/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/Problem01_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:04:57,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:04:57,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:04:57,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:04:57,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:04:57,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:04:57,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:04:57,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:04:57,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:04:57,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:04:57,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:04:57,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:04:57,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:04:57,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:04:57,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:04:57,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:04:57,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:04:57,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:04:57,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:04:57,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:04:57,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:04:57,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:04:57,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:04:57,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:04:57,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 12:04:57,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 12:04:57,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 12:04:57,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 12:04:57,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 12:04:57,364 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:04:57,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:04:57,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:04:57,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:04:57,366 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:04:57,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:04:57,366 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:04:57,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:04:57,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:04:57,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:04:57,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:04:57,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:04:57,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:04:57,368 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:04:57,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:04:57,368 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:04:57,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:04:57,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:04:57,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:04:57,369 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:04:57,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:04:57,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:04:57,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:04:57,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:04:57,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:04:57,370 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:04:57,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:04:57,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:04:57,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:04:57,371 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:04:57,631 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:04:57,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:04:57,655 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:04:57,656 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:04:57,656 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:04:57,657 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-07-17 12:04:57,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85a3731e8/59b3a2d177a14681b6db84cae273db86/FLAG3836366c2 [2020-07-17 12:04:58,305 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:04:58,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-07-17 12:04:58,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85a3731e8/59b3a2d177a14681b6db84cae273db86/FLAG3836366c2 [2020-07-17 12:04:58,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85a3731e8/59b3a2d177a14681b6db84cae273db86 [2020-07-17 12:04:58,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:04:58,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:04:58,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:04:58,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:04:58,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:04:58,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:04:58" (1/1) ... [2020-07-17 12:04:58,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e628cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:58, skipping insertion in model container [2020-07-17 12:04:58,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:04:58" (1/1) ... [2020-07-17 12:04:58,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:04:58,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:04:59,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:04:59,113 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:04:59,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:04:59,382 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:04:59,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:59 WrapperNode [2020-07-17 12:04:59,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:04:59,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:04:59,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:04:59,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:04:59,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:59" (1/1) ... [2020-07-17 12:04:59,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:59" (1/1) ... [2020-07-17 12:04:59,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:59" (1/1) ... [2020-07-17 12:04:59,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:59" (1/1) ... [2020-07-17 12:04:59,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:59" (1/1) ... [2020-07-17 12:04:59,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:59" (1/1) ... [2020-07-17 12:04:59,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:59" (1/1) ... [2020-07-17 12:04:59,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:04:59,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:04:59,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:04:59,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:04:59,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:04:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:04:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:04:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 12:04:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:04:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 12:04:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:04:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 12:04:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 12:04:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:04:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:04:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:05:00,656 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:05:00,656 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 12:05:00,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:05:00 BoogieIcfgContainer [2020-07-17 12:05:00,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:05:00,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:05:00,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:05:00,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:05:00,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:04:58" (1/3) ... [2020-07-17 12:05:00,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2968a3cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:05:00, skipping insertion in model container [2020-07-17 12:05:00,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:59" (2/3) ... [2020-07-17 12:05:00,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2968a3cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:05:00, skipping insertion in model container [2020-07-17 12:05:00,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:05:00" (3/3) ... [2020-07-17 12:05:00,679 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label26.c [2020-07-17 12:05:00,690 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:05:00,700 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:05:00,714 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:05:00,745 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:05:00,746 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:05:00,746 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:05:00,746 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:05:00,746 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:05:00,747 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:05:00,747 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:05:00,747 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:05:00,767 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-17 12:05:00,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-17 12:05:00,780 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:05:00,781 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] [2020-07-17 12:05:00,781 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:05:00,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:05:00,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1414431897, now seen corresponding path program 1 times [2020-07-17 