/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:47:42,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:47:42,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:47:42,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:47:42,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:47:42,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:47:42,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:47:42,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:47:42,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:47:42,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:47:42,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:47:42,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:47:42,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:47:42,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:47:42,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:47:42,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:47:42,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:47:42,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:47:42,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:47:42,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:47:42,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:47:42,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:47:42,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:47:42,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:47:42,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 06:47:42,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:47:42,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:47:42,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:47:42,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:47:42,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:47:42,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:47:42,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:47:42,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:47:42,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:47:42,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:47:42,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:47:42,954 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:47:43,005 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:47:43,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:47:43,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:47:43,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:47:43,008 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:47:43,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:47:43,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:47:43,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:47:43,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:47:43,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:47:43,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:47:43,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:47:43,009 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:47:43,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:47:43,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:47:43,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:47:43,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:47:43,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:47:43,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:47:43,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:47:43,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:47:43,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:47:43,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:47:43,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:47:43,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:47:43,012 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:47:43,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:47:43,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:47:43,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:47:43,516 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:47:43,517 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:47:43,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c [2020-12-22 06:47:43,601 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c73a2f79c/47d905ca1df447be83a7595b77d9d24e/FLAGafa9d5c64 [2020-12-22 06:47:44,431 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:47:44,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c [2020-12-22 06:47:44,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c73a2f79c/47d905ca1df447be83a7595b77d9d24e/FLAGafa9d5c64 [2020-12-22 06:47:44,599 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c73a2f79c/47d905ca1df447be83a7595b77d9d24e [2020-12-22 06:47:44,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:47:44,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:47:44,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:47:44,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:47:44,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:47:44,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:47:44" (1/1) ... [2020-12-22 06:47:44,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a22de07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:47:44, skipping insertion in model container [2020-12-22 06:47:44,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:47:44" (1/1) ... [2020-12-22 06:47:44,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:47:44,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:47:45,537 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c[72946,72959] [2020-12-22 06:47:45,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:47:45,555 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:47:45,721 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_productSimulator.cil.c[72946,72959] [2020-12-22 06:47:45,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:47:45,961 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:47:45,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:47:45 WrapperNode [2020-12-22 06:47:45,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:47:45,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:47:45,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:47:45,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:47:45,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:47:45" (1/1) ... [2020-12-22 06:47:46,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:47:45" (1/1) ... [2020-12-22 06:47:54,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:47:54,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:47:54,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:47:54,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:47:54,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:47:45" (1/1) ... [2020-12-22 06:47:54,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:47:45" (1/1) ... [2020-12-22 06:47:55,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:47:45" (1/1) ... [2020-12-22 06:47:55,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:47:45" (1/1) ... [2020-12-22 06:47:57,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:47:45" (1/1) ... [2020-12-22 06:47:58,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:47:45" (1/1) ... [2020-12-22 06:47:58,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:47:45" (1/1) ... [2020-12-22 06:47:59,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:47:59,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:47:59,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:47:59,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:47:59,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:47:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:47:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-22 06:47:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:47:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:47:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:47:59,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:49:02,729 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:49:02,729 INFO L299 CfgBuilder]: Removed 35931 assume(true) statements. [2020-12-22 06:49:02,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:49:02 BoogieIcfgContainer [2020-12-22 06:49:02,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:49:02,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:49:02,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:49:02,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:49:02,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:47:44" (1/3) ... [2020-12-22 06:49:02,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@501bbd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:49:02, skipping insertion in model container [2020-12-22 06:49:02,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:47:45" (2/3) ... [2020-12-22 06:49:02,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@501bbd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:49:02, skipping insertion in model container [2020-12-22 06:49:02,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:49:02" (3/3) ... [2020-12-22 06:49:02,776 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_productSimulator.cil.c [2020-12-22 06:49:02,781 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:49:02,793 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 32 error locations. [2020-12-22 06:49:02,811 INFO L253 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2020-12-22 06:49:02,970 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:49:02,970 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:49:02,970 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:49:02,970 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:49:02,971 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:49:02,971 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:49:02,971 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:49:02,971 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:49:03,369 INFO L276 IsEmpty]: Start isEmpty. Operand 34804 states. [2020-12-22 06:49:03,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-22 