/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/Problem02_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-26 20:39:42,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 20:39:42,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 20:39:42,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 20:39:42,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 20:39:42,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 20:39:42,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 20:39:42,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 20:39:42,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 20:39:42,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 20:39:42,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 20:39:42,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 20:39:42,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 20:39:42,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 20:39:42,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 20:39:42,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 20:39:42,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 20:39:42,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 20:39:42,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 20:39:42,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 20:39:42,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 20:39:42,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 20:39:42,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 20:39:42,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 20:39:42,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 20:39:42,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 20:39:42,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 20:39:42,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 20:39:42,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 20:39:42,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 20:39:42,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 20:39:42,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 20:39:42,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 20:39:42,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 20:39:42,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 20:39:42,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 20:39:42,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 20:39:42,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 20:39:42,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 20:39:42,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 20:39:42,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 20:39:42,701 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 20:39:42,729 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 20:39:42,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 20:39:42,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 20:39:42,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 20:39:42,732 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 20:39:42,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 20:39:42,732 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 20:39:42,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 20:39:42,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 20:39:42,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 20:39:42,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 20:39:42,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 20:39:42,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 20:39:42,734 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 20:39:42,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 20:39:42,734 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 20:39:42,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 20:39:42,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 20:39:42,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 20:39:42,735 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 20:39:42,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 20:39:42,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 20:39:42,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 20:39:42,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 20:39:42,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 20:39:42,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 20:39:42,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 20:39:42,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 20:39:42,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 20:39:42,737 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-26 20:39:43,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 20:39:43,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 20:39:43,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 20:39:43,207 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 20:39:43,208 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 20:39:43,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label44.c [2020-10-26 20:39:43,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef007a1bd/08e8b2ffec2d4570b4ade9ef75f23343/FLAGac3b537ff [2020-10-26 20:39:44,180 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 20:39:44,181 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label44.c [2020-10-26 20:39:44,210 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef007a1bd/08e8b2ffec2d4570b4ade9ef75f23343/FLAGac3b537ff [2020-10-26 20:39:44,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ef007a1bd/08e8b2ffec2d4570b4ade9ef75f23343 [2020-10-26 20:39:44,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 20:39:44,400 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-26 20:39:44,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 20:39:44,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 20:39:44,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 20:39:44,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:39:44" (1/1) ... [2020-10-26 20:39:44,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc11229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:44, skipping insertion in model container [2020-10-26 20:39:44,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:39:44" (1/1) ... [2020-10-26 20:39:44,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 20:39:44,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 20:39:44,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:39:44,968 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 20:39:45,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 20:39:45,165 INFO L208 MainTranslator]: Completed translation [2020-10-26 20:39:45,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:45 WrapperNode [2020-10-26 20:39:45,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 20:39:45,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 20:39:45,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 20:39:45,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 20:39:45,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:45" (1/1) ... [2020-10-26 20:39:45,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:45" (1/1) ... [2020-10-26 20:39:45,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:45" (1/1) ... [2020-10-26 20:39:45,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:45" (1/1) ... [2020-10-26 20:39:45,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:45" (1/1) ... [2020-10-26 20:39:45,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:45" (1/1) ... [2020-10-26 20:39:45,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:45" (1/1) ... [2020-10-26 20:39:45,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 20:39:45,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 20:39:45,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 20:39:45,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 20:39:45,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:45" (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 20:39:45,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 20:39:45,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 20:39:45,431 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-26 20:39:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-26 20:39:45,432 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 20:39:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-26 20:39:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 20:39:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-26 20:39:45,433 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-26 20:39:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 20:39:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 20:39:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 20:39:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 20:39:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 20:39:45,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 20:39:45,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 20:39:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 20:39:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 20:39:45,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 20:39:47,303 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 20:39:47,303 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 20:39:47,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:39:47 