/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/Problem10_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:08:08,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:08:08,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:08:08,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:08:08,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:08:08,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:08:08,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:08:08,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:08:08,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:08:08,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:08:08,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:08:08,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:08:08,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:08:08,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:08:08,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:08:08,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:08:08,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:08:08,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:08:08,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:08:08,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:08:08,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:08:08,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:08:08,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:08:08,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:08:08,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 12:08:08,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 12:08:08,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 12:08:08,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 12:08:08,292 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 12:08:08,305 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:08:08,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:08:08,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:08:08,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:08:08,307 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:08:08,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:08:08,307 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:08:08,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:08:08,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:08:08,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:08:08,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:08:08,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:08:08,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:08:08,309 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:08:08,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:08:08,309 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:08:08,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:08:08,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:08:08,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:08:08,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:08:08,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:08:08,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:08:08,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:08:08,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:08:08,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:08:08,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:08:08,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:08:08,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:08:08,312 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:08:08,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:08:08,596 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:08:08,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:08:08,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:08:08,615 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:08:08,616 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:08:08,616 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label05.c [2020-07-17 12:08:08,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad08532a0/7ab3ba564022490182899e995ac83c9d/FLAG2a9bb4931 [2020-07-17 12:08:09,224 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:08:09,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label05.c [2020-07-17 12:08:09,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad08532a0/7ab3ba564022490182899e995ac83c9d/FLAG2a9bb4931 [2020-07-17 12:08:09,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad08532a0/7ab3ba564022490182899e995ac83c9d [2020-07-17 12:08:09,574 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:08:09,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:08:09,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:08:09,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:08:09,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:08:09,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:08:09" (1/1) ... [2020-07-17 12:08:09,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717f8173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:09, skipping insertion in model container [2020-07-17 12:08:09,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:08:09" (1/1) ... [2020-07-17 12:08:09,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:08:09,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:08:10,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:08:10,176 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:08:10,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:08:10,278 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:08:10,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:10 WrapperNode [2020-07-17 12:08:10,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:08:10,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:08:10,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:08:10,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:08:10,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:10" (1/1) ... [2020-07-17 12:08:10,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:10" (1/1) ... [2020-07-17 12:08:10,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:10" (1/1) ... [2020-07-17 12:08:10,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:10" (1/1) ... [2020-07-17 12:08:10,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:10" (1/1) ... [2020-07-17 12:08:10,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:10" (1/1) ... [2020-07-17 12:08:10,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:10" (1/1) ... [2020-07-17 12:08:10,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:08:10,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:08:10,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:08:10,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:08:10,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:08:10,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:08:10,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:08:10,445 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 12:08:10,445 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:08:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 12:08:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:08:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 12:08:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 12:08:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:08:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:08:10,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:08:11,645 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:08:11,646 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 12:08:11,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:08:11 BoogieIcfgContainer [2020-07-17 12:08:11,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:08:11,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:08:11,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:08:11,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:08:11,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:08:09" (1/3) ... [2020-07-17 12:08:11,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6117378e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:08:11, skipping insertion in model container [2020-07-17 12:08:11,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:08:10" (2/3) ... [2020-07-17 12:08:11,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6117378e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:08:11, skipping insertion in model container [2020-07-17 12:08:11,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:08:11" (3/3) ... [2020-07-17 12:08:11,671 