06:49:03,385 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:03,386 INFO L422 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] [2020-12-22 06:49:03,387 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:03,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:03,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1697074719, now seen corresponding path program 1 times [2020-12-22 06:49:03,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:03,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794462588] [2020-12-22 06:49:03,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:04,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794462588] [2020-12-22 06:49:04,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:04,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:49:04,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125948905] [2020-12-22 06:49:04,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:49:04,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:04,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:49:04,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:49:04,279 INFO L87 Difference]: Start difference. First operand 34804 states. Second operand 2 states. [2020-12-22 06:49:05,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:05,707 INFO L93 Difference]: Finished difference Result 69273 states and 111250 transitions. [2020-12-22 06:49:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:49:05,709 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-12-22 06:49:05,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:05,881 INFO L225 Difference]: With dead ends: 69273 [2020-12-22 06:49:05,881 INFO L226 Difference]: Without dead ends: 22248 [2020-12-22 06:49:05,965 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:49:06,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22248 states. [2020-12-22 06:49:06,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22248 to 22248. [2020-12-22 06:49:06,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22248 states. [2020-12-22 06:49:06,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22248 states to 22248 states and 35768 transitions. [2020-12-22 06:49:06,673 INFO L78 Accepts]: Start accepts. Automaton has 22248 states and 35768 transitions. Word has length 46 [2020-12-22 06:49:06,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:06,674 INFO L481 AbstractCegarLoop]: Abstraction has 22248 states and 35768 transitions. [2020-12-22 06:49:06,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:49:06,674 INFO L276 IsEmpty]: Start isEmpty. Operand 22248 states and 35768 transitions. [2020-12-22 06:49:06,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-22 06:49:06,685 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:06,687 INFO L422 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] [2020-12-22 06:49:06,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:49:06,688 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:06,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:06,691 INFO L82 PathProgramCache]: Analyzing trace with hash -318394746, now seen corresponding path program 1 times [2020-12-22 06:49:06,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:06,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747883908] [2020-12-22 06:49:06,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:07,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:07,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747883908] [2020-12-22 06:49:07,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:07,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:49:07,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439757026] [2020-12-22 06:49:07,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:49:07,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:07,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:49:07,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:49:07,171 INFO L87 Difference]: Start difference. First operand 22248 states and 35768 transitions. Second operand 5 states. [2020-12-22 06:49:08,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:08,196 INFO L93 Difference]: Finished difference Result 44471 states and 71498 transitions. [2020-12-22 06:49:08,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:49:08,198 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-12-22 06:49:08,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:08,293 INFO L225 Difference]: With dead ends: 44471 [2020-12-22 06:49:08,293 INFO L226 Difference]: Without dead ends: 22248 [2020-12-22 06:49:08,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:49:08,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22248 states. [2020-12-22 06:49:09,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22248 to 22248. [2020-12-22 06:49:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22248 states. [2020-12-22 06:49:09,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22248 states to 22248 states and 35761 transitions. [2020-12-22 06:49:09,103 INFO L78 Accepts]: Start accepts. Automaton has 22248 states and 35761 transitions. Word has length 47 [2020-12-22 06:49:09,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:09,104 INFO L481 AbstractCegarLoop]: Abstraction has 22248 states and 35761 transitions. [2020-12-22 06:49:09,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:49:09,104 INFO L276 IsEmpty]: Start isEmpty. Operand 22248 states and 35761 transitions. [2020-12-22 06:49:09,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-22 06:49:09,109 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:09,109 INFO L422 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] [2020-12-22 06:49:09,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:49:09,111 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:09,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:09,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1620115276, now seen corresponding path program 1 times [2020-12-22 06:49:09,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:09,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237930624] [2020-12-22 06:49:09,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:09,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:09,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237930624] [2020-12-22 06:49:09,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:09,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:49:09,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399477341] [2020-12-22 06:49:09,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:49:09,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:09,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:49:09,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:49:09,266 INFO L87 Difference]: Start difference. First operand 22248 states and 35761 transitions. Second operand 3 states. [2020-12-22 06:49:10,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:10,726 INFO L93 Difference]: Finished difference Result 30738 states and 49757 transitions. [2020-12-22 06:49:10,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:49:10,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-22 06:49:10,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:10,753 INFO L225 Difference]: With dead ends: 30738 [2020-12-22 06:49:10,754 INFO L226 Difference]: Without dead ends: 8504 [2020-12-22 06:49:10,801 INFO L677 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 [2020-12-22 06:49:10,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8504 states. [2020-12-22 06:49:10,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8504 to 8504. [2020-12-22 06:49:10,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8504 states. [2020-12-22 06:49:11,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8504 states to 8504 states and 13653 transitions. [2020-12-22 06:49:11,178 INFO L78 Accepts]: Start accepts. Automaton has 8504 states and 13653 transitions. Word has length 52 [2020-12-22 06:49:11,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:11,185 INFO L481 AbstractCegarLoop]: Abstraction has 8504 states and 13653 transitions. [2020-12-22 06:49:11,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:49:11,185 INFO L276 IsEmpty]: Start isEmpty. Operand 8504 states and 13653 transitions. [2020-12-22 06:49:11,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-22 06:49:11,189 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:11,189 INFO L422 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] [2020-12-22 06:49:11,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:49:11,189 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:11,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:11,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1260272636, now seen corresponding path program 1 times [2020-12-22 06:49:11,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:11,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721431339] [2020-12-22 06:49:11,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:11,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:11,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721431339] [2020-12-22 06:49:11,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:11,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:49:11,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343276770] [2020-12-22 06:49:11,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:49:11,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:11,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:49:11,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:49:11,311 INFO L87 Difference]: Start difference. First operand 8504 states and 13653 transitions. Second operand 3 states. [2020-12-22 06:49:11,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:11,636 INFO L93 Difference]: Finished difference Result 13442 states and 21669 transitions. [2020-12-22 06:49:11,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:49:11,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-12-22 