BoogieIcfgContainer [2020-10-26 20:39:47,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 20:39:47,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 20:39:47,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 20:39:47,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 20:39:47,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:39:44" (1/3) ... [2020-10-26 20:39:47,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a87b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:39:47, skipping insertion in model container [2020-10-26 20:39:47,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:39:45" (2/3) ... [2020-10-26 20:39:47,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a87b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:39:47, skipping insertion in model container [2020-10-26 20:39:47,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:39:47" (3/3) ... [2020-10-26 20:39:47,316 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label44.c [2020-10-26 20:39:47,330 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-26 20:39:47,336 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-26 20:39:47,352 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-26 20:39:47,386 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 20:39:47,386 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 20:39:47,386 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-26 20:39:47,386 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 20:39:47,387 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 20:39:47,387 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 20:39:47,387 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 20:39:47,387 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 20:39:47,417 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-26 20:39:47,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-26 20:39:47,430 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:47,431 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:39:47,431 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:47,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:47,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1257700845, now seen corresponding path program 1 times [2020-10-26 20:39:47,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:47,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896542658] [2020-10-26 20:39:47,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:47,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:48,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:49,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:49,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-26 20:39:49,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:39:49,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1863 [2020-10-26 20:39:49,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:49,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:39:49,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:39:49,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-26 20:39:49,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-26 20:39:49,897 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 20:39:49,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:49,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:49,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:49,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:49,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:49,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-26 20:39:49,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:49,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:49,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:39:49,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:49,973 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 20:39:49,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1896542658] [2020-10-26 20:39:49,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 20:39:49,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 20:39:49,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865799752] [2020-10-26 20:39:49,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 20:39:49,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:50,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 20:39:50,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 20:39:50,011 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-26 20:39:50,274 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-26 20:39:53,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:53,187 INFO L93 Difference]: Finished difference Result 636 states and 1085 transitions. [2020-10-26 20:39:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 20:39:53,189 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2020-10-26 20:39:53,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:53,209 INFO L225 Difference]: With dead ends: 636 [2020-10-26 20:39:53,209 INFO L226 Difference]: Without dead ends: 332 [2020-10-26 20:39:53,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 20:39:53,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-10-26 20:39:53,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 326. [2020-10-26 20:39:53,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-10-26 20:39:53,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 428 transitions. [2020-10-26 20:39:53,315 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 428 transitions. Word has length 95 [2020-10-26 20:39:53,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:53,316 INFO L481 AbstractCegarLoop]: Abstraction has 326 states and 428 transitions. [2020-10-26 20:39:53,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 20:39:53,316 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 428 transitions. [2020-10-26 20:39:53,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-26 20:39:53,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:53,323 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:39:53,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 20:39:53,323 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:53,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:53,324 INFO L82 PathProgramCache]: Analyzing trace with hash 232135150, now seen corresponding path program 1 times [2020-10-26 20:39:53,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:53,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157401638] [2020-10-26 20:39:53,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:53,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:53,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:53,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:54,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:54,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-26 20:39:54,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:39:54,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1506 [2020-10-26 20:39:54,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:54,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-26 20:39:54,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:39:54,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-26 20:39:54,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:55,113 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 20:39:55,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:55,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:55,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:55,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:55,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:55,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-26 20:39:55,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:55,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:55,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:55,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:39:55,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:55,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:55,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:55,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:55,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:39:55,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:55,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-26 20:39:55,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:55,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:55,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:55,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-26 20:39:55,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:55,327 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-26 20:39:55,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157401638] [2020-10-26 20:39:55,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:55,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 20:39:55,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874123921] [2020-10-26 20:39:55,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-26 20:39:55,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:55,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-26 20:39:55,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-26 20:39:55,336 INFO L87 Difference]: Start difference. First operand 326 states and 428 transitions. Second operand 