/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label48.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:36:58,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:36:58,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:36:58,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:36:58,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:36:58,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:36:58,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:36:58,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:36:58,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:36:58,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:36:58,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:36:58,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:36:58,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:36:58,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:36:58,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:36:58,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:36:58,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:36:58,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:36:58,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:36:58,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:36:58,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:36:58,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:36:58,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:36:58,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:36:58,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 13:36:58,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 13:36:58,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 13:36:58,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 13:36:58,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 13:36:58,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 13:36:58,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 13:36:58,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 13:36:58,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 13:36:58,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 13:36:58,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 13:36:58,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 13:36:58,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 13:36:58,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 13:36:58,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:36:58,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:36:58,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:36:58,726 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 [2020-09-04 13:36:58,773 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:36:58,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:36:58,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:36:58,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:36:58,776 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:36:58,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:36:58,777 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:36:58,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:36:58,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:36:58,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:36:58,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:36:58,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:36:58,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:36:58,780 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:36:58,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:36:58,780 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:36:58,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:36:58,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:36:58,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:36:58,781 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:36:58,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:36:58,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:36:58,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:36:58,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:36:58,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:36:58,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:36:58,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:36:58,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:36:58,783 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:36:58,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:36:59,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:36:59,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:36:59,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:36:59,244 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:36:59,244 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:36:59,245 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label48.c [2020-09-04 13:36:59,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae69636a3/bdd6ac21885a4678b6d0adf5bee2c93b/FLAG88c3dfa21 [2020-09-04 13:36:59,931 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:36:59,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label48.c [2020-09-04 13:36:59,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae69636a3/bdd6ac21885a4678b6d0adf5bee2c93b/FLAG88c3dfa21 [2020-09-04 13:37:00,192 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ae69636a3/bdd6ac21885a4678b6d0adf5bee2c93b [2020-09-04 13:37:00,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:37:00,206 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:37:00,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:37:00,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:37:00,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:37:00,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:37:00" (1/1) ... [2020-09-04 13:37:00,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69107900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:37:00, skipping insertion in model container [2020-09-04 13:37:00,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:37:00" (1/1) ... [2020-09-04 13:37:00,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:37:00,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:37:00,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:37:00,769 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:37:00,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:37:01,001 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:37:01,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:37:01 WrapperNode [2020-09-04 13:37:01,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:37:01,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:37:01,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:37:01,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:37:01,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:37:01" (1/1) ... [2020-09-04 13:37:01,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:37:01" (1/1) ... [2020-09-04 13:37:01,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:37:01" (1/1) ... [2020-09-04 13:37:01,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:37:01" (1/1) ... [2020-09-04 13:37:01,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:37:01" (1/1) ... [2020-09-04 13:37:01,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:37:01" (1/1) ... [2020-09-04 13:37:01,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:37:01" (1/1) ... [2020-09-04 13:37:01,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:37:01,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:37:01,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:37:01,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:37:01,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:37:01" (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 [2020-09-04 13:37:01,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:37:01,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:37:01,225 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 13:37:01,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:37:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 13:37:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:37:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:37:01,225 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 13:37:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:37:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:37:01,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:37:02,388 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:37:02,388 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:37:02,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:37:02 BoogieIcfgContainer [2020-09-04 13:37:02,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:37:02,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:37:02,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:37:02,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:37:02,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:37:00" (1/3) ... [2020-09-04 13:37:02,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a6e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:37:02, skipping insertion in