06:49:11,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:11,650 INFO L225 Difference]: With dead ends: 13442 [2020-12-22 06:49:11,651 INFO L226 Difference]: Without dead ends: 4954 [2020-12-22 06:49:11,665 INFO L677 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 [2020-12-22 06:49:11,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4954 states. [2020-12-22 06:49:11,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4954 to 4954. [2020-12-22 06:49:11,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4954 states. [2020-12-22 06:49:11,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4954 states to 4954 states and 8022 transitions. [2020-12-22 06:49:11,821 INFO L78 Accepts]: Start accepts. Automaton has 4954 states and 8022 transitions. Word has length 61 [2020-12-22 06:49:11,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:11,823 INFO L481 AbstractCegarLoop]: Abstraction has 4954 states and 8022 transitions. [2020-12-22 06:49:11,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:49:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 4954 states and 8022 transitions. [2020-12-22 06:49:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-22 06:49:11,827 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:11,827 INFO L422 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] [2020-12-22 06:49:11,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:49:11,828 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:11,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:11,828 INFO L82 PathProgramCache]: Analyzing trace with hash -13876731, now seen corresponding path program 1 times [2020-12-22 06:49:11,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:11,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753608286] [2020-12-22 06:49:11,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:11,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:11,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753608286] [2020-12-22 06:49:11,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:11,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:49:11,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246791871] [2020-12-22 06:49:11,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:49:11,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:11,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:49:11,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:49:11,972 INFO L87 Difference]: Start difference. First operand 4954 states and 8022 transitions. Second operand 3 states. [2020-12-22 06:49:12,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:12,253 INFO L93 Difference]: Finished difference Result 9863 states and 15980 transitions. [2020-12-22 06:49:12,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:49:12,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-22 06:49:12,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:12,267 INFO L225 Difference]: With dead ends: 9863 [2020-12-22 06:49:12,267 INFO L226 Difference]: Without dead ends: 4945 [2020-12-22 06:49:12,276 INFO L677 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 [2020-12-22 06:49:12,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4945 states. [2020-12-22 06:49:12,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4945 to 4945. [2020-12-22 06:49:12,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4945 states. [2020-12-22 06:49:12,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4945 states to 4945 states and 7993 transitions. [2020-12-22 06:49:12,570 INFO L78 Accepts]: Start accepts. Automaton has 4945 states and 7993 transitions. Word has length 62 [2020-12-22 06:49:12,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:12,571 INFO L481 AbstractCegarLoop]: Abstraction has 4945 states and 7993 transitions. [2020-12-22 06:49:12,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:49:12,571 INFO L276 IsEmpty]: Start isEmpty. Operand 4945 states and 7993 transitions. [2020-12-22 06:49:12,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-22 06:49:12,573 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:12,573 INFO L422 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] [2020-12-22 06:49:12,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:49:12,573 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:12,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:12,574 INFO L82 PathProgramCache]: Analyzing trace with hash -840846622, now seen corresponding path program 1 times [2020-12-22 06:49:12,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:12,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675085316] [2020-12-22 06:49:12,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:12,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:12,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675085316] [2020-12-22 06:49:12,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:12,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:49:12,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712703068] [2020-12-22 06:49:12,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:49:12,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:12,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:49:12,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:49:12,682 INFO L87 Difference]: Start difference. First operand 4945 states and 7993 transitions. Second operand 4 states. [2020-12-22 06:49:13,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:13,189 INFO L93 Difference]: Finished difference Result 14750 states and 23867 transitions. [2020-12-22 06:49:13,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:49:13,190 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 68 [2020-12-22 06:49:13,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:13,220 INFO L225 Difference]: With dead ends: 14750 [2020-12-22 06:49:13,221 INFO L226 Difference]: Without dead ends: 9845 [2020-12-22 06:49:13,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:49:13,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9845 states. [2020-12-22 06:49:13,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9845 to 4944. [2020-12-22 06:49:13,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4944 states. [2020-12-22 06:49:13,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4944 states to 4944 states and 7989 transitions. [2020-12-22 06:49:13,478 INFO L78 Accepts]: Start accepts. Automaton has 4944 states and 7989 transitions. Word has length 68 [2020-12-22 06:49:13,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:13,479 INFO L481 AbstractCegarLoop]: Abstraction has 4944 states and 7989 transitions. [2020-12-22 06:49:13,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:49:13,479 INFO L276 IsEmpty]: Start isEmpty. Operand 4944 states and 7989 transitions. [2020-12-22 06:49:13,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-22 06:49:13,481 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:13,481 INFO L422 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] [2020-12-22 06:49:13,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:49:13,482 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:13,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:13,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1499722729, now seen corresponding path program 1 times [2020-12-22 06:49:13,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:13,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462626065] [2020-12-22 06:49:13,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:13,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:13,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462626065] [2020-12-22 06:49:13,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:13,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:49:13,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093767391] [2020-12-22 06:49:13,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:49:13,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:13,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:49:13,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:49:13,701 INFO L87 Difference]: Start difference. First operand 4944 states and 7989 transitions. Second operand 5 states. [2020-12-22 06:49:14,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:14,409 INFO L93 Difference]: Finished difference Result 14731 states and 23827 transitions. [2020-12-22 06:49:14,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:49:14,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-12-22 06:49:14,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:14,439 INFO L225 Difference]: With dead ends: 14731 [2020-12-22 06:49:14,439 INFO L226 Difference]: Without dead ends: 9831 [2020-12-22 06:49:14,451 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:49:14,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9831 states. [2020-12-22 06:49:14,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9831 to 4944. [2020-12-22 06:49:14,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4944 states. [2020-12-22 06:49:14,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4944 states to 4944 states and 7988 transitions. [2020-12-22 06:49:14,800 INFO L78 Accepts]: Start accepts. Automaton has 4944 states and 7988 transitions. Word has length 69 [2020-12-22 06:49:14,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:14,801 INFO L481 AbstractCegarLoop]: Abstraction has 4944 states and 7988 transitions. [2020-12-22 06:49:14,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:49:14,801 INFO L276 IsEmpty]: Start isEmpty. Operand 4944 states and 7988 transitions. [2020-12-22 06:49:14,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-22 06:49:14,802 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:14,803 INFO L422 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] [2020-12-22 06:49:14,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:49:14,805 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:14,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:14,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1691186769, now