, 2093 mSDsCounter, 0 mSdLazyCounter, 2103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2885 SdHoareTripleChecker+Valid, 2648 SdHoareTripleChecker+Invalid, 2109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:35,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2885 Valid, 2648 Invalid, 2109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2103 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:34:35,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-11-07 00:34:35,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 646. [2024-11-07 00:34:35,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3621794871794872) internal successors, (850), 645 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:35,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 850 transitions. [2024-11-07 00:34:35,056 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 850 transitions. Word has length 94 [2024-11-07 00:34:35,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:35,057 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 850 transitions. [2024-11-07 00:34:35,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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) [2024-11-07 00:34:35,057 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 850 transitions. [2024-11-07 00:34:35,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-07 00:34:35,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:35,058 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:35,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 00:34:35,059 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:35,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:35,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1752938330, now seen corresponding path program 1 times [2024-11-07 00:34:35,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:35,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141963472] [2024-11-07 00:34:35,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:35,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:35,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:35,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:35,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141963472] [2024-11-07 00:34:35,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141963472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:35,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:35,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:35,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352343561] [2024-11-07 00:34:35,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:35,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:35,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:35,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:35,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:35,355 INFO L87 Difference]: Start difference. First operand 646 states and 850 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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) [2024-11-07 00:34:36,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:36,286 INFO L93 Difference]: Finished difference Result 1079 states and 1435 transitions. [2024-11-07 00:34:36,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:34:36,287 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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 [2024-11-07 00:34:36,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:36,289 INFO L225 Difference]: With dead ends: 1079 [2024-11-07 00:34:36,289 INFO L226 Difference]: Without dead ends: 984 [2024-11-07 00:34:36,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:34:36,290 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 4302 mSDsluCounter, 1845 mSDsCounter, 0 mSdLazyCounter, 1899 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4302 SdHoareTripleChecker+Valid, 2402 SdHoareTripleChecker+Invalid, 1906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:36,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4302 Valid, 2402 Invalid, 1906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1899 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:34:36,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-11-07 00:34:36,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 646. [2024-11-07 00:34:36,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3605769230769231) internal successors, (849), 645 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:36,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 849 transitions. [2024-11-07 00:34:36,299 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 849 transitions. Word has length 94 [2024-11-07 00:34:36,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:36,299 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 849 transitions. [2024-11-07 00:34:36,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 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) [2024-11-07 00:34:36,300 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 849 transitions. [2024-11-07 00:34:36,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-07 00:34:36,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:36,301 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] [2024-11-07 00:34:36,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 00:34:36,301 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:36,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:36,302 INFO L85 PathProgramCache]: Analyzing trace with hash 699949039, now seen corresponding path program 1 times [2024-11-07 00:34:36,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:36,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654537574] [2024-11-07 00:34:36,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:36,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:36,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:36,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654537574] [2024-11-07 00:34:36,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654537574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:36,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:36,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:36,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106096644] [2024-11-07 00:34:36,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:36,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:36,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:36,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:36,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:36,549 INFO L87 Difference]: Start difference. First operand 646 states and 849 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:37,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:37,731 INFO L93 Difference]: Finished difference Result 1127 states and 1501 transitions. [2024-11-07 00:34:37,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 00:34:37,732 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2024-11-07 00:34:37,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:37,734 INFO L225 Difference]: With dead ends: 1127 [2024-11-07 00:34:37,734 INFO L226 Difference]: Without dead ends: 988 [2024-11-07 00:34:37,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-07 00:34:37,735 INFO L432 NwaCegarLoop]: 730 mSDtfsCounter, 3455 mSDsluCounter, 2375 mSDsCounter, 0 mSdLazyCounter, 2392 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3455 SdHoareTripleChecker+Valid, 3105 SdHoareTripleChecker+Invalid, 2398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:37,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3455 Valid, 3105 Invalid, 2398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2392 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 00:34:37,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-07 00:34:37,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 642. [2024-11-07 00:34:37,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3612903225806452) internal successors, (844), 641 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) [2024-11-07 00:34:37,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 844 transitions. [2024-11-07 00:34:37,741 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 844 transitions. Word has length 95 [2024-11-07 00:34:37,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:37,742 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 844 transitions. [2024-11-07 00:34:37,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:37,742 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 844 transitions. [2024-11-07 00:34:37,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:37,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:37,743 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:37,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 00:34:37,744 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:37,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:37,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1333702137, now seen corresponding path program 1 times [2024-11-07 00:34:37,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:37,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431384653] [2024-11-07 00:34:37,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:37,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:37,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:37,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:37,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431384653] [2024-11-07 00:34:37,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431384653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:37,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:37,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:37,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186524145] [2024-11-07 00:34:38,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:38,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:38,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:38,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:38,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:38,001 INFO L87 Difference]: Start difference. First operand 642 states and 844 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:38,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:38,897 INFO L93 Difference]: Finished difference Result 1089 states and 1442 transitions. [2024-11-07 00:34:38,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:34:38,897 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-07 00:34:38,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:38,900 INFO L225 Difference]: With dead ends: 1089 [2024-11-07 00:34:38,900 INFO L226 Difference]: Without dead ends: 980 [2024-11-07 00:34:38,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:34:38,901 INFO L432 NwaCegarLoop]: 606 mSDtfsCounter, 4041 mSDsluCounter, 1992 mSDsCounter, 0 mSdLazyCounter, 2027 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4041 SdHoareTripleChecker+Valid, 2598 SdHoareTripleChecker+Invalid, 2034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:38,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4041 Valid, 2598 Invalid, 2034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2027 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:34:38,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2024-11-07 00:34:38,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 642. [2024-11-07 00:34:38,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3596774193548387) internal successors, (843), 641 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) [2024-11-07 00:34:38,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 843 transitions. [2024-11-07 00:34:38,909 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 843 transitions. Word has length 96 [2024-11-07 00:34:38,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:38,909 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 843 transitions. [2024-11-07 00:34:38,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:38,910 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 843 transitions. [2024-11-07 00:34:38,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:38,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:38,911 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:38,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 00:34:38,911 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:38,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:38,912 INFO L85 PathProgramCache]: Analyzing trace with hash 924856909, now seen corresponding path program 1 times [2024-11-07 00:34:38,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:38,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919159145] [2024-11-07 00:34:38,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:38,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:39,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:39,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:39,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919159145] [2024-11-07 00:34:39,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919159145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:39,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:39,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:39,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306290115] [2024-11-07 00:34:39,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:39,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:39,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:39,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:39,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:39,205 INFO L87 Difference]: Start difference. First operand 642 states and 843 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:40,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:40,163 INFO L93 Difference]: Finished difference Result 1051 states and 1386 transitions. [2024-11-07 00:34:40,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:34:40,163 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-07 00:34:40,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:40,166 INFO L225 Difference]: With dead ends: 1051 [2024-11-07 00:34:40,166 INFO L226 Difference]: Without dead ends: 964 [2024-11-07 00:34:40,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:34:40,167 INFO L432 NwaCegarLoop]: 552 mSDtfsCounter, 3712 mSDsluCounter, 2298 mSDsCounter, 0 mSdLazyCounter, 2203 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3712 SdHoareTripleChecker+Valid, 2850 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:40,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3712 Valid, 2850 Invalid, 2210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2203 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:34:40,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-07 00:34:40,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 642. [2024-11-07 00:34:40,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3580645161290323) internal successors, (842), 641 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) [2024-11-07 00:34:40,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 842 transitions. [2024-11-07 00:34:40,174 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 842 transitions. Word has length 96 [2024-11-07 00:34:40,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:40,174 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 842 transitions. [2024-11-07 00:34:40,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:40,174 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 842 transitions. [2024-11-07 00:34:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:40,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:40,175 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:40,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 00:34:40,175 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:40,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:40,176 INFO L85 PathProgramCache]: Analyzing trace with hash 92967727, now seen corresponding path program 1 times [2024-11-07 00:34:40,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:40,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330829607] [2024-11-07 00:34:40,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:40,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:40,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:40,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:40,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330829607] [2024-11-07 