/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label29.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 22:31:49,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 22:31:49,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 22:31:49,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 22:31:49,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 22:31:49,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 22:31:49,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 22:31:49,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 22:31:49,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 22:31:49,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 22:31:49,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 22:31:49,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 22:31:49,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 22:31:49,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 22:31:49,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 22:31:49,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 22:31:49,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 22:31:49,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 22:31:49,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 22:31:49,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 22:31:49,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 22:31:49,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 22:31:49,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 22:31:49,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 22:31:49,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 22:31:49,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 22:31:49,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 22:31:49,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 22:31:49,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 22:31:49,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-10-26 22:31:49,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 22:31:49,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 22:31:49,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 22:31:49,771 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-26 22:31:49,800 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 22:31:49,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 22:31:49,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 22:31:49,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 22:31:49,803 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 22:31:49,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 22:31:49,803 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 22:31:49,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 22:31:49,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 22:31:49,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 22:31:49,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 22:31:49,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 22:31:49,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 22:31:49,805 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 22:31:49,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 22:31:49,807 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 22:31:49,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 22:31:49,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 22:31:49,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 22:31:49,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 22:31:49,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 22:31:49,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 22:31:49,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 22:31:49,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 22:31:49,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 22:31:49,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 22:31:49,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 22:31:49,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 22:31:49,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 22:31:49,812 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-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 22:31:50,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 22:31:50,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 22:31:50,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 22:31:50,363 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 22:31:50,364 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 22:31:50,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label29.c [2020-10-26 22:31:50,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30cc29f01/a7af2b90869a4f929f77a5ccd261db10/FLAG268dc981c [2020-10-26 22:31:51,246 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 22:31:51,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label29.c [2020-10-26 22:31:51,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30cc29f01/a7af2b90869a4f929f77a5ccd261db10/FLAG268dc981c [2020-10-26 22:31:51,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30cc29f01/a7af2b90869a4f929f77a5ccd261db10 [2020-10-26 22:31:51,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 22:31:51,451 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 22:31:51,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 22:31:51,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 22:31:51,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 22:31:51,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:31:51" (1/1) ... [2020-10-26 22:31:51,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5264833d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:51, skipping insertion in model container [2020-10-26 22:31:51,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:31:51" (1/1) ... [2020-10-26 22:31:51,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 22:31:51,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 22:31:52,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:31:52,016 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 22:31:52,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 22:31:52,243 INFO L208 MainTranslator]: Completed translation [2020-10-26 22:31:52,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:52 WrapperNode [2020-10-26 22:31:52,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 22:31:52,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 22:31:52,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 22:31:52,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 22:31:52,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:52" (1/1) ... [2020-10-26 22:31:52,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:52" (1/1) ... [2020-10-26 22:31:52,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:52" (1/1) ... [2020-10-26 22:31:52,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:52" (1/1) ... [2020-10-26 22:31:52,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:52" (1/1) ... [2020-10-26 22:31:52,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:52" (1/1) ... [2020-10-26 22:31:52,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:52" (1/1) ... [2020-10-26 22:31:52,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 22:31:52,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 22:31:52,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 22:31:52,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 22:31:52,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-26 22:31:52,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 22:31:52,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 22:31:52,479 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 22:31:52,479 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 22:31:52,480 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 22:31:52,480 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 22:31:52,480 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 22:31:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 22:31:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 22:31:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 22:31:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 22:31:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 22:31:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 22:31:52,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 22:31:52,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 22:31:52,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 22:31:52,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 22:31:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 22:31:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 22:31:53,843 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 22:31:53,844 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 22:31:53,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:31:53 BoogieIcfgContainer [2020-10-26 22:31:53,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 22:31:53,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 22:31:53,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 22:31:53,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 22:31:53,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:31:51" (1/3) ... [2020-10-26 22:31:53,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f328404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:31:53, skipping insertion in model container [2020-10-26 22:31:53,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:31:52" (2/3) ... [2020-10-26 22:31:53,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f328404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:31:53, skipping insertion in model container [2020-10-26 22:31:53,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:31:53" (3/3) ... [2020-10-26 22:31:53,855 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label29.c [2020-10-26 22:31:53,868 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 22:31:53,873 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 22:31:53,887 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 22:31:53,917 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 22:31:53,918 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 22:31:53,918 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 22:31:53,918 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 22:31:53,918 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 22:31:53,918 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 22:31:53,918 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 22:31:53,918 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 22:31:53,942 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-26 22:31:53,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-26 22:31:53,949 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:31:53,949 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] [2020-10-26 22:31:53,950 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:31:53,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:31:53,956 INFO L82 PathProgramCache]: Analyzing trace with hash -189227420, now seen corresponding path program 1 times [2020-10-26 22:31:53,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:31:53,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1676849436] [2020-10-26 22:31:53,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:31:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:54,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:54,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:54,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-26 22:31:54,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:54,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 592 [2020-10-26 22:31:54,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:54,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:31:54,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:31:54,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-26 22:31:54,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 22:31:54,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:54,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:54,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:54,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:54,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:54,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-26 22:31:54,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:54,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:54,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:54,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:31:54,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:31:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:31:55,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1676849436] [2020-10-26 22:31:55,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:31:55,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 22:31:55,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590344309] [2020-10-26 22:31:55,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 22:31:55,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:55,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 