seen corresponding path program 1 times [2020-12-22 06:49:14,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:14,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745474237] [2020-12-22 06:49:14,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:14,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:14,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745474237] [2020-12-22 06:49:14,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:14,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:49:14,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9875330] [2020-12-22 06:49:14,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:49:14,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:14,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:49:14,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:49:14,912 INFO L87 Difference]: Start difference. First operand 4944 states and 7988 transitions. Second operand 3 states. [2020-12-22 06:49:15,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:15,172 INFO L93 Difference]: Finished difference Result 9566 states and 15415 transitions. [2020-12-22 06:49:15,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:49:15,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-12-22 06:49:15,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:15,185 INFO L225 Difference]: With dead ends: 9566 [2020-12-22 06:49:15,185 INFO L226 Difference]: Without dead ends: 4947 [2020-12-22 06:49:15,193 INFO L677 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 [2020-12-22 06:49:15,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4947 states. [2020-12-22 06:49:15,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4947 to 4946. [2020-12-22 06:49:15,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4946 states. [2020-12-22 06:49:15,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4946 states to 4946 states and 7990 transitions. [2020-12-22 06:49:15,424 INFO L78 Accepts]: Start accepts. Automaton has 4946 states and 7990 transitions. Word has length 70 [2020-12-22 06:49:15,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:15,424 INFO L481 AbstractCegarLoop]: Abstraction has 4946 states and 7990 transitions. [2020-12-22 06:49:15,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:49:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand 4946 states and 7990 transitions. [2020-12-22 06:49:15,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-22 06:49:15,427 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:15,427 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:49:15,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:49:15,428 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:15,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:15,428 INFO L82 PathProgramCache]: Analyzing trace with hash -821162843, now seen corresponding path program 1 times [2020-12-22 06:49:15,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:15,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335207615] [2020-12-22 06:49:15,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:15,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:15,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335207615] [2020-12-22 06:49:15,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:15,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:49:15,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469150411] [2020-12-22 06:49:15,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:49:15,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:15,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:49:15,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:49:15,614 INFO L87 Difference]: Start difference. First operand 4946 states and 7990 transitions. Second operand 3 states. [2020-12-22 06:49:16,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:16,072 INFO L93 Difference]: Finished difference Result 14671 states and 23725 transitions. [2020-12-22 06:49:16,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:49:16,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-22 06:49:16,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:16,099 INFO L225 Difference]: With dead ends: 14671 [2020-12-22 06:49:16,099 INFO L226 Difference]: Without dead ends: 9782 [2020-12-22 06:49:16,111 INFO L677 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 [2020-12-22 06:49:16,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9782 states. [2020-12-22 06:49:16,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9782 to 5163. [2020-12-22 06:49:16,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5163 states. [2020-12-22 06:49:16,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 5163 states and 8385 transitions. [2020-12-22 06:49:16,529 INFO L78 Accepts]: Start accepts. Automaton has 5163 states and 8385 transitions. Word has length 78 [2020-12-22 06:49:16,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:16,530 INFO L481 AbstractCegarLoop]: Abstraction has 5163 states and 8385 transitions. [2020-12-22 06:49:16,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:49:16,530 INFO L276 IsEmpty]: Start isEmpty. Operand 5163 states and 8385 transitions. [2020-12-22 06:49:16,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-22 06:49:16,532 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:16,532 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:49:16,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:49:16,532 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:16,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:16,533 INFO L82 PathProgramCache]: Analyzing trace with hash -818055090, now seen corresponding path program 1 times [2020-12-22 06:49:16,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:16,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374482133] [2020-12-22 06:49:16,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:16,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:16,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374482133] [2020-12-22 06:49:16,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665332775] [2020-12-22 06:49:16,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:49:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:16,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 06:49:16,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:49:17,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 06:49:17,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 06:49:17,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-22 06:49:17,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99472839] [2020-12-22 06:49:17,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:49:17,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:17,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:49:17,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:49:17,070 INFO L87 Difference]: Start difference. First operand 5163 states and 8385 transitions. Second operand 3 states. [2020-12-22 06:49:17,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:17,453 INFO L93 Difference]: Finished difference Result 9528 states and 15371 transitions. [2020-12-22 06:49:17,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:49:17,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-22 06:49:17,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:17,467 INFO L225 Difference]: With dead ends: 9528 [2020-12-22 06:49:17,467 INFO L226 Difference]: Without dead ends: 5155 [2020-12-22 06:49:17,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:49:17,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5155 states. [2020-12-22 06:49:17,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5155 to 5127. [2020-12-22 06:49:17,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5127 states. [2020-12-22 06:49:17,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5127 states to 5127 states and 8331 transitions. [2020-12-22 06:49:17,897 INFO L78 Accepts]: Start accepts. Automaton has 5127 states and 8331 transitions. Word has length 79 [2020-12-22 06:49:17,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:17,897 INFO L481 AbstractCegarLoop]: Abstraction has 5127 states and 8331 transitions. [2020-12-22 06:49:17,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:49:17,897 INFO L276 IsEmpty]: Start isEmpty. Operand 5127 states and 8331 transitions. [2020-12-22 06:49:17,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 06:49:17,904 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:17,904 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:49:18,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-22 06:49:18,121 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:18,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:18,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1846993264, now seen corresponding path program 1 times [2020-12-22 06:49:18,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:18,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134572492] [2020-12-22 06:49:18,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:18,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:18,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134572492] [2020-12-22 06:49:18,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566600353] [2020-12-22 06:49:18,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:49:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:18,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-22 06:49:18,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:49:18,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 06:49:18,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 06:49:18,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2020-12-22 06:49:18,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020942986] [2020-12-22 06:49:18,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:49:18,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:18,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:49:18,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:49:18,856 