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label05.c [2020-07-17 12:08:11,681 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:08:11,693 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:08:11,710 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:08:11,749 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:08:11,749 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:08:11,750 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:08:11,750 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:08:11,750 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:08:11,751 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:08:11,751 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:08:11,751 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:08:11,781 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-17 12:08:11,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-17 12:08:11,798 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:11,799 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] [2020-07-17 12:08:11,800 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:11,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:11,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1575146953, now seen corresponding path program 1 times [2020-07-17 12:08:11,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:11,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510795821] [2020-07-17 12:08:11,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:12,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:12,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510795821] [2020-07-17 12:08:12,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:08:12,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 12:08:12,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699769991] [2020-07-17 12:08:12,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:08:12,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:12,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:08:12,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:08:12,218 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-17 12:08:14,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:14,310 INFO L93 Difference]: Finished difference Result 730 states and 1300 transitions. [2020-07-17 12:08:14,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 12:08:14,312 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-07-17 12:08:14,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:14,345 INFO L225 Difference]: With dead ends: 730 [2020-07-17 12:08:14,346 INFO L226 Difference]: Without dead ends: 447 [2020-07-17 12:08:14,358 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 [2020-07-17 12:08:14,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-17 12:08:14,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-07-17 12:08:14,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-07-17 12:08:14,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 595 transitions. [2020-07-17 12:08:14,443 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 595 transitions. Word has length 58 [2020-07-17 12:08:14,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:14,443 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 595 transitions. [2020-07-17 12:08:14,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:08:14,444 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 595 transitions. [2020-07-17 12:08:14,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-07-17 12:08:14,450 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:14,451 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:08:14,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:08:14,451 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:14,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:14,452 INFO L82 PathProgramCache]: Analyzing trace with hash -2085474635, now seen corresponding path program 1 times [2020-07-17 12:08:14,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:14,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200220999] [2020-07-17 12:08:14,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:14,792 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 34 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:14,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200220999] [2020-07-17 12:08:14,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150741153] [2020-07-17 12:08:14,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:14,880 INFO L264 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:08:14,890 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:08:14,956 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:14,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:08:14,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2020-07-17 12:08:14,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322712989] [2020-07-17 12:08:14,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:08:14,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:14,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:08:14,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-17 12:08:14,960 INFO L87 Difference]: Start difference. First operand 443 states and 595 transitions. Second operand 3 states. [2020-07-17 12:08:15,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:15,618 INFO L93 Difference]: Finished difference Result 880 states and 1198 transitions. [2020-07-17 12:08:15,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:08:15,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2020-07-17 12:08:15,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:15,629 INFO L225 Difference]: With dead ends: 880 [2020-07-17 12:08:15,629 INFO L226 Difference]: Without dead ends: 878 [2020-07-17 12:08:15,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-17 12:08:15,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2020-07-17 12:08:15,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 735. [2020-07-17 12:08:15,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2020-07-17 12:08:15,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1029 transitions. [2020-07-17 12:08:15,686 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1029 transitions. Word has length 137 [2020-07-17 12:08:15,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:15,687 INFO L479 AbstractCegarLoop]: Abstraction has 735 states and 1029 transitions. [2020-07-17 12:08:15,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:08:15,687 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1029 transitions. [2020-07-17 12:08:15,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-07-17 12:08:15,694 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:15,694 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 12:08:15,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-17 12:08:15,910 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:15,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:15,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1012567534, now seen corresponding path program 1 times [2020-07-17 12:08:15,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:15,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616811929] [2020-07-17 12:08:15,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:16,235 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:16,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616811929] [2020-07-17 12:08:16,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:08:16,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 12:08:16,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741191489] [2020-07-17 12:08:16,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 12:08:16,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:16,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 12:08:16,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:08:16,245 INFO L87 Difference]: Start difference. First operand 735 states and 1029 transitions. Second operand 8 states. [2020-07-17 12:08:17,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:17,594 INFO L93 Difference]: Finished difference Result 1790 states and 2576 transitions. [2020-07-17 12:08:17,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 12:08:17,595 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2020-07-17 12:08:17,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:17,611 INFO L225 Difference]: With dead ends: 1790 [2020-07-17 12:08:17,611 INFO L226 Difference]: Without dead ends: 1061 [2020-07-17 12:08:17,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-07-17 