6 states. [2020-10-26 20:39:55,571 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-26 20:39:58,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:39:58,058 INFO L93 Difference]: Finished difference Result 976 states and 1308 transitions. [2020-10-26 20:39:58,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-26 20:39:58,060 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2020-10-26 20:39:58,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:39:58,069 INFO L225 Difference]: With dead ends: 976 [2020-10-26 20:39:58,069 INFO L226 Difference]: Without dead ends: 656 [2020-10-26 20:39:58,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-26 20:39:58,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2020-10-26 20:39:58,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 644. [2020-10-26 20:39:58,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2020-10-26 20:39:58,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 829 transitions. [2020-10-26 20:39:58,130 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 829 transitions. Word has length 104 [2020-10-26 20:39:58,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:39:58,131 INFO L481 AbstractCegarLoop]: Abstraction has 644 states and 829 transitions. [2020-10-26 20:39:58,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-26 20:39:58,131 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 829 transitions. [2020-10-26 20:39:58,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-26 20:39:58,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:39:58,137 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:39:58,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 20:39:58,138 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:39:58,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:39:58,139 INFO L82 PathProgramCache]: Analyzing trace with hash 813406266, now seen corresponding path program 1 times [2020-10-26 20:39:58,139 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:39:58,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1840032046] [2020-10-26 20:39:58,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:39:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:58,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:58,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:58,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:58,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:58,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-26 20:39:58,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:39:58,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 788 [2020-10-26 20:39:58,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:58,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:58,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-26 20:39:58,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-26 20:39:58,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:59,163 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 20:39:59,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:39:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:59,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:59,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:59,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:39:59,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:59,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-26 20:39:59,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:59,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:39:59,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:59,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:39:59,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:59,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:39:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:59,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:59,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:59,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-26 20:39:59,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:59,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-26 20:39:59,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:59,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:39:59,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:39:59,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-26 20:39:59,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:39:59,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-26 20:39:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:39:59,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:39:59,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:39:59,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-26 20:39:59,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:39:59,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-26 20:39:59,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:39:59,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:39:59,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:39:59,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-26 20:39:59,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:39:59,347 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 20:39:59,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1840032046] [2020-10-26 20:39:59,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:39:59,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:39:59,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013651318] [2020-10-26 20:39:59,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:39:59,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:39:59,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:39:59,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:39:59,354 INFO L87 Difference]: Start difference. First operand 644 states and 829 transitions. Second operand 7 states. [2020-10-26 20:39:59,691 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-26 20:40:00,300 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-26 20:40:02,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:40:02,865 INFO L93 Difference]: Finished difference Result 1615 states and 2160 transitions. [2020-10-26 20:40:02,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 20:40:02,867 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 112 [2020-10-26 20:40:02,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:40:02,875 INFO L225 Difference]: With dead ends: 1615 [2020-10-26 20:40:02,875 INFO L226 Difference]: Without dead ends: 977 [2020-10-26 20:40:02,878 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:40:02,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-10-26 20:40:02,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 954. [2020-10-26 20:40:02,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 954 states. [2020-10-26 20:40:02,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1175 transitions. [2020-10-26 20:40:02,951 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1175 transitions. Word has length 112 [2020-10-26 20:40:02,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:40:02,952 INFO L481 AbstractCegarLoop]: Abstraction has 954 states and 1175 transitions. [2020-10-26 20:40:02,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:40:02,953 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1175 transitions. [2020-10-26 20:40:02,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-26 20:40:02,967 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:40:02,969 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:40:02,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 20:40:02,970 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:40:02,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:40:02,970 INFO L82 PathProgramCache]: Analyzing trace with hash -796571646, now seen corresponding path program 1 times [2020-10-26 20:40:02,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:40:02,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1871645369] [2020-10-26 20:40:02,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:40:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:03,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:03,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:03,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:03,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:03,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-26 20:40:03,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-26 20:40:03,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 832 [2020-10-26 20:40:03,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:03,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:03,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-26 20:40:03,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-26 20:40:03,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:04,050 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 20:40:04,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:40:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:04,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:04,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:04,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:40:04,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:04,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-26 