/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 01:31:19,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 01:31:19,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 01:31:20,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 01:31:20,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 01:31:20,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 01:31:20,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 01:31:20,071 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Default.epf [2022-01-10 01:31:20,095 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 01:31:20,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 01:31:20,096 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 01:31:20,096 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 01:31:20,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 01:31:20,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 01:31:20,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 01:31:20,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 01:31:20,097 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 01:31:20,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 01:31:20,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 01:31:20,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 01:31:20,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 01:31:20,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 01:31:20,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 01:31:20,098 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 01:31:20,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 01:31:20,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 01:31:20,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 01:31:20,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 01:31:20,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 01:31:20,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:31:20,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 01:31:20,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 01:31:20,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 01:31:20,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 01:31:20,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 01:31:20,099 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 01:31:20,099 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 01:31:20,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 01:31:20,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 01:31:20,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 01:31:20,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 01:31:20,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 01:31:20,299 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 01:31:20,300 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 01:31:20,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-01-10 01:31:20,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d67fa9485/57b95f7f6c0942b690510348730e2219/FLAGe6b4c497d [2022-01-10 01:31:20,969 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 01:31:20,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-01-10 01:31:21,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d67fa9485/57b95f7f6c0942b690510348730e2219/FLAGe6b4c497d [2022-01-10 01:31:21,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d67fa9485/57b95f7f6c0942b690510348730e2219 [2022-01-10 01:31:21,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 01:31:21,394 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 01:31:21,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 01:31:21,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 01:31:21,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 01:31:21,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:31:21" (1/1) ... [2022-01-10 01:31:21,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c8c5ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:21, skipping insertion in model container [2022-01-10 01:31:21,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:31:21" (1/1) ... [2022-01-10 01:31:21,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 01:31:21,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 01:31:22,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32670,32683] [2022-01-10 01:31:22,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[39748,39761] [2022-01-10 01:31:22,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[66949,66962] [2022-01-10 01:31:22,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[76032,76045] [2022-01-10 01:31:22,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[82743,82756] [2022-01-10 01:31:22,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[94707,94720] [2022-01-10 01:31:22,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[103680,103693] [2022-01-10 01:31:22,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[111745,111758] [2022-01-10 01:31:22,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[150437,150450] [2022-01-10 01:31:22,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[153987,154000] [2022-01-10 01:31:22,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[163014,163027] [2022-01-10 01:31:22,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[169687,169700] [2022-01-10 01:31:22,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[195501,195514] [2022-01-10 01:31:22,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[227497,227510] [2022-01-10 01:31:22,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[257825,257838] [2022-01-10 01:31:22,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[288277,288290] [2022-01-10 01:31:22,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[321714,321727] [2022-01-10 01:31:22,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:31:22,775 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 01:31:22,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32670,32683] [2022-01-10 01:31:22,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[39748,39761] [2022-01-10 01:31:22,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[66949,66962] [2022-01-10 01:31:22,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[76032,76045] [2022-01-10 01:31:22,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[82743,82756] [2022-01-10 01:31:22,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[94707,94720] [2022-01-10 01:31:22,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[103680,103693] [2022-01-10 01:31:22,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[111745,111758] [2022-01-10 01:31:22,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[150437,150450] [2022-01-10 01:31:22,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[153987,154000] [2022-01-10 01:31:22,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[163014,163027] [2022-01-10 01:31:22,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[169687,169700] [2022-01-10 01:31:23,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[195501,195514] [2022-01-10 01:31:23,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[227497,227510] [2022-01-10 01:31:23,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[257825,257838] [2022-01-10 01:31:23,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[288277,288290] [2022-01-10 01:31:23,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[321714,321727] [2022-01-10 01:31:23,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 01:31:23,340 INFO L208 MainTranslator]: Completed translation [2022-01-10 01:31:23,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:23 WrapperNode [2022-01-10 01:31:23,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 01:31:23,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 01:31:23,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 01:31:23,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 01:31:23,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:23" (1/1) ... [2022-01-10 01:31:23,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:23" (1/1) ... [2022-01-10 01:31:23,564 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18051 [2022-01-10 01:31:23,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 01:31:23,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 01:31:23,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 01:31:23,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 