12:08:17,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2020-07-17 12:08:17,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 1035. [2020-07-17 12:08:17,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1035 states. [2020-07-17 12:08:17,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1359 transitions. [2020-07-17 12:08:17,674 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1359 transitions. Word has length 180 [2020-07-17 12:08:17,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:17,675 INFO L479 AbstractCegarLoop]: Abstraction has 1035 states and 1359 transitions. [2020-07-17 12:08:17,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 12:08:17,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1359 transitions. [2020-07-17 12:08:17,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-07-17 12:08:17,682 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:17,682 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:08:17,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 12:08:17,683 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:17,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:17,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1380429733, now seen corresponding path program 1 times [2020-07-17 12:08:17,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:17,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416947706] [2020-07-17 12:08:17,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:17,979 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 169 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 12:08:17,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416947706] [2020-07-17 12:08:17,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836549001] [2020-07-17 12:08:17,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:18,078 INFO L264 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:08:18,084 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:08:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:08:18,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:08:18,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-17 12:08:18,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588698635] [2020-07-17 12:08:18,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 12:08:18,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:18,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 12:08:18,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:08:18,165 INFO L87 Difference]: Start difference. First operand 1035 states and 1359 transitions. Second operand 10 states. [2020-07-17 12:08:20,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:20,215 INFO L93 Difference]: Finished difference Result 2692 states and 3624 transitions. [2020-07-17 12:08:20,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 12:08:20,216 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 210 [2020-07-17 12:08:20,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:20,238 INFO L225 Difference]: With dead ends: 2692 [2020-07-17 12:08:20,238 INFO L226 Difference]: Without dead ends: 1663 [2020-07-17 12:08:20,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 216 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-07-17 12:08:20,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2020-07-17 12:08:20,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1204. [2020-07-17 12:08:20,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2020-07-17 12:08:20,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1496 transitions. [2020-07-17 12:08:20,324 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1496 transitions. Word has length 210 [2020-07-17 12:08:20,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:20,326 INFO L479 AbstractCegarLoop]: Abstraction has 1204 states and 1496 transitions. [2020-07-17 12:08:20,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 12:08:20,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1496 transitions. [2020-07-17 12:08:20,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-07-17 12:08:20,337 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:08:20,337 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 12:08:20,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:20,552 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:08:20,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:08:20,553 INFO L82 PathProgramCache]: Analyzing trace with hash -365732784, now seen corresponding path program 1 times [2020-07-17 12:08:20,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:08:20,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462927820] [2020-07-17 12:08:20,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:08:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:20,906 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 102 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 12:08:20,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462927820] [2020-07-17 12:08:20,908 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228862903] [2020-07-17 12:08:20,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:08:21,003 INFO L264 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:08:21,009 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:08:21,067 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-17 12:08:21,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:08:21,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-17 12:08:21,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270530750] [2020-07-17 12:08:21,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:08:21,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:08:21,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:08:21,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:08:21,069 INFO L87 Difference]: Start difference. First operand 1204 states and 1496 transitions. Second operand 3 states. [2020-07-17 12:08:21,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:08:21,703 INFO L93 Difference]: Finished difference Result 1635 states and 2037 transitions. [2020-07-17 12:08:21,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:08:21,704 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2020-07-17 12:08:21,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:08:21,705 INFO L225 Difference]: With dead ends: 1635 [2020-07-17 12:08:21,705 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 12:08:21,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:08:21,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 12:08:21,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 12:08:21,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 12:08:21,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 12:08:21,710 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2020-07-17 12:08:21,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:08:21,710 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 12:08:21,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:08:21,711 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 12:08:21,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 12:08:21,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:08:21,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 12:08:22,342 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 26 [2020-07-17 12:08:22,496 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:08:22,497 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-17 12:08:22,497 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:08:22,497 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-17 12:08:22,497 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,498 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,498 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,498 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,498 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,498 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,498 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-17 12:08:22,498 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-17 12:08:22,499 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-17 12:08:22,499 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-17 12:08:22,499 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-17 12:08:22,506 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-17 12:08:22,506 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-17 12:08:22,506 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-17 12:08:22,506 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-17 12:08:22,506 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-17 