model container [2020-09-04 13:37:02,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:37:01" (2/3) ... [2020-09-04 13:37:02,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a6e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:37:02, skipping insertion in model container [2020-09-04 13:37:02,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:37:02" (3/3) ... [2020-09-04 13:37:02,405 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label48.c [2020-09-04 13:37:02,416 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:37:02,426 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:37:02,448 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:37:02,483 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:37:02,483 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:37:02,483 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:37:02,483 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:37:02,483 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:37:02,484 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:37:02,484 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:37:02,484 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:37:02,513 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-04 13:37:02,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-04 13:37:02,530 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:37:02,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:37:02,532 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:37:02,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:37:02,540 INFO L82 PathProgramCache]: Analyzing trace with hash 231210793, now seen corresponding path program 1 times [2020-09-04 13:37:02,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:37:02,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199649307] [2020-09-04 13:37:02,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:37:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:03,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:37:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:03,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:37:03,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199649307] [2020-09-04 13:37:03,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:37:03,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 13:37:03,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287495691] [2020-09-04 13:37:03,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:37:03,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:37:03,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:37:03,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:37:03,220 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-09-04 13:37:05,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:37:05,528 INFO L93 Difference]: Finished difference Result 784 states and 1379 transitions. [2020-09-04 13:37:05,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 13:37:05,530 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-09-04 13:37:05,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:37:05,551 INFO L225 Difference]: With dead ends: 784 [2020-09-04 13:37:05,551 INFO L226 Difference]: Without dead ends: 480 [2020-09-04 13:37:05,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:37:05,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-09-04 13:37:05,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 472. [2020-09-04 13:37:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-09-04 13:37:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 644 transitions. [2020-09-04 13:37:05,654 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 644 transitions. Word has length 143 [2020-09-04 13:37:05,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:37:05,655 INFO L479 AbstractCegarLoop]: Abstraction has 472 states and 644 transitions. [2020-09-04 13:37:05,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:37:05,656 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 644 transitions. [2020-09-04 13:37:05,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-04 13:37:05,665 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:37:05,665 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:37:05,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:37:05,666 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:37:05,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:37:05,666 INFO L82 PathProgramCache]: Analyzing trace with hash -994898784, now seen corresponding path program 1 times [2020-09-04 13:37:05,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:37:05,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256636331] [2020-09-04 13:37:05,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:37:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:05,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:37:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:06,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:37:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:37:06,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256636331] [2020-09-04 13:37:06,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661658289] [2020-09-04 13:37:06,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:37:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:06,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 8 conjunts are in the unsatisfiable core [2020-09-04 13:37:06,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:37:06,390 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-04 13:37:06,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:37:06,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-09-04 13:37:06,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477275358] [2020-09-04 13:37:06,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 13:37:06,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:37:06,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 13:37:06,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:37:06,395 INFO L87 Difference]: Start difference. First operand 472 states and 644 transitions. Second operand 7 states. [2020-09-04 13:37:09,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:37:09,325 INFO L93 Difference]: Finished difference Result 2326 states and 3379 transitions. [2020-09-04 13:37:09,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-04 13:37:09,326 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 156 [2020-09-04 13:37:09,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:37:09,341 INFO L225 Difference]: With dead ends: 2326 [2020-09-04 13:37:09,342 INFO L226 Difference]: Without dead ends: 1860 [2020-09-04 13:37:09,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-09-04 13:37:09,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2020-09-04 13:37:09,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1825. [2020-09-04 13:37:09,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1825 states. [2020-09-04 13:37:09,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1825 states and 2428 transitions. [2020-09-04 13:37:09,455 INFO L78 Accepts]: Start accepts. Automaton has 1825 states and 2428 transitions. Word has length 156 [2020-09-04 13:37:09,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:37:09,456 INFO L479 AbstractCegarLoop]: Abstraction has 1825 states and 2428 transitions. [2020-09-04 13:37:09,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 13:37:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2428 transitions. [2020-09-04 13:37:09,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-09-04 13:37:09,468 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:37:09,469 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:37:09,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-09-04 13:37:09,683 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:37:09,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:37:09,684 INFO L82 PathProgramCache]: Analyzing trace with hash -838595108, now seen corresponding path program 1 times [2020-09-04 13:37:09,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:37:09,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719086455] [2020-09-04 13:37:09,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:37:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:09,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:37:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:09,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:37:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:09,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-04 13:37:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:09,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-09-04 13:37:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:10,021 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 99 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-09-04 13:37:10,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719086455] [2020-09-04 13:37:10,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983871268] [2020-09-04 