/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_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:34:26,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:34:26,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:34:26,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-09-04 13:34:26,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:34:26,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:34:26,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:34:26,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:34:26,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:34:26,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:34:26,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:34:26,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:34:26,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:34:26,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:34:26,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:34:26,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:34:26,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:34:26,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:34:26,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:34:26,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:34:26,291 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 13:34:26,320 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:34:26,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:34:26,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:34:26,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:34:26,322 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:34:26,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:34:26,323 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:34:26,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:34:26,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:34:26,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:34:26,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:34:26,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:34:26,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:34:26,324 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:34:26,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:34:26,324 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:34:26,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:34:26,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:34:26,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:34:26,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:34:26,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:34:26,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:34:26,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:34:26,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:34:26,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:34:26,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:34:26,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:34:26,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:34:26,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:34:26,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:34:26,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:34:26,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:34:26,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:34:26,779 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:34:26,779 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:34:26,780 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2020-09-04 13:34:26,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c056eee61/0791b8295e20490089628fa583ae18cc/FLAGe8032fb19 [2020-09-04 13:34:27,497 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:34:27,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2020-09-04 13:34:27,524 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c056eee61/0791b8295e20490089628fa583ae18cc/FLAGe8032fb19 [2020-09-04 13:34:27,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c056eee61/0791b8295e20490089628fa583ae18cc [2020-09-04 13:34:27,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:34:27,745 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:34:27,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:34:27,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:34:27,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:34:27,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:34:27" (1/1) ... [2020-09-04 13:34:27,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674884e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:27, skipping insertion in model container [2020-09-04 13:34:27,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:34:27" (1/1) ... [2020-09-04 13:34:27,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:34:27,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:34:28,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:34:28,270 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:34:28,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:34:28,492 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:34:28,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:28 WrapperNode [2020-09-04 13:34:28,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:34:28,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:34:28,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:34:28,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:34:28,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:28" (1/1) ... [2020-09-04 13:34:28,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:28" (1/1) ... [2020-09-04 13:34:28,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:28" (1/1) ... [2020-09-04 13:34:28,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:28" (1/1) ... [2020-09-04 13:34:28,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:28" (1/1) ... [2020-09-04 13:34:28,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:28" (1/1) ... [2020-09-04 13:34:28,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:28" (1/1) ... [2020-09-04 13:34:28,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:34:28,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:34:28,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:34:28,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:34:28,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:28" (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 13:34:28,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:34:28,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:34:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 13:34:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:34:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 13:34:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:34:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:34:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 13:34:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:34:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:34:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:34:29,922 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:34:29,922 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:34:29,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:34:29 BoogieIcfgContainer [2020-09-04 13:34:29,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:34:29,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:34:29,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:34:29,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:34:29,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:34:27" (1/3) ... [2020-09-04 13:34:29,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1a6de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:34:29, skipping insertion in model container [2020-09-04 13:34:29,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:34:28" (2/3) ... [2020-09-04 13:34:29,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1a6de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:34:29, skipping insertion in model container [2020-09-04 13:34:29,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:34:29" (3/3) ... [2020-09-04 13:34:29,948 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label03.c [2020-09-04 13:34:29,957 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:34:29,967 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:34:29,987 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:34:30,018 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:34:30,018 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:34:30,019 