20:40:04,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:04,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:40:04,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:04,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:40:04,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:04,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:40:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:04,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:04,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:04,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:40:04,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:04,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-26 20:40:04,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:04,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:04,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:04,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-26 20:40:04,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:04,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:40:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:04,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:04,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:04,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-26 20:40:04,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:04,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-26 20:40:04,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:04,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:04,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:40:04,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-26 20:40:04,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:04,221 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-26 20:40:04,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1871645369] [2020-10-26 20:40:04,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:40:04,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:40:04,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640709939] [2020-10-26 20:40:04,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:40:04,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:40:04,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:40:04,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:40:04,225 INFO L87 Difference]: Start difference. First operand 954 states and 1175 transitions. Second operand 7 states. [2020-10-26 20:40:04,641 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-26 20:40:05,913 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-26 20:40:07,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:40:07,707 INFO L93 Difference]: Finished difference Result 2266 states and 2906 transitions. [2020-10-26 20:40:07,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-26 20:40:07,708 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 116 [2020-10-26 20:40:07,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:40:07,721 INFO L225 Difference]: With dead ends: 2266 [2020-10-26 20:40:07,721 INFO L226 Difference]: Without dead ends: 1318 [2020-10-26 20:40:07,725 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 20:40:07,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2020-10-26 20:40:07,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1279. [2020-10-26 20:40:07,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1279 states. [2020-10-26 20:40:07,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1547 transitions. [2020-10-26 20:40:07,806 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1547 transitions. Word has length 116 [2020-10-26 20:40:07,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:40:07,807 INFO L481 AbstractCegarLoop]: Abstraction has 1279 states and 1547 transitions. [2020-10-26 20:40:07,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:40:07,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1547 transitions. [2020-10-26 20:40:07,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-26 20:40:07,814 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:40:07,814 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 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 20:40:07,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 20:40:07,814 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:40:07,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:40:07,816 INFO L82 PathProgramCache]: Analyzing trace with hash -2003601776, now seen corresponding path program 1 times [2020-10-26 20:40:07,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:40:07,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [859854427] [2020-10-26 20:40:07,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:40:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:07,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:07,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:08,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:08,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:09,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:10,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:10,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-26 20:40:10,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-26 20:40:10,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2646 [2020-10-26 20:40:10,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-26 20:40:10,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-26 20:40:10,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-26 20:40:10,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:10,668 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 20:40:10,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:40:10,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:10,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:10,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:10,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:40:10,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:10,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-26 20:40:10,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:10,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:10,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:10,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-26 20:40:10,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:10,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:40:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:10,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:10,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:10,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-26 20:40:10,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:10,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-26 20:40:10,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:10,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:10,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:40:10,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-26 20:40:10,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:10,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-26 20:40:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:10,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:10,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:10,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-26 20:40:10,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:10,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-26 20:40:10,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:10,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:40:10,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-26 20:40:10,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:40:10,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 20:40:10,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [859854427] [2020-10-26 20:40:10,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:40:10,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:40:10,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46439655] [2020-10-26 20:40:10,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:40:10,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:40:10,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:40:10,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:40:10,835 INFO L87 Difference]: Start difference. First operand 1279 states and 1547 transitions. Second operand 7 states. [2020-10-26 20:40:11,030 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-26 20:40:12,402 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-26 20:40:13,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:40:13,943 INFO L93 Difference]: Finished difference Result 3378 states and 4356 transitions. [2020-10-26 20:40:13,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 20:40:13,944 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2020-10-26 20:40:13,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:40:13,958 INFO L225 Difference]: With dead ends: 3378 [2020-10-26 20:40:13,959 INFO L226 Difference]: Without dead ends: 2105 [2020-10-26 20:40:13,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-26 20:40:13,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2105 states. [2020-10-26 20:40:14,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2105 to 2045. [2020-10-26 