00:34:40,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330829607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:40,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:40,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 00:34:40,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473342439] [2024-11-07 00:34:40,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:40,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 00:34:40,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:40,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 00:34:40,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:34:40,593 INFO L87 Difference]: Start difference. First operand 642 states and 842 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:42,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:42,183 INFO L93 Difference]: Finished difference Result 1450 states and 1960 transitions. [2024-11-07 00:34:42,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 00:34:42,184 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-07 00:34:42,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:42,187 INFO L225 Difference]: With dead ends: 1450 [2024-11-07 00:34:42,187 INFO L226 Difference]: Without dead ends: 1296 [2024-11-07 00:34:42,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-07 00:34:42,189 INFO L432 NwaCegarLoop]: 645 mSDtfsCounter, 5967 mSDsluCounter, 2987 mSDsCounter, 0 mSdLazyCounter, 2824 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5967 SdHoareTripleChecker+Valid, 3632 SdHoareTripleChecker+Invalid, 3033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 2824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:42,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5967 Valid, 3632 Invalid, 3033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 2824 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 00:34:42,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2024-11-07 00:34:42,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 646. [2024-11-07 00:34:42,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3557692307692308) internal successors, (846), 645 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:42,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 846 transitions. [2024-11-07 00:34:42,199 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 846 transitions. Word has length 96 [2024-11-07 00:34:42,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:42,199 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 846 transitions. [2024-11-07 00:34:42,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:42,199 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 846 transitions. [2024-11-07 00:34:42,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:42,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:42,201 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:42,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 00:34:42,201 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:42,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:42,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1306594953, now seen corresponding path program 1 times [2024-11-07 00:34:42,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:42,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121693567] [2024-11-07 00:34:42,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:42,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:42,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:42,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:42,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121693567] [2024-11-07 00:34:42,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121693567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:42,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:42,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:42,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494166669] [2024-11-07 00:34:42,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:42,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:42,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:42,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:42,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:42,467 INFO L87 Difference]: Start difference. First operand 646 states and 846 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:43,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:43,497 INFO L93 Difference]: Finished difference Result 1084 states and 1434 transitions. [2024-11-07 00:34:43,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:34:43,498 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-07 00:34:43,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:43,500 INFO L225 Difference]: With dead ends: 1084 [2024-11-07 00:34:43,500 INFO L226 Difference]: Without dead ends: 984 [2024-11-07 00:34:43,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:34:43,501 INFO L432 NwaCegarLoop]: 606 mSDtfsCounter, 4034 mSDsluCounter, 1992 mSDsCounter, 0 mSdLazyCounter, 2019 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4034 SdHoareTripleChecker+Valid, 2598 SdHoareTripleChecker+Invalid, 2026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2019 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:43,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4034 Valid, 2598 Invalid, 2026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2019 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 00:34:43,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-11-07 00:34:43,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 646. [2024-11-07 00:34:43,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3541666666666667) internal successors, (845), 645 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) [2024-11-07 00:34:43,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 845 transitions. [2024-11-07 00:34:43,509 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 845 transitions. Word has length 96 [2024-11-07 00:34:43,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:43,509 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 845 transitions. [2024-11-07 00:34:43,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:43,509 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 845 transitions. [2024-11-07 00:34:43,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:43,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:43,510 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:43,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 00:34:43,511 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:43,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:43,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1839313585, now seen corresponding path program 1 times [2024-11-07 00:34:43,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:43,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440465760] [2024-11-07 00:34:43,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:43,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:43,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:43,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440465760] [2024-11-07 00:34:43,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440465760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:43,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:43,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:43,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122709497] [2024-11-07 00:34:43,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:43,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:43,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:43,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:43,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:43,795 INFO L87 Difference]: Start difference. First operand 646 states and 845 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:44,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:44,747 INFO L93 Difference]: Finished difference Result 1051 states and 1384 transitions. [2024-11-07 00:34:44,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:34:44,748 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-07 00:34:44,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:44,750 INFO L225 Difference]: With dead ends: 1051 [2024-11-07 00:34:44,750 INFO L226 Difference]: Without dead ends: 968 [2024-11-07 00:34:44,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:34:44,751 INFO L432 NwaCegarLoop]: 569 mSDtfsCounter, 3671 mSDsluCounter, 2349 mSDsCounter, 0 mSdLazyCounter, 2255 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3671 SdHoareTripleChecker+Valid, 2918 SdHoareTripleChecker+Invalid, 2262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:44,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3671 Valid, 2918 Invalid, 2262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2255 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:34:44,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-07 00:34:44,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 646. [2024-11-07 00:34:44,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3525641025641026) internal successors, (844), 645 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) [2024-11-07 00:34:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 844 transitions. [2024-11-07 00:34:44,759 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 844 transitions. Word has length 96 [2024-11-07 00:34:44,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:44,759 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 844 transitions. [2024-11-07 00:34:44,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:44,759 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 844 transitions. [2024-11-07 00:34:44,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:44,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:44,760 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:44,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 00:34:44,760 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:44,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:44,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1859604465, now seen corresponding path program 1 times [2024-11-07 00:34:44,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:44,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430390398] [2024-11-07 00:34:44,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:44,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:45,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:45,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:45,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430390398] [2024-11-07 00:34:45,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430390398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:45,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:45,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:45,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398017577] [2024-11-07 00:34:45,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:45,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:45,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:45,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:45,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:45,036 INFO L87 Difference]: Start difference. First operand 646 states and 844 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:45,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:45,831 INFO L93 Difference]: Finished difference Result 941 states and 1211 transitions. [2024-11-07 00:34:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:34:45,832 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-07 00:34:45,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:45,834 INFO L225 Difference]: With dead ends: 941 [2024-11-07 00:34:45,834 INFO L226 Difference]: Without dead ends: 936 [2024-11-07 00:34:45,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:34:45,835 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 2230 mSDsluCounter, 1506 mSDsCounter, 0 mSdLazyCounter, 1636 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 1980 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:45,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2230 Valid, 1980 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1636 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 00:34:45,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-07 00:34:45,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 646. [2024-11-07 00:34:45,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3509615384615385) internal successors, (843), 645 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) [2024-11-07 00:34:45,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 843 transitions. [2024-11-07 00:34:45,841 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 843 transitions. Word has length 96 [2024-11-07 00:34:45,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:45,841 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 843 transitions. [2024-11-07 00:34:45,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 843 transitions. [2024-11-07 00:34:45,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:45,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:45,842 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:45,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-07 00:34:45,843 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:45,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:45,843 INFO L85 PathProgramCache]: Analyzing trace with hash -523165729, now seen corresponding path program 1 times [2024-11-07 00:34:45,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:45,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565448600] [2024-11-07 00:34:45,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:45,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:46,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:46,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565448600] [2024-11-07 00:34:46,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565448600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:46,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:46,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:46,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887426226] [2024-11-07 00:34:46,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:46,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:46,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:46,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:46,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:46,072 INFO L87 Difference]: Start difference. First operand 646 states and 843 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:47,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:47,050 INFO L93 Difference]: Finished difference Result 1093 states and 1437 transitions. [2024-11-07 00:34:47,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 00:34:47,051 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-07 00:34:47,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:47,053 INFO L225 Difference]: With dead ends: 1093 [2024-11-07 00:34:47,053 INFO L226 Difference]: Without dead ends: 984 [2024-11-07 00:34:47,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:34:47,054 INFO L432 NwaCegarLoop]: 650 mSDtfsCounter, 2788 mSDsluCounter, 2119 mSDsCounter, 0 mSdLazyCounter, 2198 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2788 SdHoareTripleChecker+Valid, 2769 SdHoareTripleChecker+Invalid, 2204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:47,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2788 Valid, 2769 Invalid, 2204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2198 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:34:47,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-11-07 00:34:47,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 646. [2024-11-07 00:34:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3493589743589745) internal successors, (842), 645 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) [2024-11-07 00:34:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 842 transitions. [2024-11-07 00:34:47,059 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 842 transitions. Word has length 96 [2024-11-07 