01:31:23,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:23" (1/1) ... [2022-01-10 01:31:23,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:23" (1/1) ... [2022-01-10 01:31:23,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:23" (1/1) ... [2022-01-10 01:31:23,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:23" (1/1) ... [2022-01-10 01:31:23,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:23" (1/1) ... [2022-01-10 01:31:23,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:23" (1/1) ... [2022-01-10 01:31:23,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:23" (1/1) ... [2022-01-10 01:31:23,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 01:31:23,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 01:31:23,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 01:31:23,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 01:31:23,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:23" (1/1) ... [2022-01-10 01:31:23,831 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 01:31:23,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 01:31:23,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 01:31:23,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 01:31:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 01:31:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-10 01:31:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 01:31:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 01:31:24,351 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 01:31:24,352 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 01:31:28,983 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 01:31:29,005 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 01:31:29,006 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-10 01:31:29,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:31:29 BoogieIcfgContainer [2022-01-10 01:31:29,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 01:31:29,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 01:31:29,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 01:31:29,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 01:31:29,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:31:21" (1/3) ... [2022-01-10 01:31:29,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342a495b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:31:29, skipping insertion in model container [2022-01-10 01:31:29,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:23" (2/3) ... [2022-01-10 01:31:29,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342a495b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:31:29, skipping insertion in model container [2022-01-10 01:31:29,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:31:29" (3/3) ... [2022-01-10 01:31:29,015 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2022-01-10 01:31:29,019 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 01:31:29,019 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-01-10 01:31:29,061 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 01:31:29,067 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 01:31:29,068 INFO L340 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2022-01-10 01:31:29,121 INFO L276 IsEmpty]: Start isEmpty. Operand has 3732 states, 3714 states have (on average 1.7808292945611202) internal successors, (6614), 3731 states have internal predecessors, (6614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:29,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-01-10 01:31:29,147 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:31:29,147 INFO L514 BasicCegarLoop]: 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] [2022-01-10 01:31:29,148 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-01-10 01:31:29,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:31:29,152 INFO L85 PathProgramCache]: Analyzing trace with hash -100733711, now seen corresponding path program 1 times [2022-01-10 01:31:29,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:31:29,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936079307] [2022-01-10 01:31:29,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:31:29,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:31:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:31:29,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:31:29,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:31:29,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936079307] [2022-01-10 01:31:29,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936079307] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:31:29,462 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:31:29,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 01:31:29,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845877909] [2022-01-10 01:31:29,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:31:29,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 01:31:29,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:31:29,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 01:31:29,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 01:31:29,494 INFO L87 Difference]: Start difference. First operand has 3732 states, 3714 states have (on average 1.7808292945611202) internal successors, (6614), 3731 states have internal predecessors, (6614), 0 states have call successors, (0), 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 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:33,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:31:33,041 INFO L93 Difference]: Finished difference Result 7047 states and 12225 transitions. [2022-01-10 01:31:33,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 01:31:33,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-01-10 01:31:33,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:31:33,072 INFO L225 Difference]: With dead ends: 7047 [2022-01-10 01:31:33,072 INFO L226 Difference]: Without dead ends: 4526 [2022-01-10 01:31:33,081 INFO L932 BasicCegarLoop]: 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 [2022-01-10 01:31:33,084 INFO L933 BasicCegarLoop]: 2976 mSDtfsCounter, 20347 mSDsluCounter, 1316 mSDsCounter, 0 mSdLazyCounter, 3550 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20347 SdHoareTripleChecker+Valid, 4292 SdHoareTripleChecker+Invalid, 3835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 3550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-01-10 01:31:33,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20347 Valid, 4292 Invalid, 3835 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [285 Valid, 3550 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-01-10 01:31:33,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4526 states. [2022-01-10 01:31:33,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4526 to 4501. [2022-01-10 01:31:33,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4501 states, 4484 states have (on average 1.300178412132025) internal successors, (5830), 4500 states have internal predecessors, (5830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:33,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4501 states to 4501 states and 5830 transitions. [2022-01-10 01:31:33,267 INFO L78 Accepts]: Start accepts. Automaton has 4501 states and 5830 transitions. Word has length 65 [2022-01-10 01:31:33,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:31:33,268 INFO L470 AbstractCegarLoop]: Abstraction has 4501 states and 5830 transitions. [2022-01-10 01:31:33,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:33,269 INFO L276 IsEmpty]: Start isEmpty. Operand 4501 states and 5830 transitions. [2022-01-10 01:31:33,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-10 01:31:33,277 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:31:33,277 INFO L514 BasicCegarLoop]: 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] [2022-01-10 01:31:33,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 01:31:33,278 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-01-10 01:31:33,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:31:33,280 INFO L85 PathProgramCache]: Analyzing trace with hash 100373679, now seen corresponding path program 1 times [2022-01-10 01:31:33,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:31:33,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220687087] [2022-01-10 