INFO L87 Difference]: Start difference. First operand 5127 states and 8331 transitions. Second operand 4 states. [2020-12-22 06:49:19,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:19,370 INFO L93 Difference]: Finished difference Result 10211 states and 16608 transitions. [2020-12-22 06:49:19,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:49:19,371 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2020-12-22 06:49:19,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:19,383 INFO L225 Difference]: With dead ends: 10211 [2020-12-22 06:49:19,383 INFO L226 Difference]: Without dead ends: 5133 [2020-12-22 06:49:19,392 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:49:19,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5133 states. [2020-12-22 06:49:19,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5133 to 5127. [2020-12-22 06:49:19,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5127 states. [2020-12-22 06:49:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5127 states to 5127 states and 8329 transitions. [2020-12-22 06:49:19,771 INFO L78 Accepts]: Start accepts. Automaton has 5127 states and 8329 transitions. Word has length 112 [2020-12-22 06:49:19,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:19,772 INFO L481 AbstractCegarLoop]: Abstraction has 5127 states and 8329 transitions. [2020-12-22 06:49:19,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:49:19,772 INFO L276 IsEmpty]: Start isEmpty. Operand 5127 states and 8329 transitions. [2020-12-22 06:49:19,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-22 06:49:19,779 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:19,779 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:49:19,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:49:19,994 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:19,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:19,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1007819307, now seen corresponding path program 1 times [2020-12-22 06:49:19,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:19,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921507087] [2020-12-22 06:49:19,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:20,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 06:49:20,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921507087] [2020-12-22 06:49:20,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:20,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:49:20,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096663742] [2020-12-22 06:49:20,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:49:20,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:20,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:49:20,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:49:20,110 INFO L87 Difference]: Start difference. First operand 5127 states and 8329 transitions. Second operand 5 states. [2020-12-22 06:49:20,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:20,984 INFO L93 Difference]: Finished difference Result 15258 states and 24816 transitions. [2020-12-22 06:49:20,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:49:20,985 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2020-12-22 06:49:20,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:21,012 INFO L225 Difference]: With dead ends: 15258 [2020-12-22 06:49:21,012 INFO L226 Difference]: Without dead ends: 10184 [2020-12-22 06:49:21,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:49:21,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10184 states. [2020-12-22 06:49:21,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10184 to 5127. [2020-12-22 06:49:21,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5127 states. [2020-12-22 06:49:21,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5127 states to 5127 states and 8328 transitions. [2020-12-22 06:49:21,489 INFO L78 Accepts]: Start accepts. Automaton has 5127 states and 8328 transitions. Word has length 114 [2020-12-22 06:49:21,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:21,489 INFO L481 AbstractCegarLoop]: Abstraction has 5127 states and 8328 transitions. [2020-12-22 06:49:21,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:49:21,490 INFO L276 IsEmpty]: Start isEmpty. Operand 5127 states and 8328 transitions. [2020-12-22 06:49:21,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-22 06:49:21,500 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:21,501 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:49:21,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:49:21,503 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:21,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:21,504 INFO L82 PathProgramCache]: Analyzing trace with hash 67132705, now seen corresponding path program 1 times [2020-12-22 06:49:21,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:21,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672195919] [2020-12-22 06:49:21,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:21,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 06:49:21,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672195919] [2020-12-22 06:49:21,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:21,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:49:21,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700383899] [2020-12-22 06:49:21,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:49:21,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:21,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:49:21,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:49:21,617 INFO L87 Difference]: Start difference. First operand 5127 states and 8328 transitions. Second operand 5 states. [2020-12-22 06:49:22,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:22,624 INFO L93 Difference]: Finished difference Result 15264 states and 24822 transitions. [2020-12-22 06:49:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:49:22,625 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2020-12-22 06:49:22,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:22,651 INFO L225 Difference]: With dead ends: 15264 [2020-12-22 06:49:22,651 INFO L226 Difference]: Without dead ends: 10190 [2020-12-22 06:49:22,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:49:22,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10190 states. [2020-12-22 06:49:23,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10190 to 5127. [2020-12-22 06:49:23,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5127 states. [2020-12-22 06:49:23,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5127 states to 5127 states and 8327 transitions. [2020-12-22 06:49:23,056 INFO L78 Accepts]: Start accepts. Automaton has 5127 states and 8327 transitions. Word has length 115 [2020-12-22 06:49:23,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:23,056 INFO L481 AbstractCegarLoop]: Abstraction has 5127 states and 8327 transitions. [2020-12-22 06:49:23,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:49:23,056 INFO L276 IsEmpty]: Start isEmpty. Operand 5127 states and 8327 transitions. [2020-12-22 06:49:23,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-22 06:49:23,063 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:23,064 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:49:23,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 06:49:23,064 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:23,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:23,065 INFO L82 PathProgramCache]: Analyzing trace with hash -984612538, now seen corresponding path program 1 times [2020-12-22 06:49:23,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:23,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974510813] [2020-12-22 06:49:23,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:23,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:23,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974510813] [2020-12-22 06:49:23,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567457289] [2020-12-22 06:49:23,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 06:49:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:23,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-22 06:49:23,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 06:49:23,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:23,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-22 06:49:23,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-22 06:49:23,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398055338] [2020-12-22 06:49:23,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:49:23,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:23,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:49:23,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:49:23,815 INFO L87 Difference]: Start difference. First operand 5127 states and 8327 transitions. Second operand 5 states. [2020-12-22 06:49:24,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:24,794 INFO L93 Difference]: Finished difference Result 14567 states and 23562 transitions. [2020-12-22 06:49:24,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:49:24,795 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 116 [2020-12-22 06:49:24,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:24,819 INFO L225 Difference]: With dead ends: 14567 [2020-12-22 06:49:24,819 INFO L226 Difference]: Without dead ends: 9984 [2020-12-22 06:49:24,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:49:24,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9984 states. [2020-12-22 06:49:25,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9984 to 5399. [2020-12-22 06:49:25,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5399 states. [2020-12-22 06:49:25,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8820 transitions. [2020-12-22 06:49:25,260 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8820 transitions. Word has length 116 [2020-12-22 