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:34:30,019 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:34:30,019 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:34:30,019 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:34:30,019 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:34:30,020 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:34:30,047 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-09-04 13:34:30,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-09-04 13:34:30,062 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:34:30,064 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] [2020-09-04 13:34:30,064 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:34:30,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:34:30,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1255491721, now seen corresponding path program 1 times [2020-09-04 13:34:30,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:34:30,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764926507] [2020-09-04 13:34:30,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:34:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:30,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:34:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:30,716 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 13:34:30,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764926507] [2020-09-04 13:34:30,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:34:30,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 13:34:30,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825375847] [2020-09-04 13:34:30,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:34:30,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:34:30,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:34:30,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:34:30,750 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-09-04 13:34:32,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:34:32,953 INFO L93 Difference]: Finished difference Result 828 states and 1432 transitions. [2020-09-04 13:34:32,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 13:34:32,955 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-09-04 13:34:32,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:34:32,977 INFO L225 Difference]: With dead ends: 828 [2020-09-04 13:34:32,978 INFO L226 Difference]: Without dead ends: 494 [2020-09-04 13:34:32,987 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 13:34:33,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-09-04 13:34:33,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 475. [2020-09-04 13:34:33,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-09-04 13:34:33,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 685 transitions. [2020-09-04 13:34:33,091 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 685 transitions. Word has length 135 [2020-09-04 13:34:33,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:34:33,092 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 685 transitions. [2020-09-04 13:34:33,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:34:33,093 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 685 transitions. [2020-09-04 13:34:33,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-04 13:34:33,100 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:34:33,100 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-04 13:34:33,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:34:33,101 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:34:33,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:34:33,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1491134706, now seen corresponding path program 1 times [2020-09-04 13:34:33,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:34:33,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59443803] [2020-09-04 13:34:33,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:34:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:33,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:34:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:33,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:34:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:33,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-04 13:34:33,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59443803] [2020-09-04 13:34:33,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495102180] [2020-09-04 13:34:33,445 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 13:34:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:33,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:34:33,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:34:33,657 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:34:33,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:34:33,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-09-04 13:34:33,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425628080] [2020-09-04 13:34:33,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:34:33,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:34:33,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:34:33,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:34:33,662 INFO L87 Difference]: Start difference. First operand 475 states and 685 transitions. Second operand 3 states. [2020-09-04 13:34:34,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:34:34,324 INFO L93 Difference]: Finished difference Result 1380 states and 2025 transitions. [2020-09-04 13:34:34,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:34:34,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2020-09-04 13:34:34,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:34:34,332 INFO L225 Difference]: With dead ends: 1380 [2020-09-04 13:34:34,332 INFO L226 Difference]: Without dead ends: 911 [2020-09-04 13:34:34,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:34:34,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2020-09-04 13:34:34,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 621. [2020-09-04 13:34:34,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-09-04 13:34:34,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 912 transitions. [2020-09-04 13:34:34,378 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 912 transitions. Word has length 143 [2020-09-04 13:34:34,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:34:34,379 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 912 transitions. [2020-09-04 13:34:34,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:34:34,379 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 912 transitions. [2020-09-04 13:34:34,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-09-04 13:34:34,383 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:34:34,384 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:34:34,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-09-04 13:34:34,596 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:34:34,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:34:34,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1675646532, now seen corresponding path program 1 times [2020-09-04 13:34:34,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:34:34,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291752027] [2020-09-04 13:34:34,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:34:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:34,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:34:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:34,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:34:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:34,802 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:34:34,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291752027] [2020-09-04 13:34:34,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:34:34,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:34:34,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86378103] [2020-09-04 13:34:34,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:34:34,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:34:34,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:34:34,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:34:34,815 INFO L87 Difference]: Start difference. First operand 621 states and 912 transitions. Second operand 8 states. [2020-09-04 13:34:35,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:34:35,761 INFO L93 Difference]: Finished difference Result 1245 states and 1881 transitions. [2020-09-04 13:34:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 13:34:35,764 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2020-09-04 13:34:35,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:34:35,769 INFO L225 Difference]: With dead ends: 1245 [2020-09-04 13:34:35,769 INFO L226 Difference]: Without dead ends: 630 [2020-09-04 13:34:35,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:34:35,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-09-04 13:34:35,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 609. [2020-09-04 13:34:35,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2020-09-04 13:34:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 837 transitions. [2020-09-04 13:34:35,797 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 837 transitions. Word has length 150 [2020-09-04 13:34:35,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:34:35,797 INFO L479 AbstractCegarLoop]: Abstraction has 609 states and 837 transitions. [2020-09-04 13:34:35,797 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:34:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 837 transitions. [2020-09-04 13:34:35,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 13:34:35,800 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:34:35,801 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:34:35,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 13:34:35,801 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:34:35,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:34:35,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1950441223, now seen corresponding path program 1 times [2020-09-04 13:34:35,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:34:35,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829021088] [2020-09-04 13:34:35,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:34:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:35,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:34:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:36,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:34:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:36,137 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:34:36,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829021088] [2020-09-04 13:34:36,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006911374] [2020-09-04 13:34:36,138 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 13:34:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:36,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:34:36,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:34:36,322 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:34:36,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:34:36,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-09-04 13:34:36,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497861904] [2020-09-04 13:34:36,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:34:36,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:34:36,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:34:36,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:34:36,324 INFO L87 Difference]: Start difference. First operand 609 states and 837 transitions. Second operand 3 states. [2020-09-04 13:34:36,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:34:36,884 INFO L93 Difference]: Finished difference Result 1795 states and 2516 transitions. [2020-09-04 13:34:36,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:34:36,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-09-04 13:34:36,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:34:36,891 INFO L225 Difference]: With dead ends: 1795 [2020-09-04 13:34:36,891 INFO L226 Difference]: Without dead ends: 1192 [2020-09-04 13:34:36,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:34:36,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2020-09-04 13:34:36,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1046. [2020-09-04 13:34:36,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1046 states. [2020-09-04 13:34:36,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1327 transitions. [2020-09-04 13:34:36,927 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1327 transitions. Word has length 161 [2020-09-04 13:34:36,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:34:36,928 INFO L479 AbstractCegarLoop]: Abstraction has 1046 states and 1327 transitions. [2020-09-04 13:34:36,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:34:36,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1327 transitions. [2020-09-04 13:34:36,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-04 13:34:36,932 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:34:36,933 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:34:37,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:34:37,149 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:34:37,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:34:37,150 INFO L82 PathProgramCache]: Analyzing trace with hash -135240400, now seen corresponding path program 1 times [2020-09-04 13:34:37,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:34:37,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801256003] [2020-09-04 13:34:37,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:34:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:37,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:34:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:37,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:34:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:37,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-04 13:34:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:37,416 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:34:37,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801256003] [2020-09-04 13:34:37,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850950433] [2020-09-04 13:34:37,417 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 13:34:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:37,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:34:37,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:34:37,647 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:34:37,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:34:37,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-09-04 13:34:37,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75928999] [2020-09-04 13:34:37,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 13:34:37,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:34:37,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 13:34:37,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:34:37,651 INFO L87 Difference]: Start difference. First operand 1046 states and 1327 transitions. Second operand 10 states. [2020-09-04 13:34:38,324 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2020-09-04 13:34:38,986 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2020-09-04 13:34:42,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:34:42,087 INFO L93 Difference]: Finished difference Result 4370 states and 6209 transitions. [2020-09-04 13:34:42,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-04 13:34:42,088 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 174 [2020-09-04 13:34:42,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:34:42,110 INFO L225 Difference]: With dead ends: 4370 [2020-09-04 13:34:42,110 INFO L226 Difference]: Without dead ends: 3330 [2020-09-04 13:34:42,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=188, Invalid=742, Unknown=0, NotChecked=0, Total=930 [2020-09-04 13:34:42,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3330 states. [2020-09-04 13:34:42,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3330 to 3117. [2020-09-04 13:34:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3117 states. [2020-09-04 13:34:42,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 3852 transitions. [2020-09-04 13:34:42,238 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 3852 transitions. Word has length 174 [2020-09-04 13:34:42,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:34:42,238 INFO L479 AbstractCegarLoop]: Abstraction has 3117 states and 3852 transitions. [2020-09-04 13:34:42,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 13:34:42,239 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 3852 transitions. [2020-09-04 13:34:42,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-09-04 