00:34:47,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:47,059 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 842 transitions. [2024-11-07 00:34:47,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:47,060 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 842 transitions. [2024-11-07 00:34:47,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:47,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:47,060 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, 1, 1, 1] [2024-11-07 00:34:47,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-07 00:34:47,060 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:47,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:47,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1450759237, now seen corresponding path program 1 times [2024-11-07 00:34:47,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:47,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302951218] [2024-11-07 00:34:47,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:47,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:47,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:47,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302951218] [2024-11-07 00:34:47,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302951218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:47,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:47,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:47,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144553596] [2024-11-07 00:34:47,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:47,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:47,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:47,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:47,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:47,318 INFO L87 Difference]: Start difference. First operand 646 states and 842 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:48,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:48,178 INFO L93 Difference]: Finished difference Result 1055 states and 1383 transitions. [2024-11-07 00:34:48,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:34:48,178 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-07 00:34:48,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:48,181 INFO L225 Difference]: With dead ends: 1055 [2024-11-07 00:34:48,181 INFO L226 Difference]: Without dead ends: 968 [2024-11-07 00:34:48,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:34:48,182 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 2803 mSDsluCounter, 2180 mSDsCounter, 0 mSdLazyCounter, 2116 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2803 SdHoareTripleChecker+Valid, 2774 SdHoareTripleChecker+Invalid, 2122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:48,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2803 Valid, 2774 Invalid, 2122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2116 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:34:48,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-07 00:34:48,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 646. [2024-11-07 00:34:48,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3477564102564104) internal successors, (841), 645 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) [2024-11-07 00:34:48,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 841 transitions. [2024-11-07 00:34:48,189 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 841 transitions. Word has length 96 [2024-11-07 00:34:48,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:48,190 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 841 transitions. [2024-11-07 00:34:48,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:48,191 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 841 transitions. [2024-11-07 00:34:48,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:48,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:48,191 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:48,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-07 00:34:48,192 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:48,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:48,192 INFO L85 PathProgramCache]: Analyzing trace with hash 218924218, now seen corresponding path program 1 times [2024-11-07 00:34:48,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:48,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232896007] [2024-11-07 00:34:48,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:48,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:48,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:48,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:48,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232896007] [2024-11-07 00:34:48,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232896007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:48,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:48,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:48,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959669600] [2024-11-07 00:34:48,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:48,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:48,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:48,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:48,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:48,435 INFO L87 Difference]: Start difference. First operand 646 states and 841 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:49,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:49,436 INFO L93 Difference]: Finished difference Result 1055 states and 1383 transitions. [2024-11-07 00:34:49,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:34:49,436 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-07 00:34:49,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:49,439 INFO L225 Difference]: With dead ends: 1055 [2024-11-07 00:34:49,439 INFO L226 Difference]: Without dead ends: 968 [2024-11-07 00:34:49,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:34:49,444 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 3612 mSDsluCounter, 2421 mSDsCounter, 0 mSdLazyCounter, 2296 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3612 SdHoareTripleChecker+Valid, 3014 SdHoareTripleChecker+Invalid, 2303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:49,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3612 Valid, 3014 Invalid, 2303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2296 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 00:34:49,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-07 00:34:49,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 646. [2024-11-07 00:34:49,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3461538461538463) internal successors, (840), 645 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) [2024-11-07 00:34:49,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 840 transitions. [2024-11-07 00:34:49,453 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 840 transitions. Word has length 96 [2024-11-07 00:34:49,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:49,453 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 840 transitions. [2024-11-07 00:34:49,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:49,454 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 840 transitions. [2024-11-07 00:34:49,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:49,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:49,454 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:49,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-07 00:34:49,454 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:49,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:49,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1223338080, now seen corresponding path program 1 times [2024-11-07 00:34:49,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:49,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607670469] [2024-11-07 00:34:49,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:49,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:49,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:49,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:49,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607670469] [2024-11-07 00:34:49,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607670469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:49,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:49,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:49,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446220780] [2024-11-07 00:34:49,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:49,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:49,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:49,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:49,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:49,665 INFO L87 Difference]: Start difference. First operand 646 states and 840 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:50,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:50,482 INFO L93 Difference]: Finished difference Result 1013 states and 1315 transitions. [2024-11-07 00:34:50,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 00:34:50,482 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-07 00:34:50,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:50,485 INFO L225 Difference]: With dead ends: 1013 [2024-11-07 00:34:50,485 INFO L226 Difference]: Without dead ends: 936 [2024-11-07 00:34:50,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:34:50,490 INFO L432 NwaCegarLoop]: 490 mSDtfsCounter, 2189 mSDsluCounter, 1550 mSDsCounter, 0 mSdLazyCounter, 1676 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2189 SdHoareTripleChecker+Valid, 2040 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:50,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2189 Valid, 2040 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1676 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 00:34:50,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-07 00:34:50,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 646. [2024-11-07 00:34:50,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3445512820512822) internal successors, (839), 645 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) [2024-11-07 00:34:50,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 839 transitions. [2024-11-07 00:34:50,498 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 839 transitions. Word has length 96 [2024-11-07 00:34:50,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:50,498 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 839 transitions. [2024-11-07 00:34:50,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:50,498 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 839 transitions. [2024-11-07 00:34:50,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:50,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:50,499 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:50,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-07 00:34:50,499 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:50,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:50,500 INFO L85 PathProgramCache]: Analyzing trace with hash -2013822329, now seen corresponding path program 1 times [2024-11-07 00:34:50,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:50,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149796994] [2024-11-07 00:34:50,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:50,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:50,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:50,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:50,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149796994] [2024-11-07 00:34:50,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149796994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:50,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:50,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:50,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356131442] [2024-11-07 00:34:50,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:50,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:50,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:50,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:50,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:50,694 INFO L87 Difference]: Start difference. First operand 646 states and 839 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:51,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:51,519 INFO L93 Difference]: Finished difference Result 1055 states and 1380 transitions. [2024-11-07 00:34:51,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 00:34:51,520 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-07 00:34:51,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:51,522 INFO L225 Difference]: With dead ends: 1055 [2024-11-07 00:34:51,522 INFO L226 Difference]: Without dead ends: 968 [2024-11-07 00:34:51,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:34:51,522 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 3946 mSDsluCounter, 1923 mSDsCounter, 0 mSdLazyCounter, 1937 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3946 SdHoareTripleChecker+Valid, 2516 SdHoareTripleChecker+Invalid, 1944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:51,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3946 Valid, 2516 Invalid, 1944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1937 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 00:34:51,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-07 00:34:51,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 646. [2024-11-07 00:34:51,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3429487179487178) internal successors, (838), 645 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) [2024-11-07 00:34:51,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 838 transitions. [2024-11-07 00:34:51,529 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 838 transitions. Word has length 96 [2024-11-07 00:34:51,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:51,529 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 838 transitions. [2024-11-07 00:34:51,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:51,529 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 838 transitions. [2024-11-07 00:34:51,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:51,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:51,530 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:51,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-07 00:34:51,530 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:51,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:51,531 INFO L85 PathProgramCache]: Analyzing trace with hash 74279322, now seen corresponding path program 1 times [2024-11-07 00:34:51,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:51,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581320157] [2024-11-07 00:34:51,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:51,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:51,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:51,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:51,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581320157] [2024-11-07 00:34:51,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581320157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:51,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:51,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:51,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370566823] [2024-11-07 00:34:51,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:51,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:51,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:51,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:51,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:51,733 INFO L87 Difference]: Start difference. First operand 646 states and 838 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:52,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:52,696 INFO L93 Difference]: Finished difference Result 1084 states and 1422 transitions. [2024-11-07 00:34:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:34:52,697 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-07 00:34:52,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:52,699 INFO L225 Difference]: With dead