20:40:14,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2045 states. [2020-10-26 20:40:14,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 2045 states and 2457 transitions. [2020-10-26 20:40:14,049 INFO L78 Accepts]: Start accepts. Automaton has 2045 states and 2457 transitions. Word has length 124 [2020-10-26 20:40:14,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:40:14,049 INFO L481 AbstractCegarLoop]: Abstraction has 2045 states and 2457 transitions. [2020-10-26 20:40:14,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:40:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 2457 transitions. [2020-10-26 20:40:14,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-26 20:40:14,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:40:14,056 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:40:14,056 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-26 20:40:14,056 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:40:14,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:40:14,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1583772320, now seen corresponding path program 1 times [2020-10-26 20:40:14,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:40:14,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [901355147] [2020-10-26 20:40:14,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:40:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:14,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:14,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:14,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:14,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-26 20:40:14,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-26 20:40:14,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 429 [2020-10-26 20:40:14,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-26 20:40:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-26 20:40:14,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:14,756 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 20:40:14,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:40:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:14,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:14,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:14,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:40:14,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:14,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-26 20:40:14,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:14,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:40:14,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:14,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:40:14,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:14,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:40:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:14,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:14,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:14,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-26 20:40:14,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:14,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-26 20:40:14,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:14,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:40:14,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:14,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:40:14,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:14,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-26 20:40:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:14,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:14,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:14,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-26 20:40:14,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:14,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 20:40:14,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:14,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:14,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:14,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-26 20:40:14,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-26 20:40:14,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [901355147] [2020-10-26 20:40:14,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:40:14,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-26 20:40:14,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247323692] [2020-10-26 20:40:14,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-26 20:40:14,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:40:14,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-26 20:40:14,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-26 20:40:14,954 INFO L87 Difference]: Start difference. First operand 2045 states and 2457 transitions. Second operand 5 states. [2020-10-26 20:40:15,516 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-26 20:40:17,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:40:17,240 INFO L93 Difference]: Finished difference Result 4185 states and 5095 transitions. [2020-10-26 20:40:17,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-26 20:40:17,247 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2020-10-26 20:40:17,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:40:17,262 INFO L225 Difference]: With dead ends: 4185 [2020-10-26 20:40:17,262 INFO L226 Difference]: Without dead ends: 2057 [2020-10-26 20:40:17,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-26 20:40:17,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2020-10-26 20:40:17,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2045. [2020-10-26 20:40:17,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2045 states. [2020-10-26 20:40:17,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 2045 states and 2451 transitions. [2020-10-26 20:40:17,341 INFO L78 Accepts]: Start accepts. Automaton has 2045 states and 2451 transitions. Word has length 137 [2020-10-26 20:40:17,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:40:17,341 INFO L481 AbstractCegarLoop]: Abstraction has 2045 states and 2451 transitions. [2020-10-26 20:40:17,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-26 20:40:17,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 2451 transitions. [2020-10-26 20:40:17,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-26 20:40:17,348 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:40:17,349 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:40:17,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-26 20:40:17,349 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:40:17,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:40:17,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1904581315, now seen corresponding path program 1 times [2020-10-26 20:40:17,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:40:17,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11708767] [2020-10-26 20:40:17,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:40:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:17,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:17,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:18,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:19,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:20,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:20,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-26 20:40:20,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-26 20:40:20,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2781 [2020-10-26 20:40:20,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:20,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:20,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-26 20:40:20,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-26 20:40:20,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:20,346 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 20:40:20,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-26 20:40:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:20,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:20,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:20,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-26 20:40:20,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:20,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-26 20:40:20,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:20,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:40:20,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:20,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:40:20,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:40:20,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-26 20:40:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:20,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:20,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:20,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-26 20:40:20,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:20,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-26 20:40:20,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-26 20:40:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-26 20:40:20,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-26 20:40:20,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-26 