01:31:33,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:31:33,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:31:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:31:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:31:33,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:31:33,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220687087] [2022-01-10 01:31:33,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220687087] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:31:33,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:31:33,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 01:31:33,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048005894] [2022-01-10 01:31:33,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:31:33,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 01:31:33,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:31:33,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 01:31:33,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 01:31:33,434 INFO L87 Difference]: Start difference. First operand 4501 states and 5830 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:35,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:31:35,317 INFO L93 Difference]: Finished difference Result 8465 states and 10989 transitions. [2022-01-10 01:31:35,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 01:31:35,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-10 01:31:35,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:31:35,337 INFO L225 Difference]: With dead ends: 8465 [2022-01-10 01:31:35,338 INFO L226 Difference]: Without dead ends: 5686 [2022-01-10 01:31:35,343 INFO L932 BasicCegarLoop]: 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 [2022-01-10 01:31:35,344 INFO L933 BasicCegarLoop]: 1914 mSDtfsCounter, 13225 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 2316 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13225 SdHoareTripleChecker+Valid, 2583 SdHoareTripleChecker+Invalid, 2435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 2316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-10 01:31:35,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13225 Valid, 2583 Invalid, 2435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 2316 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-10 01:31:35,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5686 states. [2022-01-10 01:31:35,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5686 to 5656. [2022-01-10 01:31:35,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5656 states, 5639 states have (on average 1.3060826387657387) internal successors, (7365), 5655 states have internal predecessors, (7365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:35,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5656 states to 5656 states and 7365 transitions. [2022-01-10 01:31:35,522 INFO L78 Accepts]: Start accepts. Automaton has 5656 states and 7365 transitions. Word has length 66 [2022-01-10 01:31:35,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:31:35,523 INFO L470 AbstractCegarLoop]: Abstraction has 5656 states and 7365 transitions. [2022-01-10 01:31:35,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:35,523 INFO L276 IsEmpty]: Start isEmpty. Operand 5656 states and 7365 transitions. [2022-01-10 01:31:35,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-01-10 01:31:35,531 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:31:35,531 INFO L514 BasicCegarLoop]: 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] [2022-01-10 01:31:35,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 01:31:35,532 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-01-10 01:31:35,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:31:35,532 INFO L85 PathProgramCache]: Analyzing trace with hash 2043501231, now seen corresponding path program 1 times [2022-01-10 01:31:35,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:31:35,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228576147] [2022-01-10 01:31:35,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:31:35,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:31:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:31:35,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:31:35,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:31:35,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228576147] [2022-01-10 01:31:35,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228576147] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:31:35,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:31:35,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 01:31:35,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147136965] [2022-01-10 01:31:35,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:31:35,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 01:31:35,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:31:35,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 01:31:35,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 01:31:35,638 INFO L87 Difference]: Start difference. First operand 5656 states and 7365 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:37,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:31:37,441 INFO L93 Difference]: Finished difference Result 11341 states and 14793 transitions. [2022-01-10 01:31:37,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 01:31:37,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-01-10 01:31:37,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:31:37,464 INFO L225 Difference]: With dead ends: 11341 [2022-01-10 01:31:37,465 INFO L226 Difference]: Without dead ends: 7095 [2022-01-10 01:31:37,470 INFO L932 BasicCegarLoop]: 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 [2022-01-10 01:31:37,472 INFO L933 BasicCegarLoop]: 1612 mSDtfsCounter, 11515 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 2075 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11515 SdHoareTripleChecker+Valid, 2246 SdHoareTripleChecker+Invalid, 2168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-10 01:31:37,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11515 Valid, 2246 Invalid, 2168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2075 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-10 01:31:37,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7095 states. [2022-01-10 01:31:37,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7095 to 7075. [2022-01-10 01:31:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7075 states, 7058 states have (on average 1.3085860017001985) internal successors, (9236), 7074 states have internal predecessors, (9236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7075 states to 7075 states and 9236 transitions. [2022-01-10 01:31:37,693 INFO L78 Accepts]: Start accepts. Automaton has 7075 states and 9236 transitions. Word has length 66 [2022-01-10 01:31:37,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:31:37,693 INFO L470 AbstractCegarLoop]: Abstraction has 7075 states and 9236 transitions. [2022-01-10 01:31:37,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:37,693 INFO L276 IsEmpty]: Start isEmpty. Operand 7075 states and 9236 transitions. [2022-01-10 01:31:37,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-01-10 01:31:37,700 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:31:37,700 INFO L514 BasicCegarLoop]: 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] [2022-01-10 01:31:37,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 01:31:37,700 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-01-10 01:31:37,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:31:37,701 INFO L85 PathProgramCache]: Analyzing trace with hash 280890183, now seen corresponding path program 1 times [2022-01-10 01:31:37,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:31:37,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667532020] [2022-01-10 01:31:37,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:31:37,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:31:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:31:37,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:31:37,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:31:37,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667532020] [2022-01-10 