22:31:55,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 22:31:55,041 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-26 22:31:56,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:31:56,902 INFO L93 Difference]: Finished difference Result 586 states and 1013 transitions. [2020-10-26 22:31:56,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:31:56,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-26 22:31:56,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:31:56,919 INFO L225 Difference]: With dead ends: 586 [2020-10-26 22:31:56,919 INFO L226 Difference]: Without dead ends: 303 [2020-10-26 22:31:56,928 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:31:56,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-26 22:31:57,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2020-10-26 22:31:57,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-26 22:31:57,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 424 transitions. [2020-10-26 22:31:57,014 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 424 transitions. Word has length 22 [2020-10-26 22:31:57,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:31:57,014 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 424 transitions. [2020-10-26 22:31:57,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 22:31:57,015 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 424 transitions. [2020-10-26 22:31:57,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-26 22:31:57,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:31:57,023 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2020-10-26 22:31:57,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 22:31:57,023 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:31:57,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:31:57,027 INFO L82 PathProgramCache]: Analyzing trace with hash -333811260, now seen corresponding path program 1 times [2020-10-26 22:31:57,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:31:57,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1715072123] [2020-10-26 22:31:57,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:31:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:57,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:57,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:57,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:57,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:57,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-26 22:31:57,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:31:57,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 863 [2020-10-26 22:31:57,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:57,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:31:57,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:31:57,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 22:31:57,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:31:58,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:31:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:58,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:58,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:58,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:31:58,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:58,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 22:31:58,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:58,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:31:58,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:31:58,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:31:58,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:58,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:31:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:31:58,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:31:58,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:31:58,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:31:58,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:31:58,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-26 22:31:58,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:31:58,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:31:58,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:31:58,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:31:58,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:31:58,318 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:31:58,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1715072123] [2020-10-26 22:31:58,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 22:31:58,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-26 22:31:58,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014717355] [2020-10-26 22:31:58,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:31:58,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:31:58,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:31:58,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:31:58,325 INFO L87 Difference]: Start difference. First operand 297 states and 424 transitions. Second operand 7 states. [2020-10-26 22:31:59,027 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-26 22:32:00,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:32:00,584 INFO L93 Difference]: Finished difference Result 908 states and 1332 transitions. [2020-10-26 22:32:00,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:32:00,584 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 94 [2020-10-26 22:32:00,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:32:00,592 INFO L225 Difference]: With dead ends: 908 [2020-10-26 22:32:00,592 INFO L226 Difference]: Without dead ends: 617 [2020-10-26 22:32:00,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:32:00,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2020-10-26 22:32:00,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 597. [2020-10-26 22:32:00,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-26 22:32:00,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 768 transitions. [2020-10-26 22:32:00,679 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 768 transitions. Word has length 94 [2020-10-26 22:32:00,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:32:00,681 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 768 transitions. [2020-10-26 22:32:00,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:32:00,682 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 768 transitions. [2020-10-26 22:32:00,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-26 22:32:00,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:00,689 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2020-10-26 22:32:00,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 22:32:00,690 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:00,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:00,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1489733768, now seen corresponding path program 1 times [2020-10-26 22:32:00,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:00,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274720408] [2020-10-26 22:32:00,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:00,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:01,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:01,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-26 22:32:01,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:01,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-26 22:32:01,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:01,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:01,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-26 22:32:01,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-26 22:32:01,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:01,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:32:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:01,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:01,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:01,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:32:01,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:01,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:32:01,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:01,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:32:01,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:01,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:32:01,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:01,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:32:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:01,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:01,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:01,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-26 22:32:01,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:01,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-26 22:32:01,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:01,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:32:01,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:01,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:32:01,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:01,419 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 22:32:01,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1274720408] [2020-10-26 22:32:01,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:32:01,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:32:01,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953407241] [2020-10-26 22:32:01,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:32:01,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:32:01,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:32:01,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:32:01,425 INFO L87 Difference]: Start difference. First operand 597 states and 768 transitions. Second operand 5 states. [2020-10-26 22:32:03,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:32:03,059 INFO L93 Difference]: Finished difference Result 1490 states and 2003 transitions. [2020-10-26 22:32:03,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:32:03,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2020-10-26 22:32:03,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:32:03,067 INFO L225 Difference]: With dead ends: 1490 [2020-10-26 22:32:03,068 INFO L226 Difference]: Without dead ends: 899 [2020-10-26 22:32:03,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:32:03,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2020-10-26 22:32:03,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 895. [2020-10-26 22:32:03,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2020-10-26 22:32:03,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1162 transitions. [2020-10-26 22:32:03,116 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1162 transitions. Word has length 101 [2020-10-26 22:32:03,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:32:03,117 INFO L481 AbstractCegarLoop]: Abstraction has 895 states and 1162 transitions. [2020-10-26 22:32:03,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:32:03,118 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1162 transitions. [2020-10-26 22:32:03,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-26 22:32:03,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:03,124 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:32:03,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 22:32:03,124 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:03,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:03,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1296271856, now seen corresponding path program 1 times [2020-10-26 22:32:03,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:03,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [598668518] [2020-10-26 22:32:03,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:03,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:03,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:03,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:04,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:04,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:04,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-26 22:32:04,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:32:04,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1537 [2020-10-26 22:32:04,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-26 22:32:04,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-26 22:32:04,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:04,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:32:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:04,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:04,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:04,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:32:04,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:04,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-26 