20:40:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:20,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:20,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:20,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-26 20:40:20,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:20,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-26 20:40:20,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:20,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-26 20:40:20,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-26 20:40:20,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-26 20:40:20,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:40:20,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-26 20:40:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 20:40:20,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-26 20:40:20,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-26 20:40:20,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-26 20:40:20,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-26 20:40:20,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-26 20:40:20,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-26 20:40:20,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-26 20:40:20,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-26 20:40:20,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-26 20:40:20,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-26 20:40:20,857 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-26 20:40:20,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11708767] [2020-10-26 20:40:20,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-26 20:40:20,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-26 20:40:20,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448326865] [2020-10-26 20:40:20,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-26 20:40:20,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-26 20:40:20,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-26 20:40:20,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-26 20:40:20,860 INFO L87 Difference]: Start difference. First operand 2045 states and 2451 transitions. Second operand 7 states. [2020-10-26 20:40:21,505 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-26 20:40:22,104 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-26 20:40:24,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 20:40:24,104 INFO L93 Difference]: Finished difference Result 3924 states and 4838 transitions. [2020-10-26 20:40:24,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-26 20:40:24,107 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 171 [2020-10-26 20:40:24,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 20:40:24,116 INFO L225 Difference]: With dead ends: 3924 [2020-10-26 20:40:24,116 INFO L226 Difference]: Without dead ends: 1592 [2020-10-26 20:40:24,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-26 20:40:24,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2020-10-26 20:40:24,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1256. [2020-10-26 20:40:24,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2020-10-26 20:40:24,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1430 transitions. [2020-10-26 20:40:24,172 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1430 transitions. Word has length 171 [2020-10-26 20:40:24,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 20:40:24,172 INFO L481 AbstractCegarLoop]: Abstraction has 1256 states and 1430 transitions. [2020-10-26 20:40:24,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-26 20:40:24,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1430 transitions. [2020-10-26 20:40:24,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-26 20:40:24,177 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 20:40:24,177 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 20:40:24,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-26 20:40:24,178 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 20:40:24,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 20:40:24,178 INFO L82 PathProgramCache]: Analyzing trace with hash -194736007, now seen corresponding path program 1 times [2020-10-26 20:40:24,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-26 20:40:24,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871393858] [2020-10-26 20:40:24,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 20:40:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 20:40:24,218 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-26 20:40:24,219 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 20:40:24,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-26 20:40:24,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:40:24 BoogieIcfgContainer [2020-10-26 20:40:24,260 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 20:40:24,262 INFO L168 Benchmark]: Toolchain (without parser) took 39866.04 ms. Allocated memory was 159.4 MB in the beginning and 480.2 MB in the end (delta: 320.9 MB). Free memory was 139.0 MB in the beginning and 287.0 MB in the end (delta: -148.1 MB). Peak memory consumption was 172.8 MB. Max. memory is 8.0 GB. [2020-10-26 20:40:24,263 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 159.4 MB. Free memory was 131.6 MB in the beginning and 131.5 MB in the end (delta: 141.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-26 20:40:24,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.44 ms. Allocated memory is still 159.4 MB. Free memory was 138.2 MB in the beginning and 133.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 19.3 MB. Max. memory is 8.0 GB. [2020-10-26 20:40:24,264 INFO L168 Benchmark]: Boogie Preprocessor took 171.74 ms. Allocated memory is still 159.4 MB. Free memory was 133.3 MB in the beginning and 128.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:40:24,265 INFO L168 Benchmark]: RCFGBuilder took 1966.14 ms. Allocated memory is still 159.4 MB. Free memory was 128.6 MB in the beginning and 80.5 MB in the end (delta: 48.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 8.0 GB. [2020-10-26 20:40:24,266 INFO L168 Benchmark]: TraceAbstraction took 36951.78 ms. Allocated memory was 159.4 MB in the beginning and 480.2 MB in the end (delta: 320.9 MB). Free memory was 79.9 MB in the beginning and 287.0 MB in the end (delta: -207.1 MB). Peak memory consumption was 113.8 MB. Max. memory is 8.0 GB. [2020-10-26 20:40:24,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 159.4 MB. Free memory was 131.6 MB in the beginning and 131.5 MB in the end (delta: 141.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 764.44 ms. Allocated memory is still 159.4 MB. Free memory was 138.2 MB in the beginning and 133.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 19.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 171.74 ms. Allocated memory is still 159.4 MB. Free memory was 133.3 MB in the beginning and 128.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1966.14 ms. Allocated memory is still 159.4 MB. Free memory was 128.6 MB in the beginning and 80.5 MB in the end (delta: 48.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 36951.78 ms. Allocated memory was 159.4 MB in the beginning and 480.2 MB in the end (delta: 320.9 MB). Free memory was 79.9 MB in the beginning and 287.0 MB in the end (delta: -207.1 MB). Peak memory consumption was 113.8 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 a= 1; [L10] int e= 5; [L11] int d= 4; [L12] int f= 6; [L13] int c= 3; [L16] int u = 21; [L17] int v = 22; [L18] int w = 23; [L19] int x = 24; [L20] int y = 25; [L21] int z = 26; [L24] int a25 = 0; [L25] int a11 = 0; [L26] int a28 = 7; [L27] int a19 = 1; [L28] int a21 = 1; [L29] int a17 = 8; [L605] int output = -1; [L608] COND TRUE 1 [L611] int input; [L612] input = __VERIFIER_nondet_int() [L613] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L616] CALL, EXPR calculate_output(input) [L32] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L37] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L40] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L44] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L49] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L52] COND TRUE ((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7))))) [L53] a28 = 11 [L54] a25 = 1 [L55] return 26; [L616] RET, EXPR calculate_output(input) [L616] output = calculate_output(input) [L608] COND TRUE 1 [L611] int input; [L612] input = __VERIFIER_nondet_int() [L613] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L616] CALL, EXPR