06:49:25,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:25,260 INFO L481 AbstractCegarLoop]: Abstraction has 5399 states and 8820 transitions. [2020-12-22 06:49:25,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:49:25,260 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8820 transitions. [2020-12-22 06:49:25,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-22 06:49:25,267 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:25,267 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:49:25,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-22 06:49:25,481 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:25,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:25,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1916732943, now seen corresponding path program 1 times [2020-12-22 06:49:25,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:25,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28927757] [2020-12-22 06:49:25,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:25,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28927757] [2020-12-22 06:49:25,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:25,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:49:25,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545686933] [2020-12-22 06:49:25,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:49:25,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:25,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:49:25,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:49:25,568 INFO L87 Difference]: Start difference. First operand 5399 states and 8820 transitions. Second operand 3 states. [2020-12-22 06:49:26,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:26,335 INFO L93 Difference]: Finished difference Result 15737 states and 25693 transitions. [2020-12-22 06:49:26,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:49:26,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-12-22 06:49:26,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:26,364 INFO L225 Difference]: With dead ends: 15737 [2020-12-22 06:49:26,365 INFO L226 Difference]: Without dead ends: 10459 [2020-12-22 06:49:26,377 INFO L677 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 [2020-12-22 06:49:26,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10459 states. [2020-12-22 06:49:26,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10459 to 5876. [2020-12-22 06:49:26,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5876 states. [2020-12-22 06:49:26,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5876 states to 5876 states and 9685 transitions. [2020-12-22 06:49:26,891 INFO L78 Accepts]: Start accepts. Automaton has 5876 states and 9685 transitions. Word has length 120 [2020-12-22 06:49:26,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:26,891 INFO L481 AbstractCegarLoop]: Abstraction has 5876 states and 9685 transitions. [2020-12-22 06:49:26,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:49:26,892 INFO L276 IsEmpty]: Start isEmpty. Operand 5876 states and 9685 transitions. [2020-12-22 06:49:26,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-22 06:49:26,901 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:26,901 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:49:26,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 06:49:26,902 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:26,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:26,903 INFO L82 PathProgramCache]: Analyzing trace with hash -416263880, now seen corresponding path program 1 times [2020-12-22 06:49:26,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:26,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792131877] [2020-12-22 06:49:26,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:26,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:26,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792131877] [2020-12-22 06:49:26,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:26,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:49:26,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813267864] [2020-12-22 06:49:26,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:49:26,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:26,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:49:26,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:49:26,983 INFO L87 Difference]: Start difference. First operand 5876 states and 9685 transitions. Second operand 3 states. [2020-12-22 06:49:27,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:27,841 INFO L93 Difference]: Finished difference Result 17145 states and 28256 transitions. [2020-12-22 06:49:27,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:49:27,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-22 06:49:27,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:27,873 INFO L225 Difference]: With dead ends: 17145 [2020-12-22 06:49:27,874 INFO L226 Difference]: Without dead ends: 11399 [2020-12-22 06:49:27,882 INFO L677 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 [2020-12-22 06:49:27,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11399 states. [2020-12-22 06:49:28,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11399 to 6816. [2020-12-22 06:49:28,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6816 states. [2020-12-22 06:49:28,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6816 states to 6816 states and 11394 transitions. [2020-12-22 06:49:28,410 INFO L78 Accepts]: Start accepts. Automaton has 6816 states and 11394 transitions. Word has length 121 [2020-12-22 06:49:28,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:28,410 INFO L481 AbstractCegarLoop]: Abstraction has 6816 states and 11394 transitions. [2020-12-22 06:49:28,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:49:28,411 INFO L276 IsEmpty]: Start isEmpty. Operand 6816 states and 11394 transitions. [2020-12-22 06:49:28,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-22 06:49:28,426 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:28,427 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:49:28,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 06:49:28,427 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:28,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:28,428 INFO L82 PathProgramCache]: Analyzing trace with hash -542548442, now seen corresponding path program 1 times [2020-12-22 06:49:28,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:28,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445869152] [2020-12-22 06:49:28,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:28,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445869152] [2020-12-22 06:49:28,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:28,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:49:28,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921493855] [2020-12-22 06:49:28,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:49:28,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:28,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:49:28,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:49:28,553 INFO L87 Difference]: Start difference. First operand 6816 states and 11394 transitions. Second operand 3 states. [2020-12-22 06:49:29,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:29,494 INFO L93 Difference]: Finished difference Result 19696 states and 32897 transitions. [2020-12-22 06:49:29,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:49:29,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-12-22 06:49:29,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:29,526 INFO L225 Difference]: With dead ends: 19696 [2020-12-22 06:49:29,526 INFO L226 Difference]: Without dead ends: 13045 [2020-12-22 06:49:29,539 INFO L677 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 [2020-12-22 06:49:29,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13045 states. [2020-12-22 06:49:30,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13045 to 8462. [2020-12-22 06:49:30,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8462 states. [2020-12-22 06:49:30,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8462 states to 8462 states and 14383 transitions. [2020-12-22 06:49:30,193 INFO L78 Accepts]: Start accepts. Automaton has 8462 states and 14383 transitions. Word has length 122 [2020-12-22 06:49:30,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:30,194 INFO L481 AbstractCegarLoop]: Abstraction has 8462 states and 14383 transitions. [2020-12-22 06:49:30,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:49:30,194 INFO L276 IsEmpty]: Start isEmpty. Operand 8462 states and 14383 transitions. [2020-12-22 06:49:30,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-12-22 06:49:30,208 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:30,208 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:49:30,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-22 06:49:30,208 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:30,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:30,209 INFO L82 PathProgramCache]: Analyzing trace with hash -465878751, now seen corresponding path program 1 times [2020-12-22 06:49:30,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:30,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491718091] [2020-12-22 06:49:30,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:30,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:30,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491718091] [2020-12-22 06:49:30,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:30,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:49:30,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878458372] [2020-12-22 06:49:30,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:49:30,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:30,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:49:30,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:49:30,302 INFO L87 Difference]: Start difference. First operand 