22:32:04,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:04,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:32:04,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:04,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:32:04,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:04,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:32:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:04,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:05,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:05,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-26 22:32:05,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:05,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-26 22:32:05,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:05,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:32:05,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:05,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:32:05,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:32:05,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-26 22:32:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:05,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:05,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:05,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:32:05,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:05,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-26 22:32:05,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:05,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:05,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:32:05,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:32:05,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:05,274 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:32:05,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [598668518] [2020-10-26 22:32:05,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:32:05,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:32:05,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288293784] [2020-10-26 22:32:05,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:32:05,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:32:05,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:32:05,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:32:05,279 INFO L87 Difference]: Start difference. First operand 895 states and 1162 transitions. Second operand 7 states. [2020-10-26 22:32:07,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:32:07,557 INFO L93 Difference]: Finished difference Result 2110 states and 2769 transitions. [2020-10-26 22:32:07,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:32:07,558 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2020-10-26 22:32:07,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:32:07,567 INFO L225 Difference]: With dead ends: 2110 [2020-10-26 22:32:07,568 INFO L226 Difference]: Without dead ends: 923 [2020-10-26 22:32:07,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:32:07,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2020-10-26 22:32:07,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 901. [2020-10-26 22:32:07,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 901 states. [2020-10-26 22:32:07,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1056 transitions. [2020-10-26 22:32:07,627 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1056 transitions. Word has length 174 [2020-10-26 22:32:07,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:32:07,629 INFO L481 AbstractCegarLoop]: Abstraction has 901 states and 1056 transitions. [2020-10-26 22:32:07,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:32:07,629 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1056 transitions. [2020-10-26 22:32:07,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-26 22:32:07,635 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:07,636 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:32:07,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 22:32:07,636 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:07,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:07,637 INFO L82 PathProgramCache]: Analyzing trace with hash 832904196, now seen corresponding path program 1 times [2020-10-26 22:32:07,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:07,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [101305089] [2020-10-26 22:32:07,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:07,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:07,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:08,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:08,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:09,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:09,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-26 22:32:09,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:32:09,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1414 [2020-10-26 22:32:09,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:09,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:32:09,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-26 22:32:09,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-26 22:32:09,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:09,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:32:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:09,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:09,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:09,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:32:09,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:09,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-26 22:32:09,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:09,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:32:09,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:09,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:32:09,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:09,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:32:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:09,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:09,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:09,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:32:09,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:09,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-26 22:32:09,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:32:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:09,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-26 22:32:09,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:09,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 22:32:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:09,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:09,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:09,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:09,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-26 22:32:09,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 22:32:09,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-10-26 22:32:09,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:09,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:09,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:32:09,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-26 22:32:09,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:09,837 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 79 proven. 14 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:32:09,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [101305089] [2020-10-26 22:32:09,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:32:09,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 22:32:09,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47074092] [2020-10-26 22:32:09,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 22:32:09,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:32:09,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 22:32:09,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:32:09,841 INFO L87 Difference]: Start difference. First operand 901 states and 1056 transitions. Second operand 8 states. [2020-10-26 22:32:12,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:32:12,994 INFO L93 Difference]: Finished difference Result 2843 states and 3457 transitions. [2020-10-26 22:32:12,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 22:32:12,996 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 182 [2020-10-26 22:32:12,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:32:13,006 INFO L225 Difference]: With dead ends: 2843 [2020-10-26 22:32:13,007 INFO L226 Difference]: Without dead ends: 1801 [2020-10-26 22:32:13,010 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-26 22:32:13,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2020-10-26 22:32:13,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1642. [2020-10-26 22:32:13,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1642 states. [2020-10-26 22:32:13,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 1926 transitions. [2020-10-26 22:32:13,070 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 1926 transitions. Word has length 182 [2020-10-26 22:32:13,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:32:13,071 INFO L481 AbstractCegarLoop]: Abstraction has 1642 states and 1926 transitions. [2020-10-26 22:32:13,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 22:32:13,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 1926 transitions. [2020-10-26 22:32:13,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-26 22:32:13,075 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:13,075 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:32:13,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 22:32:13,075 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:13,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:13,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1184220600, now seen corresponding path program 1 times [2020-10-26 22:32:13,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:13,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1912986705] [2020-10-26 22:32:13,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:13,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:13,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:13,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:14,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:16,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:17,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:17,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-26 22:32:17,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 22:32:17,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4099 [2020-10-26 22:32:17,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:17,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:32:17,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 22:32:17,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-26 22:32:17,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:32:17,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:32:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:17,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:17,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:17,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:32:17,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:17,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-26 22:32:17,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:17,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:32:17,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:17,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 22:32:17,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:17,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:32:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:17,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:17,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:17,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:32:17,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:17,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-26 22:32:17,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:32:17,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 22:32:17,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:17,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-26 22:32:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:17,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:17,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:17,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-26 22:32:17,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:17,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-26 22:32:17,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:17,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:32:17,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-26 22:32:17,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:32:17,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:17,780 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 28 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 