calculate_output(input) [L32] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L37] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L40] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L44] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L49] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L52] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L56] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L61] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L67] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L71] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L76] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L84] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L93] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L97] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L101] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L108] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L115] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L121] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L125] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L132] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L136] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L141] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L145] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L150] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L156] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L161] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L167] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L171] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L177] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L181] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L187] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L189] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L191] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L193] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L196] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L200] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L204] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L214] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L217] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L220] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L225] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L227] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L234] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L236] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) [L239] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) [L250] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) [L255] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) [L261] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) [L263] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) [L278] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) [L282] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) [L285] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) [L288] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) [L293] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) [L295] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) [L299] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) [L311] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) [L316] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) [L330] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) [L333] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) [L339] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) [L351] COND TRUE (!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1))) [L352] a28 = 9 [L353] a11 = 1 [L354] a25 = 0 [L355] return -1; [L616] RET, EXPR calculate_output(input) [L616] output = calculate_output(input) [L608] COND TRUE 1 [L611] int input; [L612] input = __VERIFIER_nondet_int() [L613] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L616] CALL calculate_output(input) [L32] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) [L37] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) [L40] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) [L44] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) [L49] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) [L52] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) [L56] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) [L61] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) [L67] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) [L71] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) [L76] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) [L84] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) [L93] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) [L97] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) [L101] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) [L108] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) [L115] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) [L121] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) [L125] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) [L132] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) [L136] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) [L141] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) [L145] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) [L150] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) [L156] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) [L161] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) [L167] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) [L171] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) [L177] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) [L181] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) [L187] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) [L189] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) [L191] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) [L193] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) [L196] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) [L200] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) [L204] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) [L214] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) [L217] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) [L220] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) [L225] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) [L227] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) [L234] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) [L236] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) [L239] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) [L250] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) [L255] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) [L261] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) [L263] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) [L278] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) [L282] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) [L285] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) [L288] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) [L293] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) [L295] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) [L299] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) [L311] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) [L316] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) [L330] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) [L333] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) [L339] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) [L351] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) [L356] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) [L363] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) [L370] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) [L377] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) [L380] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) [L382] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) [L391] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) [L396] COND FALSE !((((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1))) [L400] COND FALSE !((((a17==8)&&((((input==4)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9))))&&(a21==1))&&!(a19==1)))&&!(a11==1))) [L404] COND FALSE !((((!(a11==1)&&((((a19==1)&&(input==5))&&(a17==8))&&(a21==1)))&&(a28==9))&&!(a25==1))) [L406] COND FALSE !((((a11==1)&&((a19==1)&&((a21==1)&&(((a17==9)&&(input==5))&&!(a25==1)))))&&(a28==8))) [L409] COND FALSE !((!(a11==1)&&((a21==1)&&(((a19==1)&&((a17==8)&&((a25==1)&&(input==5))))&&(a28==11))))) [L411] COND FALSE !(((a19==1)&&((a17==8)&&(((((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))&&!(a11==1))&&(a21==1))))) [L416] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8))) [L419] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8))) [L422] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) [L425] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) [L428] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8))) [L431] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==7))) [L434] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7))) [L437] COND TRUE (((((!(a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8)) [L438] CALL reach_error() [L4] __assert_fail("0", "Problem02_label44.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 36.8s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 21.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 286 SDtfs, 2557 SDslu, 433 SDs, 0 SdLazy, 6490 SolverSat, 1054 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2045occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 488 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 13.5s InterpolantComputationTime, 1036 NumberOfCodeBlocks, 1036 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 852 ConstructedInterpolants, 0 QuantifiedInterpolants, 554311 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 222/236 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...