01:31:37,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667532020] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:31:37,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:31:37,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 01:31:37,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302656253] [2022-01-10 01:31:37,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:31:37,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 01:31:37,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:31:37,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 01:31:37,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 01:31:37,805 INFO L87 Difference]: Start difference. First operand 7075 states and 9236 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:39,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:31:39,277 INFO L93 Difference]: Finished difference Result 13797 states and 18189 transitions. [2022-01-10 01:31:39,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 01:31:39,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-01-10 01:31:39,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:31:39,305 INFO L225 Difference]: With dead ends: 13797 [2022-01-10 01:31:39,305 INFO L226 Difference]: Without dead ends: 9215 [2022-01-10 01:31:39,314 INFO L932 BasicCegarLoop]: 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 [2022-01-10 01:31:39,315 INFO L933 BasicCegarLoop]: 1470 mSDtfsCounter, 9693 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9693 SdHoareTripleChecker+Valid, 2010 SdHoareTripleChecker+Invalid, 1653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-10 01:31:39,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9693 Valid, 2010 Invalid, 1653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1607 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-10 01:31:39,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9215 states. [2022-01-10 01:31:39,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9215 to 9175. [2022-01-10 01:31:39,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9175 states, 9158 states have (on average 1.3226687049574142) internal successors, (12113), 9174 states have internal predecessors, (12113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:39,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9175 states to 9175 states and 12113 transitions. [2022-01-10 01:31:39,697 INFO L78 Accepts]: Start accepts. Automaton has 9175 states and 12113 transitions. Word has length 67 [2022-01-10 01:31:39,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:31:39,698 INFO L470 AbstractCegarLoop]: Abstraction has 9175 states and 12113 transitions. [2022-01-10 01:31:39,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:39,700 INFO L276 IsEmpty]: Start isEmpty. Operand 9175 states and 12113 transitions. [2022-01-10 01:31:39,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-01-10 01:31:39,705 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:31:39,705 INFO L514 BasicCegarLoop]: 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] [2022-01-10 01:31:39,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 01:31:39,706 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-01-10 01:31:39,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:31:39,706 INFO L85 PathProgramCache]: Analyzing trace with hash 533009189, now seen corresponding path program 1 times [2022-01-10 01:31:39,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:31:39,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426067248] [2022-01-10 01:31:39,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:31:39,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:31:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:31:39,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:31:39,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:31:39,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426067248] [2022-01-10 01:31:39,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426067248] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:31:39,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:31:39,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-01-10 01:31:39,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324867004] [2022-01-10 01:31:39,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:31:39,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 01:31:39,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:31:39,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 01:31:39,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-01-10 01:31:39,855 INFO L87 Difference]: Start difference. First operand 9175 states and 12113 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:42,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:31:42,245 INFO L93 Difference]: Finished difference Result 14418 states and 19726 transitions. [2022-01-10 01:31:42,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 01:31:42,245 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-01-10 01:31:42,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:31:42,278 INFO L225 Difference]: With dead ends: 14418 [2022-01-10 01:31:42,278 INFO L226 Difference]: Without dead ends: 12884 [2022-01-10 01:31:42,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-01-10 01:31:42,288 INFO L933 BasicCegarLoop]: 1533 mSDtfsCounter, 14033 mSDsluCounter, 3623 mSDsCounter, 0 mSdLazyCounter, 4339 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14033 SdHoareTripleChecker+Valid, 5156 SdHoareTripleChecker+Invalid, 4475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 4339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-10 01:31:42,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14033 Valid, 5156 Invalid, 4475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 4339 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-10 01:31:42,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12884 states. [2022-01-10 01:31:42,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12884 to 9015. [2022-01-10 01:31:42,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9015 states, 8998 states have (on average 1.3220715714603246) internal successors, (11896), 9014 states have internal predecessors, (11896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:42,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9015 states to 9015 states and 11896 transitions. [2022-01-10 01:31:42,731 INFO L78 Accepts]: Start accepts. Automaton has 9015 states and 11896 transitions. Word has length 68 [2022-01-10 01:31:42,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:31:42,731 INFO L470 AbstractCegarLoop]: Abstraction has 9015 states and 11896 transitions. [2022-01-10 01:31:42,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:42,731 INFO L276 IsEmpty]: Start isEmpty. Operand 9015 states and 11896 transitions. [2022-01-10 01:31:42,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-01-10 01:31:42,737 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:31:42,737 INFO L514 BasicCegarLoop]: 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] [2022-01-10 01:31:42,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 01:31:42,737 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-01-10 01:31:42,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:31:42,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1802238869, now seen corresponding path program 1 times [2022-01-10 01:31:42,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:31:42,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57286165] [2022-01-10 01:31:42,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:31:42,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:31:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:31:42,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:31:42,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:31:42,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57286165] [2022-01-10 01:31:42,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57286165] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:31:42,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:31:42,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 01:31:42,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706487167] [2022-01-10 