22:32:17,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1912986705] [2020-10-26 22:32:17,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:32:17,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:32:17,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778682254] [2020-10-26 22:32:17,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:32:17,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:32:17,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:32:17,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:32:17,784 INFO L87 Difference]: Start difference. First operand 1642 states and 1926 transitions. Second operand 7 states. [2020-10-26 22:32:19,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:32:19,504 INFO L93 Difference]: Finished difference Result 3441 states and 4035 transitions. [2020-10-26 22:32:19,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-26 22:32:19,514 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 189 [2020-10-26 22:32:19,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:32:19,525 INFO L225 Difference]: With dead ends: 3441 [2020-10-26 22:32:19,525 INFO L226 Difference]: Without dead ends: 1805 [2020-10-26 22:32:19,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-26 22:32:19,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states. [2020-10-26 22:32:19,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1795. [2020-10-26 22:32:19,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1795 states. [2020-10-26 22:32:19,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1795 states and 2096 transitions. [2020-10-26 22:32:19,590 INFO L78 Accepts]: Start accepts. Automaton has 1795 states and 2096 transitions. Word has length 189 [2020-10-26 22:32:19,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:32:19,590 INFO L481 AbstractCegarLoop]: Abstraction has 1795 states and 2096 transitions. [2020-10-26 22:32:19,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:32:19,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2096 transitions. [2020-10-26 22:32:19,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-26 22:32:19,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:19,595 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:32:19,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 22:32:19,595 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:19,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:19,596 INFO L82 PathProgramCache]: Analyzing trace with hash -716262444, now seen corresponding path program 1 times [2020-10-26 22:32:19,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:19,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [833390030] [2020-10-26 22:32:19,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:19,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:19,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:20,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:21,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:21,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-26 22:32:21,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:32:21,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1439 [2020-10-26 22:32:21,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:21,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:21,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-26 22:32:21,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-26 22:32:21,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:21,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:32:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:21,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:21,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:21,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:32:21,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:21,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-26 22:32:21,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:21,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:32:21,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:21,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:32:21,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:21,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:32:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:21,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:21,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:21,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:32:21,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:21,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-26 22:32:21,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:32:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:21,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-26 22:32:21,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:21,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 22:32:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:21,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:21,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:21,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-26 22:32:21,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:21,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-10-26 22:32:21,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:21,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:21,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:32:21,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-26 22:32:21,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 22:32:21,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [833390030] [2020-10-26 22:32:21,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:32:21,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:32:21,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526243353] [2020-10-26 22:32:21,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:32:21,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:32:21,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:32:21,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:32:21,872 INFO L87 Difference]: Start difference. First operand 1795 states and 2096 transitions. Second operand 7 states. [2020-10-26 22:32:23,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:32:23,701 INFO L93 Difference]: Finished difference Result 4041 states and 4817 transitions. [2020-10-26 22:32:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-26 22:32:23,702 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 211 [2020-10-26 22:32:23,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:32:23,713 INFO L225 Difference]: With dead ends: 4041 [2020-10-26 22:32:23,714 INFO L226 Difference]: Without dead ends: 2395 [2020-10-26 22:32:23,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 22:32:23,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2395 states. [2020-10-26 22:32:23,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2395 to 2236. [2020-10-26 22:32:23,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2236 states. [2020-10-26 22:32:23,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 2236 states and 2638 transitions. [2020-10-26 22:32:23,787 INFO L78 Accepts]: Start accepts. Automaton has 2236 states and 2638 transitions. Word has length 211 [2020-10-26 22:32:23,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:32:23,788 INFO L481 AbstractCegarLoop]: Abstraction has 2236 states and 2638 transitions. [2020-10-26 22:32:23,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:32:23,788 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2638 transitions. [2020-10-26 22:32:23,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-10-26 22:32:23,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:23,794 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 22:32:23,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 22:32:23,795 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:23,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:23,795 INFO L82 PathProgramCache]: Analyzing trace with hash -238478380, now seen corresponding path program 1 times [2020-10-26 22:32:23,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:23,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922816472] [2020-10-26 22:32:23,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:23,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:24,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:24,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-26 22:32:24,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:24,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 398 [2020-10-26 22:32:24,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:24,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:24,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-26 22:32:24,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-26 22:32:24,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:24,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:32:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:24,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:24,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:24,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:32:24,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:24,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:32:24,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:24,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:32:24,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:24,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:32:24,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:24,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:32:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:24,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:24,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:24,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-26 22:32:24,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:24,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-26 22:32:24,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:32:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-26 22:32:24,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:24,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-26 22:32:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:24,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:24,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:24,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-26 22:32:24,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:24,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-26 22:32:24,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:24,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:24,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:32:24,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-26 22:32:24,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:24,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-26 22:32:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:24,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:24,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:24,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-26 22:32:24,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:24,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-26 22:32:24,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:24,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:32:24,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-26 22:32:24,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:32:24,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:24,916 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 113 proven. 