13:34:42,249 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:34:42,249 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-04 13:34:42,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:34:42,466 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:34:42,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:34:42,467 INFO L82 PathProgramCache]: Analyzing trace with hash 863973187, now seen corresponding path program 1 times [2020-09-04 13:34:42,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:34:42,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428407776] [2020-09-04 13:34:42,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:34:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:42,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:34:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:42,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:34:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:42,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-04 13:34:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:42,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-04 13:34:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:42,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-09-04 13:34:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:42,748 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 88 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-09-04 13:34:42,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428407776] [2020-09-04 13:34:42,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602526363] [2020-09-04 13:34:42,749 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:34:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:42,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:34:42,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:34:43,007 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-09-04 13:34:43,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:34:43,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-09-04 13:34:43,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433915726] [2020-09-04 13:34:43,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 13:34:43,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:34:43,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 13:34:43,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:34:43,012 INFO L87 Difference]: Start difference. First operand 3117 states and 3852 transitions. Second operand 10 states. [2020-09-04 13:34:44,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:34:44,356 INFO L93 Difference]: Finished difference Result 5529 states and 6833 transitions. [2020-09-04 13:34:44,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 13:34:44,363 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 223 [2020-09-04 13:34:44,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:34:44,375 INFO L225 Difference]: With dead ends: 5529 [2020-09-04 13:34:44,375 INFO L226 Difference]: Without dead ends: 2962 [2020-09-04 13:34:44,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-09-04 13:34:44,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2962 states. [2020-09-04 13:34:44,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2962 to 2960. [2020-09-04 13:34:44,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2960 states. [2020-09-04 13:34:44,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2960 states and 3406 transitions. [2020-09-04 13:34:44,461 INFO L78 Accepts]: Start accepts. Automaton has 2960 states and 3406 transitions. Word has length 223 [2020-09-04 13:34:44,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:34:44,462 INFO L479 AbstractCegarLoop]: Abstraction has 2960 states and 3406 transitions. [2020-09-04 13:34:44,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 13:34:44,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3406 transitions. [2020-09-04 13:34:44,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-09-04 13:34:44,473 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:34:44,474 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-04 13:34:44,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:34:44,688 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:34:44,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:34:44,689 INFO L82 PathProgramCache]: Analyzing trace with hash -720987205, now seen corresponding path program 1 times [2020-09-04 13:34:44,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:34:44,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489112317] [2020-09-04 13:34:44,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:34:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:44,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:34:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:44,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:34:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:44,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 13:34:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:44,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-04 13:34:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:44,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-04 13:34:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:44,954 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 96 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-09-04 13:34:44,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489112317] [2020-09-04 13:34:44,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344221957] [2020-09-04 13:34:44,955 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:34:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:45,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:34:45,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:34:45,160 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-09-04 13:34:45,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:34:45,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-09-04 13:34:45,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73367197] [2020-09-04 13:34:45,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 13:34:45,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:34:45,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 13:34:45,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:34:45,169 INFO L87 Difference]: Start difference. First operand 2960 states and 3406 transitions. Second operand 10 states. [2020-09-04 13:34:49,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:34:49,578 INFO L93 Difference]: Finished difference Result 5940 states and 6867 transitions. [2020-09-04 13:34:49,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-04 13:34:49,579 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 227 [2020-09-04 13:34:49,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:34:49,590 INFO L225 Difference]: With dead ends: 5940 [2020-09-04 13:34:49,591 INFO L226 Difference]: Without dead ends: 2976 [2020-09-04 13:34:49,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=200, Invalid=792, Unknown=0, NotChecked=0, Total=992 [2020-09-04 13:34:49,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2976 states. [2020-09-04 13:34:49,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2976 to 2969. [2020-09-04 13:34:49,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2969 states. [2020-09-04 13:34:49,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 2969 states and 3263 transitions. [2020-09-04 13:34:49,665 INFO L78 Accepts]: Start accepts. Automaton has 2969 states and 3263 transitions. Word has length 227 [2020-09-04 13:34:49,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:34:49,666 INFO L479 AbstractCegarLoop]: Abstraction has 2969 states and 3263 transitions. [2020-09-04 13:34:49,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 13:34:49,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2969 states and 3263 transitions. [2020-09-04 13:34:49,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-09-04 13:34:49,674 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:34:49,674 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 13:34:49,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-09-04 13:34:49,887 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:34:49,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:34:49,888 INFO L82 PathProgramCache]: Analyzing trace with hash 259892337, now seen corresponding path program 1 times [2020-09-04 