01:31:42,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:31:42,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 01:31:42,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:31:42,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 01:31:42,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-10 01:31:42,894 INFO L87 Difference]: Start difference. First operand 9015 states and 11896 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:46,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:31:46,837 INFO L93 Difference]: Finished difference Result 17830 states and 24364 transitions. [2022-01-10 01:31:46,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-10 01:31:46,837 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-01-10 01:31:46,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:31:46,867 INFO L225 Difference]: With dead ends: 17830 [2022-01-10 01:31:46,867 INFO L226 Difference]: Without dead ends: 16418 [2022-01-10 01:31:46,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2022-01-10 01:31:46,875 INFO L933 BasicCegarLoop]: 1566 mSDtfsCounter, 12111 mSDsluCounter, 7029 mSDsCounter, 0 mSdLazyCounter, 8564 mSolverCounterSat, 359 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12111 SdHoareTripleChecker+Valid, 8595 SdHoareTripleChecker+Invalid, 8923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 359 IncrementalHoareTripleChecker+Valid, 8564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-01-10 01:31:46,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12111 Valid, 8595 Invalid, 8923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [359 Valid, 8564 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-01-10 01:31:46,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16418 states. [2022-01-10 01:31:47,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16418 to 8953. [2022-01-10 01:31:47,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8953 states, 8936 states have (on average 1.3217323187108325) internal successors, (11811), 8952 states have internal predecessors, (11811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:47,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8953 states to 8953 states and 11811 transitions. [2022-01-10 01:31:47,359 INFO L78 Accepts]: Start accepts. Automaton has 8953 states and 11811 transitions. Word has length 68 [2022-01-10 01:31:47,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:31:47,360 INFO L470 AbstractCegarLoop]: Abstraction has 8953 states and 11811 transitions. [2022-01-10 01:31:47,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:47,360 INFO L276 IsEmpty]: Start isEmpty. Operand 8953 states and 11811 transitions. [2022-01-10 01:31:47,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-01-10 01:31:47,366 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:31:47,366 INFO L514 BasicCegarLoop]: 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] [2022-01-10 01:31:47,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 01:31:47,366 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-01-10 01:31:47,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:31:47,366 INFO L85 PathProgramCache]: Analyzing trace with hash 2141707383, now seen corresponding path program 1 times [2022-01-10 01:31:47,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:31:47,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218834640] [2022-01-10 01:31:47,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:31:47,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:31:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:31:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:31:47,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:31:47,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218834640] [2022-01-10 01:31:47,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218834640] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:31:47,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:31:47,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-01-10 01:31:47,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488337833] [2022-01-10 01:31:47,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:31:47,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-10 01:31:47,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:31:47,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-10 01:31:47,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-01-10 01:31:47,718 INFO L87 Difference]: Start difference. First operand 8953 states and 11811 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:51,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:31:51,496 INFO L93 Difference]: Finished difference Result 20886 states and 29227 transitions. [2022-01-10 01:31:51,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-01-10 01:31:51,496 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-01-10 01:31:51,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:31:51,548 INFO L225 Difference]: With dead ends: 20886 [2022-01-10 01:31:51,549 INFO L226 Difference]: Without dead ends: 20882 [2022-01-10 01:31:51,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=221, Invalid=771, Unknown=0, NotChecked=0, Total=992 [2022-01-10 01:31:51,553 INFO L933 BasicCegarLoop]: 2713 mSDtfsCounter, 20699 mSDsluCounter, 19377 mSDsCounter, 0 mSdLazyCounter, 2989 mSolverCounterSat, 358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20699 SdHoareTripleChecker+Valid, 22090 SdHoareTripleChecker+Invalid, 3347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 358 IncrementalHoareTripleChecker+Valid, 2989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-10 01:31:51,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20699 Valid, 22090 Invalid, 3347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [358 Valid, 2989 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-10 01:31:51,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20882 states. [2022-01-10 01:31:52,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20882 to 8949. [2022-01-10 01:31:52,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8949 states, 8933 states have (on average 1.3217284227023396) internal successors, (11807), 8948 states have internal predecessors, (11807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:52,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8949 states to 8949 states and 11807 transitions. [2022-01-10 01:31:52,233 INFO L78 Accepts]: Start accepts. Automaton has 8949 states and 11807 transitions. Word has length 69 [2022-01-10 01:31:52,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:31:52,233 INFO L470 AbstractCegarLoop]: Abstraction has 8949 states and 11807 transitions. [2022-01-10 01:31:52,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 13 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:52,233 INFO L276 IsEmpty]: Start isEmpty. Operand 8949 states and 11807 transitions. [2022-01-10 01:31:52,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-01-10 01:31:52,238 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:31:52,238 INFO L514 BasicCegarLoop]: 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] [2022-01-10 01:31:52,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 01:31:52,238 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-01-10 01:31:52,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:31:52,238 INFO L85 PathProgramCache]: Analyzing trace with hash -50233035, now seen corresponding path program 1 times [2022-01-10 01:31:52,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:31:52,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848446749] [2022-01-10 01:31:52,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:31:52,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:31:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:31:52,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:31:52,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:31:52,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848446749] [2022-01-10 01:31:52,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848446749] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:31:52,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:31:52,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 01:31:52,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253297844] [2022-01-10 