ends: 1084 [2024-11-07 00:34:52,699 INFO L226 Difference]: Without dead ends: 984 [2024-11-07 00:34:52,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:34:52,699 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 3710 mSDsluCounter, 2143 mSDsCounter, 0 mSdLazyCounter, 2156 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3710 SdHoareTripleChecker+Valid, 2800 SdHoareTripleChecker+Invalid, 2162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:52,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3710 Valid, 2800 Invalid, 2162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2156 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:34:52,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-11-07 00:34:52,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 646. [2024-11-07 00:34:52,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3413461538461537) internal successors, (837), 645 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) [2024-11-07 00:34:52,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 837 transitions. [2024-11-07 00:34:52,707 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 837 transitions. Word has length 96 [2024-11-07 00:34:52,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:52,707 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 837 transitions. [2024-11-07 00:34:52,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:52,708 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 837 transitions. [2024-11-07 00:34:52,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:52,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:52,709 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:52,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-07 00:34:52,709 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:52,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:52,709 INFO L85 PathProgramCache]: Analyzing trace with hash -236760265, now seen corresponding path program 1 times [2024-11-07 00:34:52,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:52,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765108504] [2024-11-07 00:34:52,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:52,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:52,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:52,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:52,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765108504] [2024-11-07 00:34:52,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765108504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:52,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:52,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:52,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587999914] [2024-11-07 00:34:52,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:52,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:52,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:52,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:52,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:52,902 INFO L87 Difference]: Start difference. First operand 646 states and 837 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:53,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:53,694 INFO L93 Difference]: Finished difference Result 1013 states and 1311 transitions. [2024-11-07 00:34:53,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 00:34:53,695 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-07 00:34:53,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:53,696 INFO L225 Difference]: With dead ends: 1013 [2024-11-07 00:34:53,696 INFO L226 Difference]: Without dead ends: 936 [2024-11-07 00:34:53,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:34:53,697 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 3199 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 1679 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3199 SdHoareTripleChecker+Valid, 2081 SdHoareTripleChecker+Invalid, 1685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:53,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3199 Valid, 2081 Invalid, 1685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1679 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 00:34:53,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-07 00:34:53,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 646. [2024-11-07 00:34:53,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3397435897435896) internal successors, (836), 645 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) [2024-11-07 00:34:53,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 836 transitions. [2024-11-07 00:34:53,707 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 836 transitions. Word has length 96 [2024-11-07 00:34:53,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:53,707 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 836 transitions. [2024-11-07 00:34:53,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:53,708 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 836 transitions. [2024-11-07 00:34:53,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:53,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:53,708 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:53,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-07 00:34:53,709 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:53,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:53,709 INFO L85 PathProgramCache]: Analyzing trace with hash -872854485, now seen corresponding path program 1 times [2024-11-07 00:34:53,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:53,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945725163] [2024-11-07 00:34:53,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:53,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:53,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:53,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:53,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945725163] [2024-11-07 00:34:53,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945725163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:53,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:53,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:53,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433004246] [2024-11-07 00:34:53,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:53,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:53,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:53,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:53,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:53,938 INFO L87 Difference]: Start difference. First operand 646 states and 836 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:54,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:54,860 INFO L93 Difference]: Finished difference Result 1055 states and 1376 transitions. [2024-11-07 00:34:54,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 00:34:54,861 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-07 00:34:54,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:54,862 INFO L225 Difference]: With dead ends: 1055 [2024-11-07 00:34:54,862 INFO L226 Difference]: Without dead ends: 968 [2024-11-07 00:34:54,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:34:54,863 INFO L432 NwaCegarLoop]: 665 mSDtfsCounter, 2652 mSDsluCounter, 2382 mSDsCounter, 0 mSdLazyCounter, 2328 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2652 SdHoareTripleChecker+Valid, 3047 SdHoareTripleChecker+Invalid, 2333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:54,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2652 Valid, 3047 Invalid, 2333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2328 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:34:54,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-07 00:34:54,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 646. [2024-11-07 00:34:54,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3381410256410255) internal successors, (835), 645 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) [2024-11-07 00:34:54,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 835 transitions. [2024-11-07 00:34:54,871 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 835 transitions. Word has length 96 [2024-11-07 00:34:54,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:54,871 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 835 transitions. [2024-11-07 00:34:54,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:54,871 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 835 transitions. [2024-11-07 00:34:54,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:54,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:54,872 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:54,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-07 00:34:54,872 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:54,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:54,873 INFO L85 PathProgramCache]: Analyzing trace with hash -35876805, now seen corresponding path program 1 times [2024-11-07 00:34:54,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:54,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929653813] [2024-11-07 00:34:54,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:54,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:55,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:55,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929653813] [2024-11-07 00:34:55,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929653813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:55,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:55,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 00:34:55,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748158912] [2024-11-07 00:34:55,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:55,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 00:34:55,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:55,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 00:34:55,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:34:55,240 INFO L87 Difference]: Start difference. First operand 646 states and 835 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:56,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:56,633 INFO L93 Difference]: Finished difference Result 1279 states and 1701 transitions. [2024-11-07 00:34:56,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 00:34:56,634 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-07 00:34:56,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:56,636 INFO L225 Difference]: With dead ends: 1279 [2024-11-07 00:34:56,636 INFO L226 Difference]: Without dead ends: 1196 [2024-11-07 00:34:56,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-07 00:34:56,636 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 5842 mSDsluCounter, 2724 mSDsCounter, 0 mSdLazyCounter, 2603 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5842 SdHoareTripleChecker+Valid, 3335 SdHoareTripleChecker+Invalid, 2814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 2603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:56,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5842 Valid, 3335 Invalid, 2814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 2603 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 00:34:56,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2024-11-07 00:34:56,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 650. [2024-11-07 00:34:56,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.335987261146497) internal successors, (839), 649 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) [2024-11-07 00:34:56,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 839 transitions. [2024-11-07 00:34:56,643 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 839 transitions. Word has length 96 [2024-11-07 00:34:56,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:56,643 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 839 transitions. [2024-11-07 00:34:56,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:56,643 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 839 transitions. [2024-11-07 00:34:56,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 00:34:56,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:56,644 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:56,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-07 00:34:56,644 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:56,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:56,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1688520017, now seen corresponding path program 1 times [2024-11-07 00:34:56,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:56,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266153329] [2024-11-07 00:34:56,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:56,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:56,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:56,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:56,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266153329] [2024-11-07 00:34:56,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266153329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:56,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:56,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:56,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810864626] [2024-11-07 00:34:56,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:56,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:56,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:56,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:56,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:56,850 INFO L87 Difference]: Start difference. First operand 650 states and 839 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:57,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:57,756 INFO L93 Difference]: Finished difference Result 1050 states and 1369 transitions. [2024-11-07 00:34:57,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:34:57,756 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-07 00:34:57,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:57,758 INFO L225 Difference]: With dead ends: 1050 [2024-11-07 00:34:57,758 INFO L226 Difference]: Without dead ends: 968 [2024-11-07 00:34:57,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:34:57,758 INFO L432 NwaCegarLoop]: 608 mSDtfsCounter, 2760 mSDsluCounter, 2468 mSDsCounter, 0 mSdLazyCounter, 2277 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2760 SdHoareTripleChecker+Valid, 3076 SdHoareTripleChecker+Invalid, 2283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:57,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2760 Valid, 3076 Invalid, 2283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2277 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:34:57,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-07 00:34:57,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 650. [2024-11-07 00:34:57,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3343949044585988) internal successors, (838), 649 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) [2024-11-07 00:34:57,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 838 transitions. [2024-11-07 00:34:57,764 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 838 transitions. Word has length 96 [2024-11-07 00:34:57,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:57,764 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 838 transitions. [2024-11-07 00:34:57,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:57,764 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 838 transitions. [2024-11-07 00:34:57,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-07 00:34:57,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:57,765 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:57,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-07 00:34:57,765 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:57,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:57,765 INFO L85 PathProgramCache]: Analyzing trace with hash -509190882, now seen corresponding path program 1 times [2024-11-07 00:34:57,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:57,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438088892] [2024-11-07 