12:08:22,507 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-17 12:08:22,507 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,507 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,507 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,507 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,507 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,507 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-17 12:08:22,508 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-17 12:08:22,508 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-17 12:08:22,508 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-17 12:08:22,508 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-17 12:08:22,508 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-17 12:08:22,508 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-17 12:08:22,508 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-17 12:08:22,508 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-17 12:08:22,509 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-17 12:08:22,509 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-17 12:08:22,509 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-17 12:08:22,509 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-17 12:08:22,511 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2020-07-17 12:08:22,511 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-17 12:08:22,512 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,512 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,512 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,512 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,512 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,512 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-17 12:08:22,512 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-17 12:08:22,513 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-17 12:08:22,513 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-17 12:08:22,513 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-17 12:08:22,513 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-17 12:08:22,513 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-17 12:08:22,513 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-17 12:08:22,513 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-17 12:08:22,513 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-17 12:08:22,514 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,514 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,514 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,514 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,514 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,519 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-17 12:08:22,519 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-17 12:08:22,519 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-17 12:08:22,519 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-17 12:08:22,519 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-17 12:08:22,520 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-17 12:08:22,520 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-17 12:08:22,520 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-17 12:08:22,520 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-17 12:08:22,520 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-17 12:08:22,520 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-17 12:08:22,520 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-17 12:08:22,520 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-17 12:08:22,521 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,521 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,521 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,521 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,521 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,521 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-17 12:08:22,521 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-17 12:08:22,521 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-17 12:08:22,522 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-17 12:08:22,522 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-17 12:08:22,522 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-17 12:08:22,522 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-17 12:08:22,522 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-17 12:08:22,522 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-17 12:08:22,522 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,522 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,523 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,523 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,523 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,523 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,523 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,523 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-17 12:08:22,523 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-17 12:08:22,523 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-17 12:08:22,524 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-17 12:08:22,524 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-17 12:08:22,524 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-17 12:08:22,524 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-17 12:08:22,524 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-17 12:08:22,524 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-17 12:08:22,524 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-17 12:08:22,524 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-17 12:08:22,525 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-17 12:08:22,525 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-17 12:08:22,525 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,525 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,525 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,525 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,525 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-17 12:08:22,525 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,526 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,526 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-17 12:08:22,526 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-17 12:08:22,526 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-17 12:08:22,528 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-17 12:08:22,528 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-17 12:08:22,529 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-17 12:08:22,529 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-17 12:08:22,529 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-17 12:08:22,529 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-17 12:08:22,530 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-17 12:08:22,530 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-17 12:08:22,530 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-17 12:08:22,530 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-17 12:08:22,530 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,530 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,531 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,531 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,531 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,531 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,531 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-17 12:08:22,531 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-17 12:08:22,531 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-17 12:08:22,532 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-17 12:08:22,532 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-17 12:08:22,532 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-17 12:08:22,532 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-17 12:08:22,535 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-17 12:08:22,535 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-17 12:08:22,535 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-17 12:08:22,535 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-17 12:08:22,536 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or (not (<= 7 |old(~a19~0)|)) .cse0 (not (<= |old(~a10~0)| 2))) (or (not (<= |old(~a19~0)| 9)) .cse0 (= 1 |old(~a10~0)|)))) [2020-07-17 12:08:22,536 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-17 12:08:22,537 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-17 