13:37:10,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:37:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:10,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:37:10,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:37:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-04 13:37:10,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:37:10,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-09-04 13:37:10,314 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142538148] [2020-09-04 13:37:10,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 13:37:10,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:37:10,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 13:37:10,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:37:10,316 INFO L87 Difference]: Start difference. First operand 1825 states and 2428 transitions. Second operand 10 states. [2020-09-04 13:37:15,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:37:15,655 INFO L93 Difference]: Finished difference Result 5138 states and 7071 transitions. [2020-09-04 13:37:15,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-09-04 13:37:15,656 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 243 [2020-09-04 13:37:15,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:37:15,676 INFO L225 Difference]: With dead ends: 5138 [2020-09-04 13:37:15,676 INFO L226 Difference]: Without dead ends: 3022 [2020-09-04 13:37:15,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=276, Invalid=1206, Unknown=0, NotChecked=0, Total=1482 [2020-09-04 13:37:15,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3022 states. [2020-09-04 13:37:15,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3022 to 2993. [2020-09-04 13:37:15,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2993 states. [2020-09-04 13:37:15,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 2993 states and 3507 transitions. [2020-09-04 13:37:15,835 INFO L78 Accepts]: Start accepts. Automaton has 2993 states and 3507 transitions. Word has length 243 [2020-09-04 13:37:15,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:37:15,835 INFO L479 AbstractCegarLoop]: Abstraction has 2993 states and 3507 transitions. [2020-09-04 13:37:15,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 13:37:15,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2993 states and 3507 transitions. [2020-09-04 13:37:15,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-09-04 13:37:15,846 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:37:15,847 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:37:16,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:37:16,063 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:37:16,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:37:16,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1574510118, now seen corresponding path program 1 times [2020-09-04 13:37:16,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:37:16,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344694454] [2020-09-04 13:37:16,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:37:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:16,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:37:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:16,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:37:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:16,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-04 13:37:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:16,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-04 13:37:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:16,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-04 13:37:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:16,355 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 132 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-09-04 13:37:16,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344694454] [2020-09-04 13:37:16,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438980188] [2020-09-04 13:37:16,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:37:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:37:16,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:37:16,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:37:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-09-04 13:37:16,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:37:16,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-09-04 13:37:16,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818598186] [2020-09-04 13:37:16,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 13:37:16,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:37:16,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 13:37:16,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:37:16,572 INFO L87 Difference]: Start difference. First operand 2993 states and 3507 transitions. Second operand 10 states. [2020-09-04 13:37:19,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:37:19,392 INFO L93 Difference]: Finished difference Result 6449 states and 7878 transitions. [2020-09-04 13:37:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-04 13:37:19,395 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 278 [2020-09-04 13:37:19,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:37:19,396 INFO L225 Difference]: With dead ends: 6449 [2020-09-04 13:37:19,396 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:37:19,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-09-04 13:37:19,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:37:19,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:37:19,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:37:19,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:37:19,412 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 278 [2020-09-04 13:37:19,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:37:19,413 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:37:19,413 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 13:37:19,413 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:37:19,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:37:19,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:37:19,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:37:20,863 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 106 [2020-09-04 13:37:21,064 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 106 [2020-09-04 13:37:21,526 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 39 [2020-09-04 13:37:21,830 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 32 [2020-09-04 13:37:22,093 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 32 [2020-09-04 13:37:22,098 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:37:22,098 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-09-04 13:37:22,099 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:37:22,099 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,099 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,100 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,100 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,100 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,100 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-04 13:37:22,101 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-04 13:37:22,101 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-04 13:37:22,101 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-04 13:37:22,101 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-04 13:37:22,101 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-04 13:37:22,101 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-04 13:37:22,102 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-04 13:37:22,102 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-04 13:37:22,102 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-04 13:37:22,102 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-04 13:37:22,102 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-04 13:37:22,102 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-04 13:37:22,103 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,103 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,103 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,103 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,103 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-04 13:37:22,103 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,103 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-04 13:37:22,104 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-04 13:37:22,104 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-04 13:37:22,104 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-04 13:37:22,104 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-04 13:37:22,104 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-04 13:37:22,104 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-04 13:37:22,104 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-04 13:37:22,105 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-04 13:37:22,105 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-04 13:37:22,105 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-04 