76 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-26 22:32:24,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922816472] [2020-10-26 22:32:24,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:32:24,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:32:24,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390486620] [2020-10-26 22:32:24,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:32:24,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:32:24,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:32:24,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:32:24,918 INFO L87 Difference]: Start difference. First operand 2236 states and 2638 transitions. Second operand 7 states. [2020-10-26 22:32:26,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:32:26,875 INFO L93 Difference]: Finished difference Result 4349 states and 5220 transitions. [2020-10-26 22:32:26,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:32:26,876 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 267 [2020-10-26 22:32:26,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:32:26,890 INFO L225 Difference]: With dead ends: 4349 [2020-10-26 22:32:26,890 INFO L226 Difference]: Without dead ends: 2262 [2020-10-26 22:32:26,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:32:26,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2262 states. [2020-10-26 22:32:26,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2262 to 1946. [2020-10-26 22:32:26,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1946 states. [2020-10-26 22:32:26,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 2207 transitions. [2020-10-26 22:32:26,982 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 2207 transitions. Word has length 267 [2020-10-26 22:32:26,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:32:26,982 INFO L481 AbstractCegarLoop]: Abstraction has 1946 states and 2207 transitions. [2020-10-26 22:32:26,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:32:26,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2207 transitions. [2020-10-26 22:32:26,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-10-26 22:32:26,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:26,988 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:32:26,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 22:32:26,989 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:26,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:26,989 INFO L82 PathProgramCache]: Analyzing trace with hash -449595728, now seen corresponding path program 1 times [2020-10-26 22:32:26,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:26,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1617443516] [2020-10-26 22:32:26,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:27,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:27,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:27,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-10-26 22:32:27,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:27,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 500 [2020-10-26 22:32:27,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:27,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:27,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 268 [2020-10-26 22:32:27,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-26 22:32:27,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:27,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:32:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:27,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:27,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:27,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:32:27,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:27,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 22:32:27,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:27,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:32:27,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:27,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:32:27,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:27,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:32:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:27,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:27,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:27,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:32:27,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:27,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-26 22:32:27,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:32:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:32:27,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:27,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:32:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:27,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:27,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:27,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-26 22:32:27,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:27,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-26 22:32:27,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:27,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:32:27,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:27,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-10-26 22:32:27,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:28,163 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-26 22:32:28,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1617443516] [2020-10-26 22:32:28,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:32:28,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 22:32:28,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625249711] [2020-10-26 22:32:28,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 22:32:28,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:32:28,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 22:32:28,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 22:32:28,176 INFO L87 Difference]: Start difference. First operand 1946 states and 2207 transitions. Second operand 5 states. [2020-10-26 22:32:29,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:32:29,754 INFO L93 Difference]: Finished difference Result 4184 states and 4774 transitions. [2020-10-26 22:32:29,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 22:32:29,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2020-10-26 22:32:29,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:32:29,767 INFO L225 Difference]: With dead ends: 4184 [2020-10-26 22:32:29,767 INFO L226 Difference]: Without dead ends: 2238 [2020-10-26 22:32:29,771 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 22:32:29,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2238 states. [2020-10-26 22:32:29,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2238 to 2234. [2020-10-26 22:32:29,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2234 states. [2020-10-26 22:32:29,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 2234 states and 2528 transitions. [2020-10-26 22:32:29,839 INFO L78 Accepts]: Start accepts. Automaton has 2234 states and 2528 transitions. Word has length 278 [2020-10-26 22:32:29,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:32:29,840 INFO L481 AbstractCegarLoop]: Abstraction has 2234 states and 2528 transitions. [2020-10-26 22:32:29,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 22:32:29,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 2528 transitions. [2020-10-26 22:32:29,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-10-26 22:32:29,846 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:29,846 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 22:32:29,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-26 22:32:29,847 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:29,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:29,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1316704296, now seen corresponding path program 1 times [2020-10-26 22:32:29,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:29,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910765099] [2020-10-26 22:32:29,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:29,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:30,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:30,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:32,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:34,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:34,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-10-26 22:32:34,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 22:32:34,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4426 [2020-10-26 22:32:34,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 22:32:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-26 22:32:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-26 22:32:34,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:34,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:32:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:34,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:34,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:34,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:32:34,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:34,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 22:32:34,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:34,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:32:34,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:34,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:32:34,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:34,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:32:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:34,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:34,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:34,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:32:34,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:34,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-26 22:32:34,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:32:34,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:34,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-26 22:32:34,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:34,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:32:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:34,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:34,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:34,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-26 22:32:34,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:34,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-26 22:32:34,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:34,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:34,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:32:34,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-26 22:32:34,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-26 22:32:34,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-26 22:32:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:34,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:34,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:34,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:32:34,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:34,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-26 22:32:34,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:34,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:34,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:32:34,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:32:34,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 181 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-26 22:32:35,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910765099] [2020-10-26 22:32:35,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:32:35,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:32:35,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997759705] [2020-10-26 22:32:35,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:32:35,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:32:35,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:32:35,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:32:35,102 INFO L87 Difference]: Start difference. First operand 2234 states and 2528 transitions. Second operand 7 states. [2020-10-26 22:32:37,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:32:37,278 INFO L93 Difference]: Finished difference Result 4629 states and 5308 transitions. [2020-10-26 22:32:37,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:32:37,279 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 282 [2020-10-26 22:32:37,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:32:37,293 INFO L225 Difference]: With dead ends: 4629 [2020-10-26 22:32:37,293 INFO L226 Difference]: Without dead ends: 2544 [2020-10-26 22:32:37,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:32:37,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2020-10-26 22:32:37,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 2536. [2020-10-26 22:32:37,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2536 states. [2020-10-26 22:32:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 2536 states and 2855 transitions. [2020-10-26 22:32:37,367 INFO L78 Accepts]: Start accepts. Automaton has 2536 states and 2855 transitions. Word has length 282 [2020-10-26 22:32:37,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:32:37,368 INFO L481 AbstractCegarLoop]: Abstraction has 2536 states and 2855 transitions. [2020-10-26 22:32:37,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:32:37,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 2855 transitions. [2020-10-26 22:32:37,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-10-26 22:32:37,375 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:37,376 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2020-10-26 22:32:37,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-26 22:32:37,376 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:37,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:37,377 INFO L82 PathProgramCache]: Analyzing trace with hash -696807848, now seen corresponding path program 1 times [2020-10-26 22:32:37,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:37,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [501002679] [2020-10-26 