12:08:22,537 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-17 12:08:22,537 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,537 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,537 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,537 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,538 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,538 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,538 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-17 12:08:22,538 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-17 12:08:22,538 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-17 12:08:22,538 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-17 12:08:22,538 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-17 12:08:22,539 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-17 12:08:22,539 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-17 12:08:22,539 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-17 12:08:22,539 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-17 12:08:22,539 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-17 12:08:22,539 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-17 12:08:22,540 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-17 12:08:22,540 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-17 12:08:22,540 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,540 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,540 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,540 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,541 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,541 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,541 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-17 12:08:22,541 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-17 12:08:22,541 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-17 12:08:22,541 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-17 12:08:22,541 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-17 12:08:22,542 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-17 12:08:22,542 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-17 12:08:22,542 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-17 12:08:22,542 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-17 12:08:22,542 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-17 12:08:22,542 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-17 12:08:22,543 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-17 12:08:22,543 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,543 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,543 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,543 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,543 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,543 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-17 12:08:22,544 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-17 12:08:22,544 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-17 12:08:22,544 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-17 12:08:22,544 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-17 12:08:22,544 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-17 12:08:22,544 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-17 12:08:22,544 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-17 12:08:22,544 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-17 12:08:22,545 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-17 12:08:22,545 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-17 12:08:22,545 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-17 12:08:22,545 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-17 12:08:22,545 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:08:22,545 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= ~a19~0 9) (<= 8 ~a19~0)) [2020-07-17 12:08:22,545 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 12:08:22,545 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:08:22,546 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= |old(~a10~0)| 0)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-17 12:08:22,546 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-17 12:08:22,546 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (and (<= ~a19~0 9) (not (= 1 ~a10~0))) (not (<= |old(~a10~0)| 0)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (and (<= 7 ~a19~0) (<= ~a10~0 2))) [2020-07-17 12:08:22,546 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-17 12:08:22,546 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-17 12:08:22,546 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (and (<= ~a19~0 9) (not (= 1 ~a10~0))) (not (<= |old(~a10~0)| 0)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (and (<= 7 ~a19~0) (<= ~a10~0 2))) [2020-07-17 12:08:22,546 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-17 12:08:22,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:08:22 BoogieIcfgContainer [2020-07-17 12:08:22,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:08:22,575 INFO L168 Benchmark]: Toolchain (without parser) took 12997.53 ms. Allocated memory was 137.4 MB in the beginning and 431.5 MB in the end (delta: 294.1 MB). Free memory was 100.5 MB in the beginning and 329.7 MB in the end (delta: -229.2 MB). Peak memory consumption was 264.8 MB. Max. memory is 7.1 GB. [2020-07-17 12:08:22,577 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 12:08:22,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.97 ms. Allocated memory was 137.4 MB in the beginning and 203.4 MB in the end (delta: 66.1 MB). Free memory was 100.1 MB in the beginning and 169.1 MB in the end (delta: -69.0 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. [2020-07-17 12:08:22,584 INFO L168 Benchmark]: Boogie Preprocessor took 99.52 ms. Allocated memory is still 203.4 MB. Free memory was 169.1 MB in the beginning and 164.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-17 12:08:22,585 INFO L168 Benchmark]: RCFGBuilder took 1278.31 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 164.1 MB in the beginning and 179.8 MB in the end (delta: -15.8 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2020-07-17 12:08:22,586 INFO L168 Benchmark]: TraceAbstraction took 10910.26 ms. Allocated memory was 234.4 MB in the beginning and 431.5 MB in the end (delta: 197.1 MB). Free memory was 178.4 MB in the beginning and 329.7 MB in the end (delta: -151.3 MB). Peak memory consumption was 245.7 MB. Max. memory is 7.1 GB. [2020-07-17 12:08:22,598 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.97 ms. Allocated memory was 137.4 MB in the beginning and 203.4 MB in the end (delta: 66.1 MB). Free memory was 100.1 MB in the beginning and 169.1 MB in the end (delta: -69.0 MB). Peak memory consumption was 35.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.52 ms. Allocated memory is still 203.4 MB. Free memory was 169.1 MB in the beginning and 164.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1278.31 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 164.1 MB in the beginning and 179.8 MB in the end (delta: -15.8 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10910.26 ms. Allocated memory was 234.4 MB in the beginning and 431.5 MB in the end (delta: 197.1 MB). Free memory was 178.4 MB in the beginning and 329.7 MB in the end (delta: -151.3 MB). Peak memory consumption was 245.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 160]: 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: 582]: Loop Invariant Derived loop invariant: ((((a19 <= 9 && !(1 == a10)) || !(\old(a10) <= 0)) || !(8 <= \old(a19))) || !(\old(a19) <= 9)) || (7 <= a19 && a10 <= 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.1s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 115 SDtfs, 2660 SDslu, 144 SDs, 0 SdLazy, 3471 SolverSat, 1214 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 638 GetRequests, 590 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1204occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 632 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 30 PreInvPairs, 52 NumberOfFragments, 159 HoareAnnotationTreeSize, 30 FomulaSimplifications, 5653 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 965 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1386 NumberOfCodeBlocks, 1386 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1378 ConstructedInterpolants, 0 QuantifiedInterpolants, 586415 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1063 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 767/865 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...