00:34:57,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:57,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:57,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:57,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:57,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438088892] [2024-11-07 00:34:57,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438088892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:57,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:57,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:57,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203014417] [2024-11-07 00:34:57,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:57,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:57,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:57,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:57,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:57,950 INFO L87 Difference]: Start difference. First operand 650 states and 838 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:58,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:58,843 INFO L93 Difference]: Finished difference Result 1146 states and 1497 transitions. [2024-11-07 00:34:58,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 00:34:58,844 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-07 00:34:58,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:58,845 INFO L225 Difference]: With dead ends: 1146 [2024-11-07 00:34:58,845 INFO L226 Difference]: Without dead ends: 992 [2024-11-07 00:34:58,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-07 00:34:58,845 INFO L432 NwaCegarLoop]: 683 mSDtfsCounter, 2744 mSDsluCounter, 2236 mSDsCounter, 0 mSdLazyCounter, 2108 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2744 SdHoareTripleChecker+Valid, 2919 SdHoareTripleChecker+Invalid, 2114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:58,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2744 Valid, 2919 Invalid, 2114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2108 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:34:58,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2024-11-07 00:34:58,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 646. [2024-11-07 00:34:58,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3349358974358974) internal successors, (833), 645 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:58,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 833 transitions. [2024-11-07 00:34:58,850 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 833 transitions. Word has length 97 [2024-11-07 00:34:58,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:58,851 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 833 transitions. [2024-11-07 00:34:58,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 833 transitions. [2024-11-07 00:34:58,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-07 00:34:58,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:58,851 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:34:58,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-07 00:34:58,851 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:58,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:58,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1542766093, now seen corresponding path program 1 times [2024-11-07 00:34:58,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:58,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922996844] [2024-11-07 00:34:58,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:58,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:34:59,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:34:59,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:34:59,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922996844] [2024-11-07 00:34:59,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922996844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:34:59,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:34:59,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:34:59,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252361917] [2024-11-07 00:34:59,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:34:59,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:34:59,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:34:59,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:34:59,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:34:59,003 INFO L87 Difference]: Start difference. First operand 646 states and 833 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:59,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:34:59,898 INFO L93 Difference]: Finished difference Result 1047 states and 1364 transitions. [2024-11-07 00:34:59,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 00:34:59,898 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-07 00:34:59,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:34:59,899 INFO L225 Difference]: With dead ends: 1047 [2024-11-07 00:34:59,899 INFO L226 Difference]: Without dead ends: 964 [2024-11-07 00:34:59,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:34:59,900 INFO L432 NwaCegarLoop]: 656 mSDtfsCounter, 2665 mSDsluCounter, 2110 mSDsCounter, 0 mSdLazyCounter, 2154 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2665 SdHoareTripleChecker+Valid, 2766 SdHoareTripleChecker+Invalid, 2159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:34:59,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2665 Valid, 2766 Invalid, 2159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2154 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:34:59,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-07 00:34:59,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 642. [2024-11-07 00:34:59,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.335483870967742) internal successors, (828), 641 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) [2024-11-07 00:34:59,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 828 transitions. [2024-11-07 00:34:59,905 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 828 transitions. Word has length 97 [2024-11-07 00:34:59,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:34:59,905 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 828 transitions. [2024-11-07 00:34:59,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:34:59,905 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 828 transitions. [2024-11-07 00:34:59,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 00:34:59,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:34:59,905 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, 1, 1, 1] [2024-11-07 00:34:59,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-07 00:34:59,906 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:34:59,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:34:59,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1799558176, now seen corresponding path program 1 times [2024-11-07 00:34:59,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:34:59,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824747539] [2024-11-07 00:34:59,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:34:59,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:34:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:00,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:00,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:00,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824747539] [2024-11-07 00:35:00,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824747539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:00,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:00,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:35:00,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310236600] [2024-11-07 00:35:00,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:00,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:00,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:00,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:00,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:00,140 INFO L87 Difference]: Start difference. First operand 642 states and 828 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:01,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:01,023 INFO L93 Difference]: Finished difference Result 1012 states and 1304 transitions. [2024-11-07 00:35:01,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:35:01,024 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-07 00:35:01,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:01,025 INFO L225 Difference]: With dead ends: 1012 [2024-11-07 00:35:01,025 INFO L226 Difference]: Without dead ends: 932 [2024-11-07 00:35:01,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:35:01,026 INFO L432 NwaCegarLoop]: 519 mSDtfsCounter, 3709 mSDsluCounter, 2088 mSDsCounter, 0 mSdLazyCounter, 2026 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3709 SdHoareTripleChecker+Valid, 2607 SdHoareTripleChecker+Invalid, 2033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:01,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3709 Valid, 2607 Invalid, 2033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2026 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:35:01,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2024-11-07 00:35:01,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 642. [2024-11-07 00:35:01,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 620 states have (on average 1.3338709677419356) internal successors, (827), 641 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) [2024-11-07 00:35:01,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 827 transitions. [2024-11-07 00:35:01,033 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 827 transitions. Word has length 98 [2024-11-07 00:35:01,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:01,033 INFO L471 AbstractCegarLoop]: Abstraction has 642 states and 827 transitions. [2024-11-07 00:35:01,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:01,033 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 827 transitions. [2024-11-07 00:35:01,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 00:35:01,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:01,034 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:35:01,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-07 00:35:01,034 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:35:01,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:01,034 INFO L85 PathProgramCache]: Analyzing trace with hash 112638926, now seen corresponding path program 1 times [2024-11-07 00:35:01,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:01,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39662941] [2024-11-07 00:35:01,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:01,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:01,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:01,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:01,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39662941] [2024-11-07 00:35:01,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39662941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:01,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:01,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 00:35:01,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130647276] [2024-11-07 00:35:01,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:01,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 00:35:01,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:01,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 00:35:01,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:35:01,325 INFO L87 Difference]: Start difference. First operand 642 states and 827 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:02,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:02,585 INFO L93 Difference]: Finished difference Result 1284 states and 1699 transitions. [2024-11-07 00:35:02,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 00:35:02,586 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-07 00:35:02,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:02,589 INFO L225 Difference]: With dead ends: 1284 [2024-11-07 00:35:02,589 INFO L226 Difference]: Without dead ends: 1192 [2024-11-07 00:35:02,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-07 00:35:02,591 INFO L432 NwaCegarLoop]: 603 mSDtfsCounter, 7188 mSDsluCounter, 2133 mSDsCounter, 0 mSdLazyCounter, 2108 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7188 SdHoareTripleChecker+Valid, 2736 SdHoareTripleChecker+Invalid, 2324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 2108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:02,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7188 Valid, 2736 Invalid, 2324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 2108 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 00:35:02,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2024-11-07 00:35:02,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 646. [2024-11-07 00:35:02,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.3317307692307692) internal successors, (831), 645 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:02,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 831 transitions. [2024-11-07 00:35:02,605 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 831 transitions. Word has length 98 [2024-11-07 00:35:02,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:02,605 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 831 transitions. [2024-11-07 00:35:02,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:02,606 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 831 transitions. [2024-11-07 00:35:02,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 00:35:02,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:02,607 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:35:02,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-07 00:35:02,607 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:35:02,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:02,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1288712520, now seen corresponding path program 1 times [2024-11-07 00:35:02,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:02,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037724925] [2024-11-07 00:35:02,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:02,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:02,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:02,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:02,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037724925] [2024-11-07 00:35:02,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037724925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:02,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:02,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:35:02,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999658600] [2024-11-07 00:35:02,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:02,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:02,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:02,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:02,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:02,794 INFO L87 Difference]: Start difference. First operand 646 states and 831 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:03,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:03,586 INFO L93 Difference]: Finished difference Result 1013 states and 1304 transitions. [2024-11-07 00:35:03,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:35:03,587 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-07 00:35:03,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:03,588 INFO L225 Difference]: With dead ends: 1013 [2024-11-07 00:35:03,588 INFO L226 Difference]: Without dead ends: 936 [2024-11-07 00:35:03,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:35:03,589 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 2914 mSDsluCounter, 1777 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2914 SdHoareTripleChecker+Valid, 2342 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:03,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2914 Valid, 2342 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1910 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 00:35:03,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-07 00:35:03,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 