8462 states and 14383 transitions. Second operand 3 states. [2020-12-22 06:49:31,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:31,082 INFO L93 Difference]: Finished difference Result 24341 states and 41338 transitions. [2020-12-22 06:49:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:49:31,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-12-22 06:49:31,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:31,114 INFO L225 Difference]: With dead ends: 24341 [2020-12-22 06:49:31,115 INFO L226 Difference]: Without dead ends: 16079 [2020-12-22 06:49:31,124 INFO L677 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 [2020-12-22 06:49:31,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16079 states. [2020-12-22 06:49:31,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16079 to 11496. [2020-12-22 06:49:31,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11496 states. [2020-12-22 06:49:31,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11496 states to 11496 states and 19888 transitions. [2020-12-22 06:49:31,876 INFO L78 Accepts]: Start accepts. Automaton has 11496 states and 19888 transitions. Word has length 123 [2020-12-22 06:49:31,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:31,876 INFO L481 AbstractCegarLoop]: Abstraction has 11496 states and 19888 transitions. [2020-12-22 06:49:31,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:49:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 11496 states and 19888 transitions. [2020-12-22 06:49:31,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-22 06:49:31,895 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:31,896 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:49:31,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-22 06:49:31,896 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:31,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:31,897 INFO L82 PathProgramCache]: Analyzing trace with hash -316675269, now seen corresponding path program 1 times [2020-12-22 06:49:31,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:31,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833067567] [2020-12-22 06:49:31,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:31,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:31,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833067567] [2020-12-22 06:49:31,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:31,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:49:31,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3671418] [2020-12-22 06:49:31,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:49:31,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:31,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:49:31,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:49:31,976 INFO L87 Difference]: Start difference. First operand 11496 states and 19888 transitions. Second operand 3 states. [2020-12-22 06:49:32,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:32,836 INFO L93 Difference]: Finished difference Result 33752 states and 58414 transitions. [2020-12-22 06:49:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:49:32,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-12-22 06:49:32,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:32,886 INFO L225 Difference]: With dead ends: 33752 [2020-12-22 06:49:32,886 INFO L226 Difference]: Without dead ends: 22465 [2020-12-22 06:49:32,907 INFO L677 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 [2020-12-22 06:49:32,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22465 states. [2020-12-22 06:49:34,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22465 to 17882. [2020-12-22 06:49:34,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17882 states. [2020-12-22 06:49:34,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17882 states to 17882 states and 31457 transitions. [2020-12-22 06:49:34,117 INFO L78 Accepts]: Start accepts. Automaton has 17882 states and 31457 transitions. Word has length 124 [2020-12-22 06:49:34,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:34,118 INFO L481 AbstractCegarLoop]: Abstraction has 17882 states and 31457 transitions. [2020-12-22 06:49:34,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:49:34,118 INFO L276 IsEmpty]: Start isEmpty. Operand 17882 states and 31457 transitions. [2020-12-22 06:49:34,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-22 06:49:34,144 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:34,144 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:49:34,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-22 06:49:34,145 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:34,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:34,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1720759284, now seen corresponding path program 1 times [2020-12-22 06:49:34,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:34,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723911505] [2020-12-22 06:49:34,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:34,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:34,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723911505] [2020-12-22 06:49:34,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:34,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:49:34,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531025605] [2020-12-22 06:49:34,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:49:34,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:34,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:49:34,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:49:34,250 INFO L87 Difference]: Start difference. First operand 17882 states and 31457 transitions. Second operand 3 states. [2020-12-22 06:49:35,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:35,477 INFO L93 Difference]: Finished difference Result 52707 states and 92819 transitions. [2020-12-22 06:49:35,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:49:35,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-12-22 06:49:35,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:35,560 INFO L225 Difference]: With dead ends: 52707 [2020-12-22 06:49:35,560 INFO L226 Difference]: Without dead ends: 35043 [2020-12-22 06:49:35,596 INFO L677 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 [2020-12-22 06:49:35,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35043 states. [2020-12-22 06:49:37,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35043 to 30460. [2020-12-22 06:49:37,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30460 states. [2020-12-22 06:49:37,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30460 states to 30460 states and 54274 transitions. [2020-12-22 06:49:37,351 INFO L78 Accepts]: Start accepts. Automaton has 30460 states and 54274 transitions. Word has length 125 [2020-12-22 06:49:37,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:37,351 INFO L481 AbstractCegarLoop]: Abstraction has 30460 states and 54274 transitions. [2020-12-22 06:49:37,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:49:37,351 INFO L276 IsEmpty]: Start isEmpty. Operand 30460 states and 54274 transitions. [2020-12-22 06:49:37,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-22 06:49:37,424 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:37,424 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:49:37,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-22 06:49:37,424 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:37,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:37,425 INFO L82 PathProgramCache]: Analyzing trace with hash 20605497, now seen corresponding path program 2 times [2020-12-22 06:49:37,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:37,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258894500] [2020-12-22 06:49:37,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:37,542 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:37,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258894500] [2020-12-22 06:49:37,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:37,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:49:37,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822389631] [2020-12-22 06:49:37,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 06:49:37,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:37,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 06:49:37,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 06:49:37,550 INFO L87 Difference]: Start difference. First operand 30460 states and 54274 transitions. Second operand 4 states. [2020-12-22 06:49:40,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:40,743 INFO L93 Difference]: Finished difference Result 65162 states and 115348 transitions. [2020-12-22 06:49:40,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 06:49:40,744 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2020-12-22 06:49:40,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:40,829 INFO L225 Difference]: With dead ends: 65162 [2020-12-22 06:49:40,830 INFO L226 Difference]: Without dead ends: 35043 [2020-12-22 06:49:40,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:49:40,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35043 states. [2020-12-22 06:49:42,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35043 to 30460. [2020-12-22 06:49:42,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30460 states. [2020-12-22 06:49:42,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30460 states to 30460 states and 54210 transitions. [2020-12-22 06:49:42,570 INFO L78 Accepts]: Start accepts. Automaton has 30460 states and 54210 transitions. Word has length 125 [2020-12-22 06:49:42,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:42,571 INFO L481 AbstractCegarLoop]: Abstraction has 30460 states and 54210 transitions. [2020-12-22 06:49:42,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 06:49:42,573 INFO L276 IsEmpty]: Start isEmpty. Operand 30460 states and 54210 transitions. [2020-12-22 