13:34:49,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:34:49,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486045216] [2020-09-04 13:34:49,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:34:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:50,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:34:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:50,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:34:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:50,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-04 13:34:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 98 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-09-04 13:34:50,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486045216] [2020-09-04 13:34:50,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575307897] [2020-09-04 13:34:50,305 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:34:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:34:50,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:34:50,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:34:50,474 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-09-04 13:34:50,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:34:50,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-09-04 13:34:50,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812458446] [2020-09-04 13:34:50,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:34:50,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:34:50,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:34:50,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:34:50,477 INFO L87 Difference]: Start difference. First operand 2969 states and 3263 transitions. Second operand 3 states. [2020-09-04 13:34:51,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:34:51,038 INFO L93 Difference]: Finished difference Result 5354 states and 5874 transitions. [2020-09-04 13:34:51,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:34:51,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-09-04 13:34:51,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:34:51,040 INFO L225 Difference]: With dead ends: 5354 [2020-09-04 13:34:51,041 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:34:51,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:34:51,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:34:51,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:34:51,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:34:51,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:34:51,052 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2020-09-04 13:34:51,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:34:51,052 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:34:51,052 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:34:51,053 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:34:51,053 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:34:51,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:34:51,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:34:52,354 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 99 [2020-09-04 13:34:52,538 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 99 [2020-09-04 13:34:53,307 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 59 [2020-09-04 13:34:53,551 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 41 [2020-09-04 13:34:53,769 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 41 [2020-09-04 13:34:53,774 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:34:53,775 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 13:34:53,775 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:34:53,775 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,775 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,776 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,776 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,776 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,776 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-09-04 13:34:53,776 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-09-04 13:34:53,777 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-04 13:34:53,777 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-09-04 13:34:53,777 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-09-04 13:34:53,777 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-09-04 13:34:53,777 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-09-04 13:34:53,777 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-09-04 13:34:53,777 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-09-04 13:34:53,777 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-09-04 13:34:53,777 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-09-04 13:34:53,778 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-09-04 13:34:53,778 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-09-04 13:34:53,778 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,778 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,778 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,778 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,778 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-09-04 13:34:53,778 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,778 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-09-04 13:34:53,778 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-09-04 13:34:53,778 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-09-04 13:34:53,779 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-09-04 13:34:53,779 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-09-04 13:34:53,779 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-09-04 13:34:53,779 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-09-04 13:34:53,779 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-09-04 13:34:53,779 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-09-04 13:34:53,779 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-09-04 13:34:53,779 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-09-04 13:34:53,780 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-09-04 13:34:53,780 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-09-04 13:34:53,780 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-09-04 13:34:53,780 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-09-04 13:34:53,780 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,780 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,780 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,781 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,781 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,781 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 559) no Hoare annotation was computed. [2020-09-04 13:34:53,781 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-09-04 13:34:53,781 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-09-04 13:34:53,781 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-09-04 13:34:53,781 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-04 13:34:53,782 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-09-04 13:34:53,782 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-09-04 13:34:53,782 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-09-04 13:34:53,782 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-09-04 13:34:53,782 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-09-04 13:34:53,782 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-09-04 13:34:53,782 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-09-04 13:34:53,782 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,783 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,783 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,783 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,783 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,783 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-09-04 13:34:53,783 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-09-04 13:34:53,783 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-09-04 13:34:53,784 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-09-04 13:34:53,784 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-09-04 13:34:53,784 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-09-04 13:34:53,784 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-09-04 13:34:53,784 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-09-04 13:34:53,784 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-09-04 13:34:53,784 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-09-04 