01:31:52,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:31:52,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 01:31:52,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:31:52,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 01:31:52,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-10 01:31:52,341 INFO L87 Difference]: Start difference. First operand 8949 states and 11807 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:55,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:31:55,028 INFO L93 Difference]: Finished difference Result 10536 states and 13952 transitions. [2022-01-10 01:31:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-10 01:31:55,029 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-01-10 01:31:55,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:31:55,041 INFO L225 Difference]: With dead ends: 10536 [2022-01-10 01:31:55,042 INFO L226 Difference]: Without dead ends: 10530 [2022-01-10 01:31:55,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2022-01-10 01:31:55,044 INFO L933 BasicCegarLoop]: 1475 mSDtfsCounter, 13448 mSDsluCounter, 4750 mSDsCounter, 0 mSdLazyCounter, 5080 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13448 SdHoareTripleChecker+Valid, 6225 SdHoareTripleChecker+Invalid, 5332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 5080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-10 01:31:55,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13448 Valid, 6225 Invalid, 5332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 5080 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-10 01:31:55,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10530 states. [2022-01-10 01:31:55,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10530 to 8949. [2022-01-10 01:31:55,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8949 states, 8933 states have (on average 1.3216164782267996) internal successors, (11806), 8948 states have internal predecessors, (11806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:55,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8949 states to 8949 states and 11806 transitions. [2022-01-10 01:31:55,685 INFO L78 Accepts]: Start accepts. Automaton has 8949 states and 11806 transitions. Word has length 69 [2022-01-10 01:31:55,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:31:55,685 INFO L470 AbstractCegarLoop]: Abstraction has 8949 states and 11806 transitions. [2022-01-10 01:31:55,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:55,685 INFO L276 IsEmpty]: Start isEmpty. Operand 8949 states and 11806 transitions. [2022-01-10 01:31:55,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-01-10 01:31:55,690 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:31:55,690 INFO L514 BasicCegarLoop]: 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] [2022-01-10 01:31:55,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 01:31:55,690 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-01-10 01:31:55,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:31:55,691 INFO L85 PathProgramCache]: Analyzing trace with hash 487125926, now seen corresponding path program 1 times [2022-01-10 01:31:55,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:31:55,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626806510] [2022-01-10 01:31:55,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:31:55,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:31:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:31:55,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:31:55,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:31:55,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626806510] [2022-01-10 01:31:55,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626806510] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:31:55,787 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:31:55,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 01:31:55,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751621436] [2022-01-10 01:31:55,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:31:55,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 01:31:55,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:31:55,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 01:31:55,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-10 01:31:55,788 INFO L87 Difference]: Start difference. First operand 8949 states and 11806 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:58,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:31:58,978 INFO L93 Difference]: Finished difference Result 11316 states and 14888 transitions. [2022-01-10 01:31:58,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-10 01:31:58,978 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-01-10 01:31:58,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:31:58,991 INFO L225 Difference]: With dead ends: 11316 [2022-01-10 01:31:58,991 INFO L226 Difference]: Without dead ends: 11307 [2022-01-10 01:31:58,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2022-01-10 01:31:58,993 INFO L933 BasicCegarLoop]: 1437 mSDtfsCounter, 13776 mSDsluCounter, 4650 mSDsCounter, 0 mSdLazyCounter, 5384 mSolverCounterSat, 349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13776 SdHoareTripleChecker+Valid, 6087 SdHoareTripleChecker+Invalid, 5733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 349 IncrementalHoareTripleChecker+Valid, 5384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-01-10 01:31:58,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13776 Valid, 6087 Invalid, 5733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [349 Valid, 5384 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-01-10 01:31:58,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11307 states. [2022-01-10 01:31:59,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11307 to 8949. [2022-01-10 01:31:59,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8949 states, 8933 states have (on average 1.3215045337512594) internal successors, (11805), 8948 states have internal predecessors, (11805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:59,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8949 states to 8949 states and 11805 transitions. [2022-01-10 01:31:59,669 INFO L78 Accepts]: Start accepts. Automaton has 8949 states and 11805 transitions. Word has length 69 [2022-01-10 01:31:59,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:31:59,669 INFO L470 AbstractCegarLoop]: Abstraction has 8949 states and 11805 transitions. [2022-01-10 01:31:59,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:31:59,669 INFO L276 IsEmpty]: Start isEmpty. Operand 8949 states and 11805 transitions. [2022-01-10 01:31:59,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-01-10 01:31:59,674 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:31:59,674 INFO L514 BasicCegarLoop]: 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] [2022-01-10 01:31:59,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 01:31:59,675 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-01-10 01:31:59,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:31:59,675 INFO L85 PathProgramCache]: Analyzing trace with hash -465119641, now seen corresponding path program 1 times [2022-01-10 01:31:59,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:31:59,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517790087] [2022-01-10 01:31:59,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:31:59,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:31:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:31:59,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:31:59,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:31:59,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517790087] [2022-01-10 01:31:59,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517790087] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:31:59,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:31:59,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-10 01:31:59,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116351703] [2022-01-10 01:31:59,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:31:59,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-10 01:31:59,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:31:59,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-10 