06:49:42,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-22 06:49:42,610 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:42,610 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:49:42,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-22 06:49:42,610 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:42,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:42,611 INFO L82 PathProgramCache]: Analyzing trace with hash 380832722, now seen corresponding path program 1 times [2020-12-22 06:49:42,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:42,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683133974] [2020-12-22 06:49:42,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:42,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683133974] [2020-12-22 06:49:42,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:42,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:49:42,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136796104] [2020-12-22 06:49:42,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:49:42,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:42,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:49:42,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:49:42,718 INFO L87 Difference]: Start difference. First operand 30460 states and 54210 transitions. Second operand 3 states. [2020-12-22 06:49:45,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:45,568 INFO L93 Difference]: Finished difference Result 85015 states and 150620 transitions. [2020-12-22 06:49:45,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:49:45,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-12-22 06:49:45,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:45,664 INFO L225 Difference]: With dead ends: 85015 [2020-12-22 06:49:45,664 INFO L226 Difference]: Without dead ends: 54821 [2020-12-22 06:49:45,699 INFO L677 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 [2020-12-22 06:49:45,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54821 states. [2020-12-22 06:49:48,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54821 to 50238. [2020-12-22 06:49:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50238 states. [2020-12-22 06:49:48,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50238 states to 50238 states and 89347 transitions. [2020-12-22 06:49:48,224 INFO L78 Accepts]: Start accepts. Automaton has 50238 states and 89347 transitions. Word has length 126 [2020-12-22 06:49:48,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:48,225 INFO L481 AbstractCegarLoop]: Abstraction has 50238 states and 89347 transitions. [2020-12-22 06:49:48,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:49:48,225 INFO L276 IsEmpty]: Start isEmpty. Operand 50238 states and 89347 transitions. [2020-12-22 06:49:48,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-22 06:49:48,255 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:48,255 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:49:48,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-22 06:49:48,255 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:48,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:48,256 INFO L82 PathProgramCache]: Analyzing trace with hash -151316652, now seen corresponding path program 1 times [2020-12-22 06:49:48,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:48,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200907875] [2020-12-22 06:49:48,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:48,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:49:48,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200907875] [2020-12-22 06:49:48,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:48,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:49:48,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691983947] [2020-12-22 06:49:48,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:49:48,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:48,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:49:48,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:49:48,351 INFO L87 Difference]: Start difference. First operand 50238 states and 89347 transitions. Second operand 3 states. [2020-12-22 06:49:51,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:49:51,879 INFO L93 Difference]: Finished difference Result 141880 states and 252129 transitions. [2020-12-22 06:49:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:49:51,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-12-22 06:49:51,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:49:52,086 INFO L225 Difference]: With dead ends: 141880 [2020-12-22 06:49:52,086 INFO L226 Difference]: Without dead ends: 91943 [2020-12-22 06:49:52,136 INFO L677 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 [2020-12-22 06:49:52,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91943 states. [2020-12-22 06:49:55,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91943 to 87360. [2020-12-22 06:49:55,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87360 states. [2020-12-22 06:49:56,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87360 states to 87360 states and 155652 transitions. [2020-12-22 06:49:56,129 INFO L78 Accepts]: Start accepts. Automaton has 87360 states and 155652 transitions. Word has length 127 [2020-12-22 06:49:56,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:49:56,129 INFO L481 AbstractCegarLoop]: Abstraction has 87360 states and 155652 transitions. [2020-12-22 06:49:56,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:49:56,129 INFO L276 IsEmpty]: Start isEmpty. Operand 87360 states and 155652 transitions. [2020-12-22 06:49:56,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-22 06:49:56,172 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:49:56,172 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:49:56,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-22 06:49:56,173 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:49:56,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:49:56,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1429113234, now seen corresponding path program 1 times [2020-12-22 06:49:56,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:49:56,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99148998] [2020-12-22 06:49:56,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:49:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:49:56,300 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-22 06:49:56,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99148998] [2020-12-22 06:49:56,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:49:56,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:49:56,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325851669] [2020-12-22 06:49:56,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:49:56,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:49:56,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:49:56,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:49:56,303 INFO L87 Difference]: Start difference. First operand 87360 states and 155652 transitions. Second operand 6 states. [2020-12-22 06:50:03,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:50:03,585 INFO L93 Difference]: Finished difference Result 257820 states and 459172 transitions. [2020-12-22 06:50:03,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:50:03,585 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2020-12-22 06:50:03,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:50:03,956 INFO L225 Difference]: With dead ends: 257820 [2020-12-22 06:50:03,956 INFO L226 Difference]: Without dead ends: 170799 [2020-12-22 06:50:04,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:50:04,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170799 states. [2020-12-22 06:50:08,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170799 to 87360. [2020-12-22 06:50:08,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87360 states. [2020-12-22 06:50:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87360 states to 87360 states and 155138 transitions. [2020-12-22 06:50:09,033 INFO L78 Accepts]: Start accepts. Automaton has 87360 states and 155138 transitions. Word has length 127 [2020-12-22 06:50:09,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:50:09,033 INFO L481 AbstractCegarLoop]: Abstraction has 87360 states and 155138 transitions. [2020-12-22 06:50:09,033 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:50:09,033 INFO L276 IsEmpty]: Start isEmpty. Operand 87360 states and 155138 transitions. [2020-12-22 06:50:09,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-12-22 06:50:09,071 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:50:09,071 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:50:09,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-22 06:50:09,072 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:50:09,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:50:09,072 INFO L82 PathProgramCache]: Analyzing trace with hash -997654897, now seen corresponding path program 1 times [2020-12-22 06:50:09,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:50:09,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014687686] [2020-12-22 06:50:09,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:50:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:50:09,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:50:09,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014687686] [2020-12-22 06:50:09,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:50:09,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:50:09,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632819848] [2020-12-22 06:50:09,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:50:09,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:50:09,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:50:09,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:50:09,158 INFO L87 Difference]: Start difference. First operand 87360 states and 155138 transitions. Second operand 3 states.