22:32:37,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:37,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:37,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:38,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:39,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:39,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-10-26 22:32:39,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:32:39,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1567 [2020-10-26 22:32:39,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:39,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:39,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-26 22:32:39,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-26 22:32:39,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:39,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:32:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:39,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:39,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:39,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:32:39,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:39,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:32:39,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:39,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:32:39,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:39,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:32:39,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:39,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:32:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:39,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:39,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:39,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 22:32:39,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:39,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-26 22:32:39,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:39,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:32:39,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:39,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:32:39,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 22:32:39,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-26 22:32:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:39,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:39,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:39,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-26 22:32:39,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:39,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-26 22:32:39,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:39,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:32:39,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:39,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-26 22:32:39,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:39,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-26 22:32:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:39,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:39,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:39,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:32:39,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:39,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-26 22:32:39,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:39,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:39,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:32:39,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:32:39,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:39,604 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 187 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-26 22:32:39,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [501002679] [2020-10-26 22:32:39,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:32:39,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-26 22:32:39,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179290001] [2020-10-26 22:32:39,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-26 22:32:39,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:32:39,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-26 22:32:39,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-26 22:32:39,606 INFO L87 Difference]: Start difference. First operand 2536 states and 2855 transitions. Second operand 8 states. [2020-10-26 22:32:42,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:32:42,769 INFO L93 Difference]: Finished difference Result 5657 states and 6461 transitions. [2020-10-26 22:32:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-26 22:32:42,772 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 295 [2020-10-26 22:32:42,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:32:42,788 INFO L225 Difference]: With dead ends: 5657 [2020-10-26 22:32:42,788 INFO L226 Difference]: Without dead ends: 3270 [2020-10-26 22:32:42,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-26 22:32:42,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3270 states. [2020-10-26 22:32:42,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3270 to 3120. [2020-10-26 22:32:42,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3120 states. [2020-10-26 22:32:42,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 3120 states and 3508 transitions. [2020-10-26 22:32:42,898 INFO L78 Accepts]: Start accepts. Automaton has 3120 states and 3508 transitions. Word has length 295 [2020-10-26 22:32:42,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:32:42,899 INFO L481 AbstractCegarLoop]: Abstraction has 3120 states and 3508 transitions. [2020-10-26 22:32:42,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-26 22:32:42,899 INFO L276 IsEmpty]: Start isEmpty. Operand 3120 states and 3508 transitions. [2020-10-26 22:32:42,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-10-26 22:32:42,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:42,907 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-26 22:32:42,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-26 22:32:42,907 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:42,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:42,908 INFO L82 PathProgramCache]: Analyzing trace with hash 665466660, now seen corresponding path program 1 times [2020-10-26 22:32:42,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:42,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1303670394] [2020-10-26 22:32:42,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:43,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:43,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:43,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:45,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:45,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 329 [2020-10-26 22:32:45,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 22:32:45,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2124 [2020-10-26 22:32:45,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:45,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:45,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 230 [2020-10-26 22:32:45,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-26 22:32:45,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:45,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 22:32:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:45,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:45,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:45,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 22:32:45,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:45,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 22:32:45,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:45,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:32:45,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:45,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:32:45,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:45,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 22:32:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:45,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:45,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:45,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-26 22:32:45,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:45,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-26 22:32:45,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:45,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 22:32:45,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:45,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 22:32:45,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:45,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-26 22:32:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:45,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:45,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:45,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-26 22:32:45,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:45,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-26 22:32:45,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:45,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 22:32:45,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 22:32:45,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-26 22:32:45,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:45,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-26 22:32:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 22:32:45,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 22:32:45,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 22:32:45,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-26 22:32:45,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 22:32:45,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-26 22:32:45,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 22:32:45,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 22:32:45,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 22:32:45,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-26 22:32:45,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 22:32:45,786 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 187 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-10-26 22:32:45,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1303670394] [2020-10-26 22:32:45,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 22:32:45,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 22:32:45,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327972018] [2020-10-26 22:32:45,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 22:32:45,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 22:32:45,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 22:32:45,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 22:32:45,788 INFO L87 Difference]: Start difference. First operand 3120 states and 3508 transitions. Second operand 7 states. [2020-10-26 22:32:47,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 22:32:47,899 INFO L93 Difference]: Finished difference Result 6244 states and 7044 transitions. [2020-10-26 22:32:47,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 22:32:47,900 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 313 [2020-10-26 22:32:47,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 22:32:47,917 INFO L225 Difference]: With dead ends: 6244 [2020-10-26 22:32:47,917 INFO L226 Difference]: Without dead ends: 3273 [2020-10-26 22:32:47,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 22:32:47,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3273 states. [2020-10-26 22:32:48,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3273 to 3265. [2020-10-26 22:32:48,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3265 states. [2020-10-26 22:32:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3265 states to 3265 states and 3664 transitions. [2020-10-26 22:32:48,020 INFO L78 Accepts]: Start accepts. Automaton has 3265 states and 3664 transitions. Word has length 313 [2020-10-26 22:32:48,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 22:32:48,021 INFO L481 AbstractCegarLoop]: Abstraction has 3265 states and 3664 transitions. [2020-10-26 22:32:48,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 22:32:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand 3265 states and 3664 transitions. [2020-10-26 22:32:48,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-10-26 22:32:48,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 22:32:48,027 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-26 22:32:48,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-26 22:32:48,028 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 22:32:48,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 22:32:48,028 INFO L82 PathProgramCache]: Analyzing trace with hash -971719596, now seen corresponding path program 1 times [2020-10-26 22:32:48,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 22:32:48,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1612452779] [2020-10-26 22:32:48,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 22:32:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 22:32:48,098 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-26 22:32:48,098 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 22:32:48,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-26 22:32:48,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:32:48 BoogieIcfgContainer [2020-10-26 22:32:48,188 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 22:32:48,192 INFO L168 Benchmark]: Toolchain (without parser) took 56744.61 ms. Allocated memory was 155.2 MB in the beginning and 821.0 MB in the end (delta: 665.8 MB). Free memory was 128.5 MB in the beginning and 512.6 MB in the end (delta: -384.2 MB). Peak memory consumption was 282.3 MB. Max. memory is 8.0 GB. [2020-10-26 22:32:48,193 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 155.2 MB. Free memory is still 127.