01:31:59,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-01-10 01:31:59,939 INFO L87 Difference]: Start difference. First operand 8949 states and 11805 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:32:04,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:32:04,978 INFO L93 Difference]: Finished difference Result 24532 states and 34391 transitions. [2022-01-10 01:32:04,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-01-10 01:32:04,978 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-01-10 01:32:04,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:32:05,011 INFO L225 Difference]: With dead ends: 24532 [2022-01-10 01:32:05,011 INFO L226 Difference]: Without dead ends: 23117 [2022-01-10 01:32:05,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=270, Invalid=660, Unknown=0, NotChecked=0, Total=930 [2022-01-10 01:32:05,021 INFO L933 BasicCegarLoop]: 2514 mSDtfsCounter, 19541 mSDsluCounter, 9155 mSDsCounter, 0 mSdLazyCounter, 2757 mSolverCounterSat, 387 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19541 SdHoareTripleChecker+Valid, 11669 SdHoareTripleChecker+Invalid, 3144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 387 IncrementalHoareTripleChecker+Valid, 2757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-10 01:32:05,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19541 Valid, 11669 Invalid, 3144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [387 Valid, 2757 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-10 01:32:05,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23117 states. [2022-01-10 01:32:06,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23117 to 8880. [2022-01-10 01:32:06,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8880 states, 8865 states have (on average 1.321376198533559) internal successors, (11714), 8879 states have internal predecessors, (11714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:32:06,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8880 states to 8880 states and 11714 transitions. [2022-01-10 01:32:06,040 INFO L78 Accepts]: Start accepts. Automaton has 8880 states and 11714 transitions. Word has length 69 [2022-01-10 01:32:06,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:32:06,040 INFO L470 AbstractCegarLoop]: Abstraction has 8880 states and 11714 transitions. [2022-01-10 01:32:06,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:32:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand 8880 states and 11714 transitions. [2022-01-10 01:32:06,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-01-10 01:32:06,046 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:32:06,046 INFO L514 BasicCegarLoop]: 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] [2022-01-10 01:32:06,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 01:32:06,047 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-01-10 01:32:06,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:32:06,047 INFO L85 PathProgramCache]: Analyzing trace with hash 215127807, now seen corresponding path program 1 times [2022-01-10 01:32:06,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:32:06,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347446788] [2022-01-10 01:32:06,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:32:06,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:32:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:32:06,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:32:06,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:32:06,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347446788] [2022-01-10 01:32:06,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347446788] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:32:06,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:32:06,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-10 01:32:06,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752072123] [2022-01-10 01:32:06,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:32:06,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-10 01:32:06,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:32:06,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-10 01:32:06,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-01-10 01:32:06,281 INFO L87 Difference]: Start difference. First operand 8880 states and 11714 transitions. Second operand has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:32:12,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:32:12,880 INFO L93 Difference]: Finished difference Result 25460 states and 35982 transitions. [2022-01-10 01:32:12,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-01-10 01:32:12,880 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-01-10 01:32:12,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:32:12,933 INFO L225 Difference]: With dead ends: 25460 [2022-01-10 01:32:12,934 INFO L226 Difference]: Without dead ends: 23881 [2022-01-10 01:32:12,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=263, Invalid=667, Unknown=0, NotChecked=0, Total=930 [2022-01-10 01:32:12,941 INFO L933 BasicCegarLoop]: 3033 mSDtfsCounter, 14262 mSDsluCounter, 17524 mSDsCounter, 0 mSdLazyCounter, 4527 mSolverCounterSat, 376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14262 SdHoareTripleChecker+Valid, 20557 SdHoareTripleChecker+Invalid, 4903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 376 IncrementalHoareTripleChecker+Valid, 4527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-10 01:32:12,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14262 Valid, 20557 Invalid, 4903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [376 Valid, 4527 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-10 01:32:12,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23881 states. [2022-01-10 01:32:14,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23881 to 8647. [2022-01-10 01:32:14,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8647 states, 8633 states have (on average 1.3191242905131473) internal successors, (11388), 8646 states have internal predecessors, (11388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:32:14,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8647 states to 8647 states and 11388 transitions. [2022-01-10 01:32:14,166 INFO L78 Accepts]: Start accepts. Automaton has 8647 states and 11388 transitions. Word has length 70 [2022-01-10 01:32:14,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:32:14,166 INFO L470 AbstractCegarLoop]: Abstraction has 8647 states and 11388 transitions. [2022-01-10 01:32:14,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:32:14,166 INFO L276 IsEmpty]: Start isEmpty. Operand 8647 states and 11388 transitions. [2022-01-10 01:32:14,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-01-10 01:32:14,171 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:32:14,171 INFO L514 BasicCegarLoop]: 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] [2022-01-10 01:32:14,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 01:32:14,172 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-01-10 01:32:14,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:32:14,172 INFO L85 PathProgramCache]: Analyzing trace with hash 502084112, now seen corresponding path program 1 times [2022-01-10 01:32:14,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:32:14,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301172575] [2022-01-10 01:32:14,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:32:14,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:32:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:32:14,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:32:14,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:32:14,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301172575] [2022-01-10 01:32:14,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301172575] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:32:14,448 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:32:14,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-01-10 01:32:14,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011551873] [2022-01-10 01:32:14,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:32:14,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-10 