13:37:22,105 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-04 13:37:22,105 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-04 13:37:22,105 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-04 13:37:22,105 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-04 13:37:22,106 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,106 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,106 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,106 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,106 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,107 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 583) no Hoare annotation was computed. [2020-09-04 13:37:22,107 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-04 13:37:22,107 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-04 13:37:22,107 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-04 13:37:22,107 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-04 13:37:22,107 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-04 13:37:22,107 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-04 13:37:22,108 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-04 13:37:22,108 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-04 13:37:22,108 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-04 13:37:22,108 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-04 13:37:22,108 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-04 13:37:22,108 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,108 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,109 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,109 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,109 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,109 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-04 13:37:22,109 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-04 13:37:22,109 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-04 13:37:22,110 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-04 13:37:22,110 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-04 13:37:22,110 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-04 13:37:22,110 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-04 13:37:22,110 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-04 13:37:22,110 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-04 13:37:22,110 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-04 13:37:22,111 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-04 13:37:22,111 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-04 13:37:22,111 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-04 13:37:22,111 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,111 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,111 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,112 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,112 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,112 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-04 13:37:22,112 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-04 13:37:22,112 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-04 13:37:22,112 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-04 13:37:22,112 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-04 13:37:22,113 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-04 13:37:22,113 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-04 13:37:22,113 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-04 13:37:22,113 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-04 13:37:22,113 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-04 13:37:22,113 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-04 13:37:22,113 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-04 13:37:22,114 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-04 13:37:22,114 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-04 13:37:22,114 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-04 13:37:22,114 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-04 13:37:22,114 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,114 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,114 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,115 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,115 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-04 13:37:22,115 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,115 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-04 13:37:22,115 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,115 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-04 13:37:22,115 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-04 13:37:22,116 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-04 13:37:22,116 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,116 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,116 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-04 13:37:22,116 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-04 13:37:22,117 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-04 13:37:22,117 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-04 13:37:22,117 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-04 13:37:22,117 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-04 13:37:22,117 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-04 13:37:22,117 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-04 13:37:22,117 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-04 13:37:22,118 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-04 13:37:22,118 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-04 13:37:22,118 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,118 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,118 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,118 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,118 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,119 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,119 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-04 13:37:22,119 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-04 13:37:22,119 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-04 13:37:22,119 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-04 13:37:22,119 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-04 13:37:22,119 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-04 13:37:22,120 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-04 13:37:22,120 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-04 13:37:22,120 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-04 13:37:22,120 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-04 13:37:22,120 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-04 13:37:22,120 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,120 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,121 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,121 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,121 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,121 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,121 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-04 13:37:22,121 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-04 13:37:22,122 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-04 13:37:22,122 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-04 13:37:22,122 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-04 13:37:22,122 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-04 13:37:22,122 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-04 13:37:22,122 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-04 13:37:22,122 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-04 13:37:22,123 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-04 13:37:22,123 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-04 13:37:22,123 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-04 13:37:22,123 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-04 13:37:22,123 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-04 13:37:22,123 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,124 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,124 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,124 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse7 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a19~0 |old(~a19~0)|))) (let ((.cse3 (not (<= |old(~a11~0)| 0))) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse1 (and .cse5 .cse6 .cse7 (= ~a25~0 |old(~a25~0)|) .cse8)) (.cse2 (= 11 |old(~a28~0)|)) (.cse4 (not (= |old(~a11~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (<= 10 |old(~a28~0)|)) .cse4) (or (not (= |old(~a25~0)| 1)) .cse0 (and .cse5 .cse6 .cse7 (= ~a25~0 1) .cse8) .cse3) (or .cse0 .cse1 .cse2 .cse4)))) [2020-09-04 13:37:22,124 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,125 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,125 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,125 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-04 13:37:22,125 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-04 