13:34:53,784 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-09-04 13:34:53,785 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-09-04 13:34:53,785 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-09-04 13:34:53,785 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,785 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,785 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,785 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,785 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,785 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-09-04 13:34:53,786 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-04 13:34:53,786 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-09-04 13:34:53,786 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-09-04 13:34:53,786 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-09-04 13:34:53,786 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-09-04 13:34:53,786 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-09-04 13:34:53,786 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-09-04 13:34:53,786 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-09-04 13:34:53,786 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-09-04 13:34:53,787 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-09-04 13:34:53,787 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-09-04 13:34:53,787 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-09-04 13:34:53,787 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-09-04 13:34:53,787 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-09-04 13:34:53,787 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-09-04 13:34:53,787 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,787 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,788 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,788 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,788 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-09-04 13:34:53,788 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,788 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-09-04 13:34:53,788 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,788 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-09-04 13:34:53,790 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-09-04 13:34:53,790 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-09-04 13:34:53,791 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,791 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,791 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-09-04 13:34:53,791 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-09-04 13:34:53,791 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-09-04 13:34:53,791 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-09-04 13:34:53,791 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-04 13:34:53,791 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-09-04 13:34:53,792 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-09-04 13:34:53,792 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-09-04 13:34:53,792 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-09-04 13:34:53,792 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-09-04 13:34:53,792 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-09-04 13:34:53,792 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,793 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,793 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,793 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,793 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,793 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,793 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-09-04 13:34:53,793 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-09-04 13:34:53,794 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-09-04 13:34:53,794 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-09-04 13:34:53,794 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-09-04 13:34:53,794 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-04 13:34:53,794 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-09-04 13:34:53,794 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-09-04 13:34:53,794 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-09-04 13:34:53,794 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-09-04 13:34:53,794 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-09-04 13:34:53,794 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,795 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,795 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,795 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,795 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,795 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,795 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-09-04 13:34:53,795 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-09-04 13:34:53,795 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-09-04 13:34:53,795 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-09-04 13:34:53,795 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-09-04 13:34:53,795 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-09-04 13:34:53,795 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-09-04 13:34:53,795 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-04 13:34:53,796 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-09-04 13:34:53,796 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-09-04 13:34:53,796 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-09-04 13:34:53,796 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-09-04 13:34:53,796 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-09-04 13:34:53,796 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-09-04 13:34:53,796 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,796 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,796 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,797 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a25~0 1)) (.cse15 (= |old(~a25~0)| 1)) (.cse3 (= ~a28~0 |old(~a28~0)|)) (.cse16 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse17 (= ~a25~0 |old(~a25~0)|)) (.cse6 (= ~a19~0 |old(~a19~0)|))) (let ((.cse7 (and .cse3 .cse16 .cse4 .cse17 .cse6)) (.cse9 (not (<= |old(~a28~0)| 9))) (.cse0 (not .cse15)) (.cse10 (and .cse3 .cse16 .cse4 .cse5 .cse6)) (.cse8 (not (<= |old(~a25~0)| 0))) (.cse11 (not (<= |old(~a19~0)| 0))) (.cse1 (not (<= |old(~a17~0)| 8))) (.cse12 (not (<= |old(~a28~0)| 10))) (.cse2 (not (= |old(~a19~0)| 1))) (.cse14 (not (<= 10 |old(~a28~0)|))) (.cse13 (and .cse16 .cse4 (<= 10 ~a28~0) .cse17 (<= ~a28~0 10) .cse6))) (and (or .cse0 .cse1 .cse2 (not (<= 8 |old(~a17~0)|)) (and .cse3 .cse4 (<= 8 ~a17~0) .cse5 (<= ~a17~0 8) .cse6)) (or .cse1 .cse2 .cse7 .cse8 .cse9) (or .cse0 (not (<= |old(~a28~0)| 7)) .cse1 .cse10 .cse2) (or .cse1 .cse7 .cse8 .cse9 .cse11) (or .cse0 .cse1 .cse12 .cse10 .cse11) (or .cse1 .cse12 .cse8 .cse13 .cse14 .cse11) (or .cse1 .cse12 .cse2 .cse15 .cse14 .cse13)))) [2020-09-04 13:34:53,797 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,797 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,797 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,797 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-09-04 13:34:53,798 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-09-04 13:34:53,798 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-09-04 13:34:53,798 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-09-04 13:34:53,798 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-09-04 13:34:53,798 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-09-04 13:34:53,798 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-09-04 13:34:53,798 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-04 13:34:53,799 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-09-04 13:34:53,799 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-09-04 13:34:53,799 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-09-04 13:34:53,799 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-09-04 13:34:53,799 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-09-04 13:34:53,799 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,799 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,799 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,799 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,799 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,800 