646. [2024-11-07 00:35:03,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 624 states have (on average 1.330128205128205) internal successors, (830), 645 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) [2024-11-07 00:35:03,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 830 transitions. [2024-11-07 00:35:03,596 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 830 transitions. Word has length 98 [2024-11-07 00:35:03,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:03,597 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 830 transitions. [2024-11-07 00:35:03,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:03,597 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 830 transitions. [2024-11-07 00:35:03,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 00:35:03,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:03,598 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:35:03,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-07 00:35:03,598 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:35:03,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:03,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1740272545, now seen corresponding path program 1 times [2024-11-07 00:35:03,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:03,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295875716] [2024-11-07 00:35:03,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:03,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:03,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:03,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295875716] [2024-11-07 00:35:03,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295875716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:03,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:03,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 00:35:03,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297947119] [2024-11-07 00:35:03,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:03,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 00:35:03,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:03,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 00:35:03,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:35:03,890 INFO L87 Difference]: Start difference. First operand 646 states and 830 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:05,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:05,042 INFO L93 Difference]: Finished difference Result 1204 states and 1576 transitions. [2024-11-07 00:35:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 00:35:05,043 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-07 00:35:05,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:05,044 INFO L225 Difference]: With dead ends: 1204 [2024-11-07 00:35:05,044 INFO L226 Difference]: Without dead ends: 1124 [2024-11-07 00:35:05,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-07 00:35:05,045 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 6209 mSDsluCounter, 1768 mSDsCounter, 0 mSdLazyCounter, 1838 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6209 SdHoareTripleChecker+Valid, 2279 SdHoareTripleChecker+Invalid, 2078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 1838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:05,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6209 Valid, 2279 Invalid, 2078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 1838 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 00:35:05,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2024-11-07 00:35:05,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 650. [2024-11-07 00:35:05,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3280254777070064) internal successors, (834), 649 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:05,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 834 transitions. [2024-11-07 00:35:05,052 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 834 transitions. Word has length 98 [2024-11-07 00:35:05,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:05,052 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 834 transitions. [2024-11-07 00:35:05,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:05,053 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 834 transitions. [2024-11-07 00:35:05,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 00:35:05,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:05,054 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:35:05,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-07 00:35:05,054 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:35:05,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:05,055 INFO L85 PathProgramCache]: Analyzing trace with hash -285632464, now seen corresponding path program 1 times [2024-11-07 00:35:05,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:05,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892205689] [2024-11-07 00:35:05,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:05,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:05,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:05,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:05,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892205689] [2024-11-07 00:35:05,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892205689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:05,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:05,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:35:05,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556926408] [2024-11-07 00:35:05,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:05,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:05,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:05,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:05,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:05,226 INFO L87 Difference]: Start difference. First operand 650 states and 834 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:06,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:06,144 INFO L93 Difference]: Finished difference Result 1103 states and 1431 transitions. [2024-11-07 00:35:06,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 00:35:06,144 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-07 00:35:06,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:06,146 INFO L225 Difference]: With dead ends: 1103 [2024-11-07 00:35:06,146 INFO L226 Difference]: Without dead ends: 988 [2024-11-07 00:35:06,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:35:06,146 INFO L432 NwaCegarLoop]: 711 mSDtfsCounter, 1723 mSDsluCounter, 2302 mSDsCounter, 0 mSdLazyCounter, 2265 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1723 SdHoareTripleChecker+Valid, 3013 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:06,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1723 Valid, 3013 Invalid, 2270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2265 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:35:06,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-07 00:35:06,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 650. [2024-11-07 00:35:06,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3264331210191083) internal successors, (833), 649 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:06,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 833 transitions. [2024-11-07 00:35:06,153 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 833 transitions. Word has length 98 [2024-11-07 00:35:06,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:06,153 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 833 transitions. [2024-11-07 00:35:06,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:06,153 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 833 transitions. [2024-11-07 00:35:06,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 00:35:06,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:06,154 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:35:06,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-07 00:35:06,154 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:35:06,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:06,154 INFO L85 PathProgramCache]: Analyzing trace with hash 131410264, now seen corresponding path program 1 times [2024-11-07 00:35:06,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:06,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626119999] [2024-11-07 00:35:06,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:06,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:06,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:06,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:06,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626119999] [2024-11-07 00:35:06,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626119999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:06,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:06,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:35:06,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339173354] [2024-11-07 00:35:06,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:06,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:06,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:06,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:06,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:06,399 INFO L87 Difference]: Start difference. First operand 650 states and 833 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:07,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:07,190 INFO L93 Difference]: Finished difference Result 1016 states and 1304 transitions. [2024-11-07 00:35:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:35:07,191 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-07 00:35:07,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:07,193 INFO L225 Difference]: With dead ends: 1016 [2024-11-07 00:35:07,193 INFO L226 Difference]: Without dead ends: 936 [2024-11-07 00:35:07,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:35:07,194 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 2913 mSDsluCounter, 1856 mSDsCounter, 0 mSdLazyCounter, 1848 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2913 SdHoareTripleChecker+Valid, 2372 SdHoareTripleChecker+Invalid, 1854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:07,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2913 Valid, 2372 Invalid, 1854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1848 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 00:35:07,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-07 00:35:07,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 650. [2024-11-07 00:35:07,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3248407643312101) internal successors, (832), 649 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:07,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 832 transitions. [2024-11-07 00:35:07,201 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 832 transitions. Word has length 98 [2024-11-07 00:35:07,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:07,201 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 832 transitions. [2024-11-07 00:35:07,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:07,201 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 832 transitions. [2024-11-07 00:35:07,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 00:35:07,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:07,202 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:35:07,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-07 00:35:07,203 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:35:07,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:07,203 INFO L85 PathProgramCache]: Analyzing trace with hash 2043607366, now seen corresponding path program 1 times [2024-11-07 00:35:07,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:07,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345176188] [2024-11-07 00:35:07,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:07,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:07,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:07,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:07,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345176188] [2024-11-07 00:35:07,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345176188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:07,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:07,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:35:07,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230515254] [2024-11-07 00:35:07,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:07,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:07,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:07,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:07,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:07,390 INFO L87 Difference]: Start difference. First operand 650 states and 832 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:08,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:08,358 INFO L93 Difference]: Finished difference Result 1060 states and 1369 transitions. [2024-11-07 00:35:08,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:35:08,359 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-07 00:35:08,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:08,361 INFO L225 Difference]: With dead ends: 1060 [2024-11-07 00:35:08,361 INFO L226 Difference]: Without dead ends: 968 [2024-11-07 00:35:08,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:35:08,361 INFO L432 NwaCegarLoop]: 685 mSDtfsCounter, 3395 mSDsluCounter, 2695 mSDsCounter, 0 mSdLazyCounter, 2481 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3395 SdHoareTripleChecker+Valid, 3380 SdHoareTripleChecker+Invalid, 2487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:08,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3395 Valid, 3380 Invalid, 2487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2481 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 00:35:08,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-07 00:35:08,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 650. [2024-11-07 00:35:08,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.3232484076433122) internal successors, (831), 649 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:08,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 831 transitions. [2024-11-07 00:35:08,366 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 831 transitions. Word has length 98 [2024-11-07 00:35:08,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:08,366 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 831 transitions. [2024-11-07 00:35:08,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:08,366 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 831 transitions. [2024-11-07 00:35:08,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 00:35:08,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:08,367 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:35:08,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-07 00:35:08,367 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:35:08,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:08,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1144212400, now seen corresponding path program 1 times [2024-11-07 00:35:08,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:08,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991258727] [2024-11-07 00:35:08,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:08,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:08,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:08,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:08,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991258727] [2024-11-07 00:35:08,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991258727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:08,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:08,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:35:08,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826316897] [2024-11-07 00:35:08,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:08,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:08,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:08,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:08,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:08,536 