01:32:14,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:32:14,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-10 01:32:14,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-01-10 01:32:14,450 INFO L87 Difference]: Start difference. First operand 8647 states and 11388 transitions. Second operand has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:32:20,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:32:20,565 INFO L93 Difference]: Finished difference Result 19804 states and 27582 transitions. [2022-01-10 01:32:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-10 01:32:20,566 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-01-10 01:32:20,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:32:20,588 INFO L225 Difference]: With dead ends: 19804 [2022-01-10 01:32:20,589 INFO L226 Difference]: Without dead ends: 19792 [2022-01-10 01:32:20,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600 [2022-01-10 01:32:20,592 INFO L933 BasicCegarLoop]: 2618 mSDtfsCounter, 16828 mSDsluCounter, 12555 mSDsCounter, 0 mSdLazyCounter, 3354 mSolverCounterSat, 465 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16828 SdHoareTripleChecker+Valid, 15173 SdHoareTripleChecker+Invalid, 3819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 465 IncrementalHoareTripleChecker+Valid, 3354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-10 01:32:20,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16828 Valid, 15173 Invalid, 3819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [465 Valid, 3354 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-10 01:32:20,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19792 states. [2022-01-10 01:32:21,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19792 to 8640. [2022-01-10 01:32:21,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8640 states, 8626 states have (on average 1.3192673313239045) internal successors, (11380), 8639 states have internal predecessors, (11380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:32:21,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8640 states to 8640 states and 11380 transitions. [2022-01-10 01:32:21,802 INFO L78 Accepts]: Start accepts. Automaton has 8640 states and 11380 transitions. Word has length 70 [2022-01-10 01:32:21,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:32:21,803 INFO L470 AbstractCegarLoop]: Abstraction has 8640 states and 11380 transitions. [2022-01-10 01:32:21,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:32:21,803 INFO L276 IsEmpty]: Start isEmpty. Operand 8640 states and 11380 transitions. [2022-01-10 01:32:21,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-01-10 01:32:21,808 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:32:21,809 INFO L514 BasicCegarLoop]: 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] [2022-01-10 01:32:21,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-10 01:32:21,809 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-01-10 01:32:21,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:32:21,809 INFO L85 PathProgramCache]: Analyzing trace with hash -683220265, now seen corresponding path program 1 times [2022-01-10 01:32:21,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:32:21,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366013046] [2022-01-10 01:32:21,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:32:21,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:32:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:32:21,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:32:21,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:32:21,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366013046] [2022-01-10 01:32:21,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366013046] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:32:21,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:32:21,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 01:32:21,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705120386] [2022-01-10 01:32:21,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:32:21,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 01:32:21,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:32:21,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 01:32:21,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 01:32:21,907 INFO L87 Difference]: Start difference. First operand 8640 states and 11380 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:32:23,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 01:32:23,292 INFO L93 Difference]: Finished difference Result 12575 states and 16886 transitions. [2022-01-10 01:32:23,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 01:32:23,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-01-10 01:32:23,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 01:32:23,301 INFO L225 Difference]: With dead ends: 12575 [2022-01-10 01:32:23,301 INFO L226 Difference]: Without dead ends: 7653 [2022-01-10 01:32:23,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 01:32:23,313 INFO L933 BasicCegarLoop]: 1950 mSDtfsCounter, 1923 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1923 SdHoareTripleChecker+Valid, 2623 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 01:32:23,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1923 Valid, 2623 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 01:32:23,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7653 states. [2022-01-10 01:32:24,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7653 to 7634. [2022-01-10 01:32:24,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7634 states, 7624 states have (on average 1.3374868835257083) internal successors, (10197), 7633 states have internal predecessors, (10197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:32:24,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7634 states to 7634 states and 10197 transitions. [2022-01-10 01:32:24,546 INFO L78 Accepts]: Start accepts. Automaton has 7634 states and 10197 transitions. Word has length 70 [2022-01-10 01:32:24,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 01:32:24,546 INFO L470 AbstractCegarLoop]: Abstraction has 7634 states and 10197 transitions. [2022-01-10 01:32:24,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 01:32:24,547 INFO L276 IsEmpty]: Start isEmpty. Operand 7634 states and 10197 transitions. [2022-01-10 01:32:24,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-01-10 01:32:24,552 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 01:32:24,552 INFO L514 BasicCegarLoop]: 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] [2022-01-10 01:32:24,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-10 01:32:24,553 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2022-01-10 01:32:24,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 01:32:24,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1404122129, now seen corresponding path program 1 times [2022-01-10 01:32:24,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 01:32:24,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747860250] [2022-01-10 01:32:24,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 01:32:24,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 01:32:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 01:32:24,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 01:32:24,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 01:32:24,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747860250] [2022-01-10 01:32:24,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747860250] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 01:32:24,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 01:32:24,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 01:32:24,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785992215] [2022-01-10 01:32:24,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 01:32:24,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-10 01:32:24,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 01:32:24,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-10 01:32:24,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-01-10 01:32:24,651 INFO L87 Difference]: Start difference. First operand 7634 states and 10197 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)