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,800 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-09-04 13:34:53,800 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-09-04 13:34:53,800 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-09-04 13:34:53,800 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-09-04 13:34:53,800 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-09-04 13:34:53,800 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-09-04 13:34:53,800 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-04 13:34:53,801 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-09-04 13:34:53,801 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-09-04 13:34:53,801 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-09-04 13:34:53,801 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-09-04 13:34:53,801 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-09-04 13:34:53,801 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-09-04 13:34:53,801 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-09-04 13:34:53,802 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-09-04 13:34:53,802 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-09-04 13:34:53,802 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,802 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,802 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,802 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,802 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-09-04 13:34:53,802 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-09-04 13:34:53,803 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-09-04 13:34:53,803 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-09-04 13:34:53,803 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-09-04 13:34:53,803 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-04 13:34:53,803 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-09-04 13:34:53,803 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-09-04 13:34:53,803 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-04 13:34:53,804 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-04 13:34:53,804 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-09-04 13:34:53,804 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-09-04 13:34:53,804 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-09-04 13:34:53,804 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-09-04 13:34:53,804 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-09-04 13:34:53,804 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-09-04 13:34:53,804 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-09-04 13:34:53,805 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-09-04 13:34:53,805 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-09-04 13:34:53,805 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-09-04 13:34:53,805 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:34:53,805 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (<= 8 ~a17~0) (<= ~a28~0 7) (<= ~a17~0 8) (<= ~a25~0 0)) [2020-09-04 13:34:53,805 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:34:53,805 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:34:53,806 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)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (<= 8 ~a17~0) (<= ~a17~0 8) (= ~a19~0 |old(~a19~0)|))) [2020-09-04 13:34:53,806 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (= ~a25~0 1)) (.cse3 (<= ~a19~0 0)) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a25~0 0)) (.cse4 (<= ~a28~0 10))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 (<= ~a28~0 7) .cse2) (and .cse3 .cse1 .cse2 .cse4) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse2 .cse5 .cse4) (and .cse0 (<= 8 ~a17~0) .cse1 .cse2) (and .cse0 (<= 10 ~a28~0) .cse2 .cse4 (not .cse1)) (and .cse3 .cse2 .cse5 .cse4))) [2020-09-04 13:34:53,806 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-09-04 13:34:53,806 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-09-04 13:34:53,806 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (= ~a25~0 1)) (.cse3 (<= ~a19~0 0)) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a25~0 0)) (.cse4 (<= ~a28~0 10))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 (<= ~a28~0 7) .cse2) (and .cse3 .cse1 .cse2 .cse4) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse2 .cse5 .cse4) (and .cse0 (<= 8 ~a17~0) .cse1 .cse2) (and .cse0 (<= 10 ~a28~0) .cse2 .cse4 (not .cse1)) (and .cse3 .cse2 .cse5 .cse4))) [2020-09-04 13:34:53,807 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-09-04 13:34:53,807 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-09-04 13:34:53,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:34:53 BoogieIcfgContainer [2020-09-04 13:34:53,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:34:53,839 INFO L168 Benchmark]: Toolchain (without parser) took 26095.57 ms. Allocated memory was 138.9 MB in the beginning and 576.7 MB in the end (delta: 437.8 MB). Free memory was 100.5 MB in the beginning and 243.8 MB in the end (delta: -143.3 MB). Peak memory consumption was 455.2 MB. Max. memory is 7.1 GB. [2020-09-04 13:34:53,839 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 13:34:53,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.29 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 100.1 MB in the beginning and 170.7 MB in the end (delta: -70.7 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2020-09-04 13:34:53,841 INFO L168 Benchmark]: Boogie Preprocessor took 135.51 ms. Allocated memory is still 203.4 MB. Free memory was 170.7 MB in the beginning and 165.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-09-04 13:34:53,841 INFO L168 Benchmark]: RCFGBuilder took 1306.52 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 165.7 MB in the beginning and 180.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-09-04 13:34:53,842 INFO L168 Benchmark]: TraceAbstraction took 23898.72 ms. Allocated memory was 235.4 MB in the beginning and 576.7 MB in the end (delta: 341.3 MB). Free memory was 180.9 MB in the beginning and 243.8 MB in the end (delta: -62.9 MB). Peak memory consumption was 439.2 MB. Max. memory is 7.1 GB. [2020-09-04 13:34:53,846 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 747.29 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 100.1 MB in the beginning and 170.7 MB in the end (delta: -70.7 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.51 ms. Allocated memory is still 203.4 MB. Free memory was 170.7 MB in the beginning and 165.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1306.52 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 165.7 MB in the beginning and 180.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23898.72 ms. Allocated memory was 235.4 MB in the beginning and 576.7 MB in the end (delta: 341.3 MB). Free memory was 180.9 MB in the beginning and 243.8 MB in the end (delta: -62.9 MB). Peak memory consumption was 439.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 559]: 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: (((((((((!(\old(a28) <= 7) || !(\old(a17) <= 8)) || !(\old(a19) == 1)) || !(8 <= \old(a17))) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || (((a19 <= 0 && a25 == 1) && a17 <= 8) && a28 <= 10)) || !(\old(a25) <= 0)) || (((a19 == 1 && a17 <= 8) && a25 <= 0) && a28 <= 10)) || (((a19 == 1 && 8 <= a17) && a25 == 1) && a17 <= 8)) || ((((a19 == 1 && 10 <= a28) && a17 <= 8) && a28 <= 10) && !(a25 == 1))) || (((a19 <= 0 && a17 <= 8) && a25 <= 0) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.2s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 15.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 543 SDtfs, 4293 SDslu, 503 SDs, 0 SdLazy, 8926 SolverSat, 1514 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1339 GetRequests, 1238 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3117occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 698 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 98 PreInvPairs, 142 NumberOfFragments, 563 HoareAnnotationTreeSize, 98 FomulaSimplifications, 16525 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2444 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2623 NumberOfCodeBlocks, 2623 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2609 ConstructedInterpolants, 0 QuantifiedInterpolants, 1314091 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2775 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 1016/1120 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...