INFO L87 Difference]: Start difference. First operand 650 states and 831 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:09,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:09,432 INFO L93 Difference]: Finished difference Result 1013 states and 1299 transitions. [2024-11-07 00:35:09,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:35:09,432 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-07 00:35:09,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:09,434 INFO L225 Difference]: With dead ends: 1013 [2024-11-07 00:35:09,434 INFO L226 Difference]: Without dead ends: 936 [2024-11-07 00:35:09,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:35:09,435 INFO L432 NwaCegarLoop]: 583 mSDtfsCounter, 3575 mSDsluCounter, 2278 mSDsCounter, 0 mSdLazyCounter, 2195 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3575 SdHoareTripleChecker+Valid, 2861 SdHoareTripleChecker+Invalid, 2201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:09,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3575 Valid, 2861 Invalid, 2201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2195 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:35:09,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-07 00:35:09,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 650. [2024-11-07 00:35:09,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.321656050955414) internal successors, (830), 649 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) [2024-11-07 00:35:09,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 830 transitions. [2024-11-07 00:35:09,441 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 830 transitions. Word has length 98 [2024-11-07 00:35:09,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:09,442 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 830 transitions. [2024-11-07 00:35:09,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:09,442 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 830 transitions. [2024-11-07 00:35:09,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 00:35:09,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:09,443 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:35:09,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-07 00:35:09,443 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:35:09,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:09,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1885152984, now seen corresponding path program 1 times [2024-11-07 00:35:09,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:09,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57332814] [2024-11-07 00:35:09,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:09,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:09,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:09,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:09,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57332814] [2024-11-07 00:35:09,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57332814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:09,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:09,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:35:09,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616070506] [2024-11-07 00:35:09,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:09,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:09,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:09,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:09,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:09,611 INFO L87 Difference]: Start difference. First operand 650 states and 830 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:10,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:10,407 INFO L93 Difference]: Finished difference Result 941 states and 1190 transitions. [2024-11-07 00:35:10,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 00:35:10,407 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-07 00:35:10,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:10,409 INFO L225 Difference]: With dead ends: 941 [2024-11-07 00:35:10,409 INFO L226 Difference]: Without dead ends: 936 [2024-11-07 00:35:10,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:35:10,410 INFO L432 NwaCegarLoop]: 576 mSDtfsCounter, 2896 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 1909 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2896 SdHoareTripleChecker+Valid, 2383 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:10,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2896 Valid, 2383 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1909 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 00:35:10,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-07 00:35:10,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 650. [2024-11-07 00:35:10,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.320063694267516) internal successors, (829), 649 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) [2024-11-07 00:35:10,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 829 transitions. [2024-11-07 00:35:10,416 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 829 transitions. Word has length 98 [2024-11-07 00:35:10,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:10,416 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 829 transitions. [2024-11-07 00:35:10,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:10,417 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 829 transitions. [2024-11-07 00:35:10,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 00:35:10,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:10,418 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:35:10,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-07 00:35:10,418 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:35:10,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:10,418 INFO L85 PathProgramCache]: Analyzing trace with hash -495518324, now seen corresponding path program 1 times [2024-11-07 00:35:10,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:10,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422781902] [2024-11-07 00:35:10,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:10,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:10,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:10,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:10,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422781902] [2024-11-07 00:35:10,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422781902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:10,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:10,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 00:35:10,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338378325] [2024-11-07 00:35:10,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:10,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 00:35:10,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:10,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 00:35:10,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:35:10,790 INFO L87 Difference]: Start difference. First operand 650 states and 829 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:12,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:12,131 INFO L93 Difference]: Finished difference Result 1201 states and 1566 transitions. [2024-11-07 00:35:12,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 00:35:12,131 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-07 00:35:12,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:12,133 INFO L225 Difference]: With dead ends: 1201 [2024-11-07 00:35:12,133 INFO L226 Difference]: Without dead ends: 1124 [2024-11-07 00:35:12,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-07 00:35:12,133 INFO L432 NwaCegarLoop]: 523 mSDtfsCounter, 7326 mSDsluCounter, 2283 mSDsCounter, 0 mSdLazyCounter, 2256 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7326 SdHoareTripleChecker+Valid, 2806 SdHoareTripleChecker+Invalid, 2489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 2256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:12,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7326 Valid, 2806 Invalid, 2489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 2256 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 00:35:12,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2024-11-07 00:35:12,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 654. [2024-11-07 00:35:12,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 632 states have (on average 1.3180379746835442) internal successors, (833), 653 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:12,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 833 transitions. [2024-11-07 00:35:12,139 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 833 transitions. Word has length 98 [2024-11-07 00:35:12,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:12,139 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 833 transitions. [2024-11-07 00:35:12,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:12,139 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 833 transitions. [2024-11-07 00:35:12,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 00:35:12,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:12,140 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:35:12,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-07 00:35:12,141 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:35:12,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:12,141 INFO L85 PathProgramCache]: Analyzing trace with hash -2030828310, now seen corresponding path program 1 times [2024-11-07 00:35:12,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:12,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682931660] [2024-11-07 00:35:12,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:12,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:12,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:12,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:12,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682931660] [2024-11-07 00:35:12,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682931660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:12,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:12,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:35:12,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272125924] [2024-11-07 00:35:12,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:12,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:12,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:12,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:12,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:12,322 INFO L87 Difference]: Start difference. First operand 654 states and 833 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:13,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:13,177 INFO L93 Difference]: Finished difference Result 1011 states and 1293 transitions. [2024-11-07 00:35:13,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:35:13,177 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-07 00:35:13,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:13,179 INFO L225 Difference]: With dead ends: 1011 [2024-11-07 00:35:13,179 INFO L226 Difference]: Without dead ends: 936 [2024-11-07 00:35:13,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:35:13,179 INFO L432 NwaCegarLoop]: 526 mSDtfsCounter, 3668 mSDsluCounter, 2109 mSDsCounter, 0 mSdLazyCounter, 1998 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3668 SdHoareTripleChecker+Valid, 2635 SdHoareTripleChecker+Invalid, 2005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:13,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3668 Valid, 2635 Invalid, 2005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1998 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:35:13,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-07 00:35:13,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 654. [2024-11-07 00:35:13,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 632 states have (on average 1.3164556962025316) internal successors, (832), 653 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 832 transitions. [2024-11-07 00:35:13,185 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 832 transitions. Word has length 98 [2024-11-07 00:35:13,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:13,185 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 832 transitions. [2024-11-07 00:35:13,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:13,185 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 832 transitions. [2024-11-07 00:35:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 00:35:13,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:13,186 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:35:13,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-07 00:35:13,187 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:35:13,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:13,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1301356314, now seen corresponding path program 1 times [2024-11-07 00:35:13,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:13,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155469664] [2024-11-07 00:35:13,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:13,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:13,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:13,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:13,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155469664] [2024-11-07 00:35:13,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155469664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:13,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:13,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:35:13,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495089091] [2024-11-07 00:35:13,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:13,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:13,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:13,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:13,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:13,417 INFO L87 Difference]: Start difference. First operand 654 states and 832 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:14,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:14,349 INFO L93 Difference]: Finished difference Result 989 states and 1256 transitions. [2024-11-07 00:35:14,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 00:35:14,350 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-07 00:35:14,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:14,352 INFO L225 Difference]: With dead ends: 989 [2024-11-07 00:35:14,352 INFO L226 Difference]: Without dead ends: 972 [2024-11-07 00:35:14,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-07 00:35:14,352 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 2682 mSDsluCounter, 2519 mSDsCounter, 0 mSdLazyCounter, 2281 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2682 SdHoareTripleChecker+Valid, 3147 SdHoareTripleChecker+Invalid, 2287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:14,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2682 Valid, 3147 Invalid, 2287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2281 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:35:14,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2024-11-07 00:35:14,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 654. [2024-11-07 00:35:14,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 632 states have (on average 1.3148734177215189) internal successors, (831), 653 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:14,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 831 transitions. [2024-11-07 00:35:14,359 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 831 transitions. Word has length 98 [2024-11-07 00:35:14,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:14,359 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 831 transitions. [2024-11-07 00:35:14,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:14,360 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 831 transitions. [2024-11-07 00:35:14,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 00:35:14,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:14,361 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, 1, 