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 22:32:48,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.47 ms. Allocated memory is still 155.2 MB. Free memory was 127.8 MB in the beginning and 133.6 MB in the end (delta: -5.8 MB). Peak memory consumption was 29.0 MB. Max. memory is 8.0 GB. [2020-10-26 22:32:48,197 INFO L168 Benchmark]: Boogie Preprocessor took 134.85 ms. Allocated memory is still 155.2 MB. Free memory was 133.6 MB in the beginning and 128.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-26 22:32:48,198 INFO L168 Benchmark]: RCFGBuilder took 1465.19 ms. Allocated memory is still 155.2 MB. Free memory was 128.9 MB in the beginning and 109.6 MB in the end (delta: 19.3 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. [2020-10-26 22:32:48,199 INFO L168 Benchmark]: TraceAbstraction took 54340.14 ms. Allocated memory was 155.2 MB in the beginning and 821.0 MB in the end (delta: 665.8 MB). Free memory was 109.0 MB in the beginning and 512.6 MB in the end (delta: -403.6 MB). Peak memory consumption was 262.2 MB. Max. memory is 8.0 GB. [2020-10-26 22:32:48,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 155.2 MB. Free memory is still 127.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 789.47 ms. Allocated memory is still 155.2 MB. Free memory was 127.8 MB in the beginning and 133.6 MB in the end (delta: -5.8 MB). Peak memory consumption was 29.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 134.85 ms. Allocated memory is still 155.2 MB. Free memory was 133.6 MB in the beginning and 128.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1465.19 ms. Allocated memory is still 155.2 MB. Free memory was 128.9 MB in the beginning and 109.6 MB in the end (delta: 19.3 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 54340.14 ms. Allocated memory was 155.2 MB in the beginning and 821.0 MB in the end (delta: 665.8 MB). Free memory was 109.0 MB in the beginning and 512.6 MB in the end (delta: -403.6 MB). Peak memory consumption was 262.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] int inputC = 3; [L10] int inputD = 4; [L11] int inputE = 5; [L12] int inputF = 6; [L13] int inputB = 2; [L16] int a1 = 23; [L17] int a19 = 9; [L18] int a10 = 0; [L19] int a12 = 0; [L20] int a4 = 14; [L581] int output = -1; [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL, EXPR calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L50] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L53] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L56] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L59] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L62] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L65] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L68] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L71] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L74] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L77] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L80] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L83] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L86] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L89] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L92] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L95] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L98] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L101] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L104] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L107] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L110] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L113] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L116] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L119] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L122] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L125] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L128] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L131] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L134] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L137] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L140] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L143] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L146] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L149] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L152] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L155] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L158] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L161] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L164] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L167] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L170] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L173] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L176] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L179] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L182] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L185] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L188] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L191] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L194] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L197] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L200] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L203] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L207] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L212] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L217] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L222] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L227] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L233] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L238] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L241] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L246] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L251] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L256] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L262] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L267] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L273] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L279] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L285] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L288] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L293] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L298] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L303] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L308] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L314] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L319] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L322] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L325] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L328] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L331] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L337] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L342] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L347] COND FALSE !((((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14))) [L353] COND FALSE !((((a12==0) && ((a10==1) && ( 218 < a1 && ((a19==9) && (input == 6))))) && (a4==14))) [L356] COND FALSE !(((a10==0) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 3)) && (a19==10)) && (a4==14))))) [L359] COND FALSE !((((a10==4) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a4==14)) && (a19==9))) && (a12==0))) [L362] COND FALSE !(((a4==14) && ((a10==1) && ((a19==9) && ((a12==0) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4))))))) [L367] COND FALSE !(((a4==14) && ((a19==9) && (((( a1 <= -13 && (a10==3)) || (( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 ))) && (input == 3)) && (a12==0))))) [L372] COND FALSE !((((((a4==14) && ((input == 6) && (a10==1))) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a19==10))) [L377] COND FALSE !(((a4==14) && (((a12==0) && ( 218 < a1 && ((a19==9) && (input == 3)))) && (a10==4)))) [L380] COND FALSE !((((a4==14) && ((a12==0) && ((((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 )) && (input == 4)))) && (a19==9))) [L385] COND FALSE !((((a12==0) && (((a10==4) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3))) && (a4==14))) && (a19==9))) [L390] COND FALSE !(((a19==9) && ((a4==14) && (((input == 5) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ((a10==3) && a1 <= -13 ))) && (a12==0))))) [L395] COND FALSE !(((a12==0) && (((a19==9) && ((((a10==0) && 218 < a1 ) || ( a1 <= -13 && (a10==1))) && (input == 5))) && (a4==14)))) [L400] COND FALSE !(( 218 < a1 && ((((a12==0) && ((a19==9) && (input == 2))) && (a10==4)) && (a4==14)))) [L405] COND FALSE !((((a12==0) && ((a19==9) && ((((a10==3) && a1 <= -13 ) || (((a10==2) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==2)))) && (input == 6)))) && (a4==14))) [L410] COND FALSE !(((a19==9) && ((a12==0) && (((( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ) && (input == 5)) && (a4==14)) && (a10==2))))) [L416] COND FALSE !((((a10==1) && (((a12==0) && ((a19==10) && (input == 4))) && ((-13 < a1) && (38 >= a1)) )) && (a4==14))) [L421] COND FALSE !(((a12==0) && ((a4==14) && ( 218 < a1 && (((a10==1) && (input == 4)) && (a19==10)))))) [L427] COND FALSE !(((((((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0)) && (a19==9)) && (a4==14)) && (a12==0))) [L432] COND FALSE !((((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 6)) && (a19==10))) && (a12==0))) [L438] COND FALSE !(((a19==9) && ((((input == 4) && (( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 ))) && (a12==0)) && (a4==14)))) [L444] COND FALSE !((((a19==10) && ((a12==0) && ((((a10==1) && a1 <= -13 ) || (( ((38 < a1) && (218 >= a1)) && (a10==0)) || ((a10==0) && 218 < a1 ))) && (input == 3)))) && (a4==14))) [L450] COND FALSE !(((a19==9) && (((a4==14) && ((((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4))) && (input == 5))) && (a12==0)))) [L456] COND FALSE !((((a12==0) && ((((input == 5) && (a19==10)) && ((38 < a1) && (218 >= a1)) ) && (a4==14))) && (a10==1))) [L462] COND FALSE !(((a19==9) && ((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 3)) && (a10==1)) && (a12==0))))) [L467] COND FALSE !(((a10==0) && ((a12==0) && ((((input == 5) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a4==14))))) [L473] COND FALSE !(( 218 < a1 && (((((input == 3) && (a10==1)) && (a12==0)) && (a4==14)) && (a19==10)))) [L478] COND FALSE !((((a12==0) && ((a19==9) && (((input == 3) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a4==14)))) && (a10==3))) [L483] COND FALSE !((((((a4==14) && ( ((38 < a1) && (218 >= a1)) && (input == 2))) && (a12==0)) && (a10==1)) && (a19==10))) [L489] COND FALSE !((((a19==10) && ((a10==1) && ((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (input == 5))))) && (a4==14))) [L495] COND FALSE !(((((a10==1) && (((input == 5) && 218 < a1 ) && (a4==14))) && (a19==10)) && (a12==0))) [L501] COND FALSE !((((a4==14) && ((a19==9) && ((input == 2) && (((a10==3) && 218 < a1 ) || ((a10==4) && a1 <= -13 ))))) && (a12==0))) [L506] COND FALSE !((((a4==14) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 2))) && (a12==0))) && (a10==4))) [L511] COND FALSE !(((a4==14) && (((a19==9) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 6)) && (a10==3))) && (a12==0)))) [L516] COND FALSE !((((a4==14) && ((((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a12==0))) && (a10==0))) [L519] COND FALSE !(((a12==0) && ((a4==14) && (((( a1 <= -13 && (a10==1)) || (((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0)))) && (input == 2)) && (a19==10))))) [L525] COND FALSE !