13:37:22,125 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-04 13:37:22,125 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-04 13:37:22,125 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-04 13:37:22,126 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-04 13:37:22,126 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-04 13:37:22,126 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-04 13:37:22,126 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-04 13:37:22,126 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-04 13:37:22,126 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-04 13:37:22,127 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-04 13:37:22,127 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-04 13:37:22,127 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,127 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,127 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,127 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,127 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,128 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,128 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-04 13:37:22,128 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-04 13:37:22,128 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-04 13:37:22,128 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-04 13:37:22,128 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-04 13:37:22,129 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-04 13:37:22,129 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-04 13:37:22,129 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-04 13:37:22,129 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-04 13:37:22,129 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-04 13:37:22,129 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-04 13:37:22,129 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-04 13:37:22,129 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-04 13:37:22,130 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-04 13:37:22,130 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-04 13:37:22,130 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-04 13:37:22,130 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,130 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,130 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,130 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,131 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:37:22,131 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-04 13:37:22,131 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-04 13:37:22,131 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-04 13:37:22,131 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-04 13:37:22,131 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-04 13:37:22,131 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-04 13:37:22,132 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-04 13:37:22,132 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-04 13:37:22,132 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-04 13:37:22,132 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-04 13:37:22,132 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-04 13:37:22,132 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-04 13:37:22,132 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-04 13:37:22,133 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-04 13:37:22,133 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-04 13:37:22,133 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-04 13:37:22,133 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-04 13:37:22,133 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-04 13:37:22,133 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-04 13:37:22,134 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:37:22,134 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (<= ~a28~0 7) (<= ~a17~0 8)) [2020-09-04 13:37:22,134 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:37:22,134 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:37:22,134 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (<= |old(~a11~0)| 0))) [2020-09-04 13:37:22,134 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (= ~a11~0 1)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse0 (<= ~a17~0 |old(~a17~0)|)) (.cse2 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (<= 10 ~a28~0) .cse1 .cse2) (and .cse3 .cse0 (= ~a25~0 1)) (and .cse3 .cse0 .cse2) (not (<= |old(~a11~0)| 0)))) [2020-09-04 13:37:22,135 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-04 13:37:22,135 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-04 13:37:22,135 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (= ~a11~0 1)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse0 (<= ~a17~0 |old(~a17~0)|)) (.cse2 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and (<= 10 ~a28~0) .cse1 .cse2) (and .cse3 .cse0 (= ~a25~0 1)) (and .cse3 .cse0 .cse2) (not (<= |old(~a11~0)| 0)))) [2020-09-04 13:37:22,135 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-04 13:37:22,135 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-04 13:37:22,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:37:22 BoogieIcfgContainer [2020-09-04 13:37:22,160 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:37:22,162 INFO L168 Benchmark]: Toolchain (without parser) took 21956.41 ms. Allocated memory was 146.8 MB in the beginning and 501.2 MB in the end (delta: 354.4 MB). Free memory was 100.3 MB in the beginning and 180.5 MB in the end (delta: -80.2 MB). Peak memory consumption was 274.2 MB. Max. memory is 7.1 GB. [2020-09-04 13:37:22,163 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 146.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 13:37:22,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.80 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 100.1 MB in the beginning and 171.9 MB in the end (delta: -71.8 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. [2020-09-04 13:37:22,165 INFO L168 Benchmark]: Boogie Preprocessor took 131.26 ms. Allocated memory is still 205.0 MB. Free memory was 171.9 MB in the beginning and 167.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-09-04 13:37:22,166 INFO L168 Benchmark]: RCFGBuilder took 1261.71 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 167.1 MB in the beginning and 182.9 MB in the end (delta: -15.8 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2020-09-04 13:37:22,167 INFO L168 Benchmark]: TraceAbstraction took 19763.23 ms. Allocated memory was 238.6 MB in the beginning and 501.2 MB in the end (delta: 262.7 MB). Free memory was 182.9 MB in the beginning and 180.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 265.1 MB. Max. memory is 7.1 GB. [2020-09-04 13:37:22,171 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 146.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 794.80 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 100.1 MB in the beginning and 171.9 MB in the end (delta: -71.8 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.26 ms. Allocated memory is still 205.0 MB. Free memory was 171.9 MB in the beginning and 167.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1261.71 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 167.1 MB in the beginning and 182.9 MB in the end (delta: -15.8 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19763.23 ms. Allocated memory was 238.6 MB in the beginning and 501.2 MB in the end (delta: 262.7 MB). Free memory was 182.9 MB in the beginning and 180.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 265.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 583]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((a17 <= \old(a17) && a11 == 1) && !(a28 == 11)) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || ((10 <= a28 && a11 == 1) && !(a28 == 11))) || ((a11 == \old(a11) && a17 <= \old(a17)) && a25 == 1)) || ((a11 == \old(a11) && a17 <= \old(a17)) && !(a28 == 11))) || !(\old(a11) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.1s, OverallIterations: 4, TraceHistogramMax: 5, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 206 SDtfs, 3197 SDslu, 369 SDs, 0 SdLazy, 7324 SolverSat, 1846 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 801 GetRequests, 730 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2993occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 72 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 85 PreInvPairs, 171 NumberOfFragments, 318 HoareAnnotationTreeSize, 85 FomulaSimplifications, 5804 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3613 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1497 NumberOfCodeBlocks, 1497 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1490 ConstructedInterpolants, 0 QuantifiedInterpolants, 629171 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1515 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 650/682 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 correct! Received shutdown request...