1, 1, 1, 1] [2024-11-07 00:35:14,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-07 00:35:14,361 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:35:14,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:14,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1591996391, now seen corresponding path program 1 times [2024-11-07 00:35:14,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:14,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125482354] [2024-11-07 00:35:14,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:14,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:14,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:14,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:14,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125482354] [2024-11-07 00:35:14,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125482354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:14,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:14,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:35:14,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052318235] [2024-11-07 00:35:14,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:14,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:14,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:14,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:14,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:14,608 INFO L87 Difference]: Start difference. First operand 654 states and 831 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:15,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:15,492 INFO L93 Difference]: Finished difference Result 1013 states and 1293 transitions. [2024-11-07 00:35:15,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:35:15,493 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-07 00:35:15,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:15,494 INFO L225 Difference]: With dead ends: 1013 [2024-11-07 00:35:15,494 INFO L226 Difference]: Without dead ends: 936 [2024-11-07 00:35:15,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:35:15,495 INFO L432 NwaCegarLoop]: 539 mSDtfsCounter, 3639 mSDsluCounter, 2148 mSDsCounter, 0 mSdLazyCounter, 2010 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3639 SdHoareTripleChecker+Valid, 2687 SdHoareTripleChecker+Invalid, 2017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:15,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3639 Valid, 2687 Invalid, 2017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2010 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 00:35:15,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-07 00:35:15,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 654. [2024-11-07 00:35:15,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 632 states have (on average 1.3132911392405062) internal successors, (830), 653 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) [2024-11-07 00:35:15,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 830 transitions. [2024-11-07 00:35:15,499 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 830 transitions. Word has length 98 [2024-11-07 00:35:15,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:15,499 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 830 transitions. [2024-11-07 00:35:15,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:15,499 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 830 transitions. [2024-11-07 00:35:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 00:35:15,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:15,500 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:35:15,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-07 00:35:15,500 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:35:15,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:15,500 INFO L85 PathProgramCache]: Analyzing trace with hash 326277305, now seen corresponding path program 1 times [2024-11-07 00:35:15,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:15,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778542770] [2024-11-07 00:35:15,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:15,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:15,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:15,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:15,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778542770] [2024-11-07 00:35:15,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778542770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:15,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:15,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 00:35:15,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048514571] [2024-11-07 00:35:15,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:15,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 00:35:15,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:15,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 00:35:15,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:35:15,798 INFO L87 Difference]: Start difference. First operand 654 states and 830 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:17,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:17,091 INFO L93 Difference]: Finished difference Result 1129 states and 1454 transitions. [2024-11-07 00:35:17,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 00:35:17,091 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-07 00:35:17,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:17,093 INFO L225 Difference]: With dead ends: 1129 [2024-11-07 00:35:17,093 INFO L226 Difference]: Without dead ends: 1124 [2024-11-07 00:35:17,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-07 00:35:17,094 INFO L432 NwaCegarLoop]: 532 mSDtfsCounter, 7247 mSDsluCounter, 2314 mSDsCounter, 0 mSdLazyCounter, 2259 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7247 SdHoareTripleChecker+Valid, 2846 SdHoareTripleChecker+Invalid, 2487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 2259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:17,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7247 Valid, 2846 Invalid, 2487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 2259 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 00:35:17,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2024-11-07 00:35:17,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 658. [2024-11-07 00:35:17,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 636 states have (on average 1.3113207547169812) internal successors, (834), 657 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:17,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 834 transitions. [2024-11-07 00:35:17,099 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 834 transitions. Word has length 98 [2024-11-07 00:35:17,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:17,100 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 834 transitions. [2024-11-07 00:35:17,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:17,100 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 834 transitions. [2024-11-07 00:35:17,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 00:35:17,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:17,101 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:35:17,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-07 00:35:17,101 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:35:17,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:17,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1596017491, now seen corresponding path program 1 times [2024-11-07 00:35:17,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:17,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62259855] [2024-11-07 00:35:17,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:17,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:17,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:17,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:17,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62259855] [2024-11-07 00:35:17,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62259855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:17,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:17,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:35:17,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943482459] [2024-11-07 00:35:17,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:17,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:17,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:17,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:17,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:17,300 INFO L87 Difference]: Start difference. First operand 658 states and 834 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:18,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:18,092 INFO L93 Difference]: Finished difference Result 1016 states and 1294 transitions. [2024-11-07 00:35:18,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 00:35:18,093 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-07 00:35:18,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:18,094 INFO L225 Difference]: With dead ends: 1016 [2024-11-07 00:35:18,094 INFO L226 Difference]: Without dead ends: 936 [2024-11-07 00:35:18,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-07 00:35:18,095 INFO L432 NwaCegarLoop]: 537 mSDtfsCounter, 2857 mSDsluCounter, 1919 mSDsCounter, 0 mSdLazyCounter, 1842 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2857 SdHoareTripleChecker+Valid, 2456 SdHoareTripleChecker+Invalid, 1848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:18,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2857 Valid, 2456 Invalid, 1848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1842 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 00:35:18,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-07 00:35:18,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 658. [2024-11-07 00:35:18,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 636 states have (on average 1.309748427672956) internal successors, (833), 657 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:18,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 833 transitions. [2024-11-07 00:35:18,102 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 833 transitions. Word has length 98 [2024-11-07 00:35:18,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:18,102 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 833 transitions. [2024-11-07 00:35:18,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:18,102 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 833 transitions. [2024-11-07 00:35:18,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 00:35:18,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:18,103 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:35:18,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-07 00:35:18,104 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:35:18,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:18,104 INFO L85 PathProgramCache]: Analyzing trace with hash 316179611, now seen corresponding path program 1 times [2024-11-07 00:35:18,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:18,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341755676] [2024-11-07 00:35:18,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:18,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:18,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:18,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:18,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341755676] [2024-11-07 00:35:18,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341755676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:18,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:18,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 00:35:18,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124691295] [2024-11-07 00:35:18,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:18,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 00:35:18,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:18,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 00:35:18,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-07 00:35:18,377 INFO L87 Difference]: Start difference. First operand 658 states and 833 transitions. Second operand has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:19,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 00:35:19,727 INFO L93 Difference]: Finished difference Result 1296 states and 1696 transitions. [2024-11-07 00:35:19,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 00:35:19,727 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-07 00:35:19,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 00:35:19,730 INFO L225 Difference]: With dead ends: 1296 [2024-11-07 00:35:19,730 INFO L226 Difference]: Without dead ends: 1204 [2024-11-07 00:35:19,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-07 00:35:19,731 INFO L432 NwaCegarLoop]: 621 mSDtfsCounter, 5709 mSDsluCounter, 2762 mSDsCounter, 0 mSdLazyCounter, 2534 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5709 SdHoareTripleChecker+Valid, 3383 SdHoareTripleChecker+Invalid, 2738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 2534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 00:35:19,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5709 Valid, 3383 Invalid, 2738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 2534 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 00:35:19,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2024-11-07 00:35:19,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 662. [2024-11-07 00:35:19,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 640 states have (on average 1.3078125) internal successors, (837), 661 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) [2024-11-07 00:35:19,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 837 transitions. [2024-11-07 00:35:19,739 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 837 transitions. Word has length 98 [2024-11-07 00:35:19,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 00:35:19,741 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 837 transitions. [2024-11-07 00:35:19,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.166666666666666) internal successors, (98), 11 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 00:35:19,741 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 837 transitions. [2024-11-07 00:35:19,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-07 00:35:19,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 00:35:19,742 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 00:35:19,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-07 00:35:19,742 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-07 00:35:19,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 00:35:19,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1085915592, now seen corresponding path program 1 times [2024-11-07 00:35:19,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 00:35:19,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949760042] [2024-11-07 00:35:19,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 00:35:19,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 00:35:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 00:35:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 00:35:20,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 00:35:20,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949760042] [2024-11-07 00:35:20,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949760042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 00:35:20,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 00:35:20,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 00:35:20,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672680006] [2024-11-07 00:35:20,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 00:35:20,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 00:35:20,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 00:35:20,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 00:35:20,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 00:35:20,008 INFO L87 Difference]: Start difference. First operand 662 states and 837 transitions. Second operand has 9 states, 9 states have (on average 10.88888888888889) internal successors, (98), 8 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)