((((a12==0) && ((a19==9) && ((a10==2) && ((input == 6) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))))) && (a4==14))) [L528] COND TRUE ((a4==14) && ((a19==9) && ((a12==0) && (((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) )) && (a10==0))))) [L529] a1 = (((a1 * 5) + 278443) - -239546) [L530] return 26; [L592] RET, EXPR calculate_output(input) [L592] output = calculate_output(input) [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL, EXPR calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L50] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L53] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L56] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L59] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L62] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L65] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L68] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L71] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L74] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L77] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L80] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L83] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L86] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L89] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L92] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L95] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L98] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L101] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L104] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L107] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L110] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L113] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L116] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L119] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L122] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L125] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L128] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L131] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L134] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L137] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L140] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L143] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L146] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L149] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L152] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L155] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L158] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L161] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L164] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L167] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L170] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L173] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L176] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L179] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L182] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L185] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L188] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L191] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L194] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L197] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L200] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L203] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L207] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L212] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L217] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L222] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L227] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L233] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L238] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L241] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L246] COND TRUE (((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0)) [L247] a1 = (((((a1 % 25)- -13) - 42605) / 5) - -8517) [L248] a10 = 3 [L250] return 26; [L592] RET, EXPR calculate_output(input) [L592] output = calculate_output(input) [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL, EXPR calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L50] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L53] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L56] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L59] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L62] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L65] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L68] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L71] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L74] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L77] COND FALSE !((((((a10==1) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L80] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L83] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L86] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L89] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L92] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L95] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L98] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L101] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L104] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L107] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L110] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L113] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L116] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L119] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L122] COND FALSE !((((((a10==4) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L125] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L128] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L131] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L134] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L137] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L140] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L143] COND FALSE !((((((a10==1) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L146] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L149] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L152] COND FALSE !((((((a10==0) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L155] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==8))) [L158] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L161] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L164] COND FALSE !((((((a10==0) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L167] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L170] COND FALSE !((((((a10==3) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L173] COND FALSE !((((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==6))) [L176] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L179] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L182] COND FALSE !((((((a10==0) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==6))) [L185] COND FALSE !((((((a10==2) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==7))) [L188] COND FALSE !((((((a10==3) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L191] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L194] COND FALSE !((((((a10==3) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==7))) [L197] COND FALSE !((((((a10==1) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7))) [L200] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==9))) [L203] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L207] COND FALSE !((((a10==4) && ( 218 < a1 && (((input == 4) && (a12==0)) && (a4==14)))) && (a19==9))) [L212] COND FALSE !(((a4==14) && (((a12==0) && ((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 4)) && (a19==9))) && (a10==0)))) [L217] COND FALSE !(((((a4==14) && ((a19==10) && ((a10==1) && (input == 2)))) && (a12==0)) && 218 < a1 )) [L222] COND FALSE !(((a12==0) && ((a19==9) && ((a10==1) && (( 218 < a1 && (input == 3)) && (a4==14)))))) [L227] COND FALSE !(((a19==10) && (((a4==14) && (((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ((a10==0) && 218 < a1 )) || ((a10==1) && a1 <= -13 )) && (input == 5))) && (a12==0)))) [L233] COND FALSE !(((a12==0) && ((a19==9) && (((a4==14) && ((input == 2) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a10==3))))) [L238] COND FALSE !(((a12==0) && ((((a4==14) && ((input == 3) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a10==2)) && (a19==9)))) [L241] COND FALSE !((((a12==0) && ( ((-13 < a1) && (38 >= a1)) && (((input == 3) && (a19==10)) && (a4==14)))) && (a10==1))) [L246] COND FALSE !((((a19==9) && (((input == 6) && (( 218 < a1 && (a10==0)) || ( a1 <= -13 && (a10==1)))) && (a4==14))) && (a12==0))) [L251] COND FALSE !(( ((38 < a1) && (218 >= a1)) && (((a4==14) && ((a19==10) && ((a10==1) && (input == 4)))) && (a12==0)))) [L256] COND FALSE !((((a4==14) && (((( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5)) && (a19==9)) && (a12==0))) && (a10==0))) [L262] COND FALSE !((((a4==14) && ((((((a10==2) && ((38 < a1) && (218 >= a1)) ) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3))) && (input == 2)) && (a19==9))) && (a12==0))) [L267] COND FALSE !((((a10==1) && (((a12==0) && ((input == 6) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a4==14))) && (a19==9))) [L273] COND FALSE !(((((((input == 5) && (a4==14)) && 218 < a1 ) && (a10==4)) && (a19==9)) && (a12==0))) [L279] COND FALSE !(((a19==10) && ((a4==14) && ((a12==0) && ((input == 4) && ((((a10==0) && ((38 < a1) && (218 >= a1)) ) || ( 218 < a1 && (a10==0))) || ((a10==1) && a1 <= -13 ))))))) [L285] COND FALSE !((((a12==0) && ((((a19==9) && (input == 4)) && 218 < a1 ) && (a10==1))) && (a4==14))) [L288] COND FALSE !(((a10==1) && ((a4==14) && ((((a12==0) && (input == 2)) && (a19==9)) && 218 < a1 )))) [L293] COND FALSE !((((a4==14) && (((input == 4) && ((( ((38 < a1) && (218 >= a1)) && (a10==2)) || ((a10==2) && 218 < a1 )) || ( a1 <= -13 && (a10==3)))) && (a19==9))) && (a12==0))) [L298] COND FALSE !(((((a12==0) && ((((a10==0) && 218 < a1 ) || ((a10==1) && a1 <= -13 )) && (input == 2))) && (a19==9)) && (a4==14))) [L303] COND FALSE !((((a4==14) && ((a12==0) && ((input == 3) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))))) && (a19==9))) [L308] COND FALSE !((((((a10==1) && ((a12==0) && (input == 6))) && (a19==10)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14))) [L314] COND FALSE !(((a19==9) && (((a10==4) && ( 218 < a1 && ((a4==14) && (input == 6)))) && (a12==0)))) [L319] COND FALSE !((((a10==0) && ((a12==0) && (((input == 4) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)))) && (a4==14))) [L322] COND FALSE !(((a19==9) && ((((a4==14) && ((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) ))) && (a12==0)) && (a10==2)))) [L325] COND FALSE !((((((a12==0) && ((input == 4) && ( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ))) && (a19==9)) && (a4==14)) && (a10==3))) [L328] COND FALSE !((((a4==14) && (((a12==0) && ( 218 < a1 && (input == 6))) && (a19==10))) && (a10==1))) [L331] COND FALSE !(((((((input == 2) && ( a1 <= -13 || ((-13 < a1) && (38 >= a1)) )) && (a19==10)) && (a10==0)) && (a4==14)) && (a12==0))) [L337] COND FALSE !((((((( 218 < a1 && (a10==0)) || ((a10==1) && a1 <= -13 )) && (input == 3)) && (a4==14)) && (a12==0)) && (a19==9))) [L342] COND FALSE !(((a12==0) && ((a19==9) && (((input == 6) && (((a10==3) && 218 < a1 ) || ( a1 <= -13 && (a10==4)))) && (a4==14))))) [L347] COND TRUE (((a10==3) && (((a19==9) && (( ((-13 < a1) && (38 >= a1)) || ((38 < a1) && (218 >= a1)) ) && (input == 5))) && (a12==0))) && (a4==14)) [L348] a1 = ((((a1 - 287698) - 189392) % 89)+ 206) [L349] a10 = 2 [L350] a19 = 7 [L352] return -1; [L592] RET, EXPR calculate_output(input) [L592] output = calculate_output(input) [L584] COND TRUE 1 [L587] int input; [L588] input = __VERIFIER_nondet_int() [L589] COND FALSE !((input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L592] CALL calculate_output(input) [L23] COND FALSE !((((((a10==4) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==8))) [L26] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==8))) [L29] COND FALSE !((((((a10==0) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L32] COND FALSE !((((((a10==2) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L35] COND FALSE !((((((a10==4) && (a12==0)) && a1 <= -13 ) && (a4==14)) && (a19==6))) [L38] COND FALSE !((((((a10==2) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L41] COND FALSE !((((((a10==3) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==6))) [L44] COND FALSE !((((((a10==4) && (a12==0)) && 218 < a1 ) && (a4==14)) && (a19==8))) [L47] COND FALSE !((((((a10==1) && (a12==0)) && ((-13 < a1) && (38 >= a1)) ) && (a4==14)) && (a19==7))) [L50] COND TRUE (((((a10==2) && (a12==0)) && ((38 < a1) && (218 >= a1)) ) && (a4==14)) && (a19==7)) [L51] CALL reach_error() [L4] __assert_fail("0", "Problem10_label29.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 54.1s, OverallIterations: 13, TraceHistogramMax: 4, AutomataDifference: 26.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 341 SDtfs, 4620 SDslu, 431 SDs, 0 SdLazy, 12036 SolverSat, 1334 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 201 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3265occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 866 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 25.4s InterpolantComputationTime, 2739 NumberOfCodeBlocks, 2739 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2396 ConstructedInterpolants, 0 QuantifiedInterpolants, 1890420 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 1454/1633 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...