12:05:00,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:05:00,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205481529] [2020-07-17 12:05:00,799 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:05:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:01,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:05:01,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205481529] [2020-07-17 12:05:01,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:05:01,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 12:05:01,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527216064] [2020-07-17 12:05:01,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:05:01,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:05:01,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:05:01,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:05:01,371 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-17 12:05:02,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:05:02,860 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-07-17 12:05:02,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 12:05:02,863 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-07-17 12:05:02,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:05:02,878 INFO L225 Difference]: With dead ends: 557 [2020-07-17 12:05:02,878 INFO L226 Difference]: Without dead ends: 286 [2020-07-17 12:05:02,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:05:02,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-17 12:05:02,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-07-17 12:05:02,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-17 12:05:02,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-07-17 12:05:02,988 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 109 [2020-07-17 12:05:02,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:05:02,989 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-07-17 12:05:02,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:05:02,990 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-07-17 12:05:02,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-07-17 12:05:02,997 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:05:02,999 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-17 12:05:03,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:05:03,000 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:05:03,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:05:03,000 INFO L82 PathProgramCache]: Analyzing trace with hash -609512656, now seen corresponding path program 1 times [2020-07-17 12:05:03,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:05:03,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667543151] [2020-07-17 12:05:03,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:05:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:03,224 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:05:03,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667543151] [2020-07-17 12:05:03,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:05:03,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 12:05:03,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861772718] [2020-07-17 12:05:03,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 12:05:03,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:05:03,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 12:05:03,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:05:03,229 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 8 states. [2020-07-17 12:05:04,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:05:04,826 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-07-17 12:05:04,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 12:05:04,827 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 119 [2020-07-17 12:05:04,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:05:04,832 INFO L225 Difference]: With dead ends: 713 [2020-07-17 12:05:04,832 INFO L226 Difference]: Without dead ends: 439 [2020-07-17 12:05:04,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-17 12:05:04,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-07-17 12:05:04,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-07-17 12:05:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-07-17 12:05:04,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-07-17 12:05:04,879 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 119 [2020-07-17 12:05:04,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:05:04,880 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-07-17 12:05:04,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 12:05:04,880 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-07-17 12:05:04,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-17 12:05:04,884 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:05:04,885 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-17 12:05:04,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 12:05:04,885 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:05:04,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:05:04,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1252784430, now seen corresponding path program 1 times [2020-07-17 12:05:04,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:05:04,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205690648] [2020-07-17 12:05:04,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:05:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:05,275 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:05:05,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205690648] [2020-07-17 12:05:05,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344915868] [2020-07-17 12:05:05,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:05:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:05,380 INFO L264 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:05:05,391 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:05:05,462 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:05:05,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:05:05,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-17 12:05:05,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803349454] [2020-07-17 12:05:05,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:05:05,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:05:05,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:05:05,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:05:05,465 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2020-07-17 12:05:06,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:05:06,099 INFO L93 Difference]: Finished difference Result 1247 states and 1789 transitions. [2020-07-17 12:05:06,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:05:06,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-07-17 12:05:06,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:05:06,105 INFO L225 Difference]: With dead ends: 1247 [2020-07-17 12:05:06,106 INFO L226 Difference]: Without dead ends: 832 [2020-07-17 12:05:06,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:05:06,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-07-17 12:05:06,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2020-07-17 12:05:06,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-07-17 12:05:06,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions. [2020-07-17 12:05:06,146 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 120 [2020-07-17 12:05:06,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:05:06,147 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions. [2020-07-17 12:05:06,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:05:06,147 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions. [2020-07-17 12:05:06,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-07-17 12:05:06,152 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:05:06,153 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:05:06,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-17 12:05:06,368 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:05:06,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:05:06,369 INFO L82 PathProgramCache]: Analyzing trace with hash 107820154, now seen corresponding path program 1 times [2020-07-17 12:05:06,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:05:06,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589906410] [2020-07-17 12:05:06,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:05:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:05:06,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589906410] [2020-07-17 12:05:06,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181451841] [2020-07-17 12:05:06,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:05:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:06,653 INFO L264 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:05:06,659 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:05:06,705 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:05:06,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:05:06,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-17 12:05:06,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306959244] [2020-07-17 12:05:06,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:05:06,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:05:06,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:05:06,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:05:06,709 INFO L87 Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand 3 states. [2020-07-17 12:05:07,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:05:07,374 INFO L93 Difference]: Finished difference Result 2345 states and 3186 transitions. [2020-07-17 12:05:07,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:05:07,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-07-17 12:05:07,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:05:07,384 INFO L225 Difference]: With dead ends: 2345 [2020-07-17 12:05:07,384 INFO L226 Difference]: Without dead ends: 1519 [2020-07-17 12:05:07,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:05:07,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2020-07-17 12:05:07,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1519. [2020-07-17 12:05:07,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2020-07-17 12:05:07,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1968 transitions. [2020-07-17 12:05:07,437 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1968 transitions. Word has length 126 [2020-07-17 12:05:07,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:05:07,438 INFO L479 AbstractCegarLoop]: Abstraction has 1519 states and 1968 transitions. [2020-07-17 12:05:07,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:05:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1968 transitions. [2020-07-17 12:05:07,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-17 12:05:07,444 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:05:07,444 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2020-07-17 12:05:07,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:05:07,658 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:05:07,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:05:07,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1420721245, now seen corresponding path program 1 times [2020-07-17 12:05:07,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:05:07,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6969985] [2020-07-17 12:05:07,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:05:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:07,823 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 12:05:07,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6969985] [2020-07-17 12:05:07,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994771834] [2020-07-17 12:05:07,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:05:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:07,942 INFO L264 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:05:07,947 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:05:08,019 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-17 12:05:08,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:05:08,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-17 12:05:08,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615427433] [2020-07-17 12:05:08,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:05:08,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:05:08,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:05:08,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:05:08,024 INFO L87 Difference]: Start difference. First operand 1519 states and 1968 transitions. Second operand 3 states. [2020-07-17 12:05:08,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:05:08,954 INFO L93 Difference]: Finished difference Result 4126 states and 5489 transitions. [2020-07-17 12:05:08,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:05:08,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-07-17 12:05:08,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:05:08,975 INFO L225 Difference]: With dead ends: 4126 [2020-07-17 12:05:08,975 INFO L226 Difference]: Without dead ends: 2613 [2020-07-17 12:05:08,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:05:08,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2613 states. [2020-07-17 12:05:09,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2613 to 2478. [2020-07-17 12:05:09,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2478 states. [2020-07-17 12:05:09,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2478 states and 3239 transitions. [2020-07-17 12:05:09,085 INFO L78 Accepts]: Start accepts. Automaton has 2478 states and 3239 transitions. Word has length 145 [2020-07-17 12:05:09,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:05:09,085 INFO L479 AbstractCegarLoop]: Abstraction has 2478 states and 3239 transitions. [2020-07-17 12:05:09,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:05:09,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2478 states and 3239 transitions. [2020-07-17 12:05:09,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-07-17 12:05:09,096 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:05:09,097 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, 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] [2020-07-17 12:05:09,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:05:09,312 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:05:09,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:05:09,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1995296009, now seen corresponding path program 1 times [2020-07-17 12:05:09,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:05:09,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808413330] [2020-07-17 12:05:09,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:05:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:09,518 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 12:05:09,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808413330] [2020-07-17 12:05:09,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554726916] [2020-07-17 12:05:09,519 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-07-17 12:05:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:09,640 INFO L264 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:05:09,651 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:05:09,789 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:05:09,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:05:09,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-17 12:05:09,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446358767] [2020-07-17 12:05:09,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 12:05:09,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:05:09,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 12:05:09,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:05:09,793 INFO L87 Difference]: Start difference. First operand 2478 states and 3239 transitions. Second operand 10 states. [2020-07-17 12:05:10,107 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2020-07-17 12:05:14,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:05:14,201 INFO L93 Difference]: Finished difference Result 6903 states and 9439 transitions. [2020-07-17 12:05:14,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-17 12:05:14,202 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2020-07-17 12:05:14,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:05:14,235 INFO L225 Difference]: With dead ends: 6903 [2020-07-17 12:05:14,236 INFO L226 Difference]: Without dead ends: 4431 [2020-07-17 12:05:14,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 182 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=162, Invalid=594, Unknown=0, NotChecked=0, Total=756 [2020-07-17 12:05:14,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4431 states. [2020-07-17 12:05:14,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4431 to 3088. [2020-07-17 12:05:14,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3088 states. [2020-07-17 12:05:14,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 3088 states and 3846 transitions. [2020-07-17 12:05:14,421 INFO L78 Accepts]: Start accepts. Automaton has 3088 states and 3846 transitions. Word has length 169 [2020-07-17 12:05:14,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:05:14,422 INFO L479 AbstractCegarLoop]: Abstraction has 3088 states and 3846 transitions. [2020-07-17 12:05:14,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 12:05:14,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3088 states and 3846 transitions. [2020-07-17 12:05:14,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-17 12:05:14,434 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:05:14,435 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:05:14,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:05:14,649 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:05:14,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:05:14,650 INFO L82 PathProgramCache]: Analyzing trace with hash 911831107, now seen corresponding path program 1 times [2020-07-17 12:05:14,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:05:14,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513529358] [2020-07-17 12:05:14,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:05:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:14,904 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 117 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-17 12:05:14,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513529358] [2020-07-17 12:05:14,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125143103] [2020-07-17 12:05:14,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-07-17 12:05:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:15,114 INFO L264 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:05:15,118 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:05:15,206 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-07-17 12:05:15,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:05:15,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-17 12:05:15,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384774867] [2020-07-17 12:05:15,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 12:05:15,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:05:15,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 12:05:15,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:05:15,216 INFO L87 Difference]: Start difference. First operand 3088 states and 3846 transitions. Second operand 10 states. [2020-07-17 12:05:19,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:05:19,220 INFO L93 Difference]: Finished difference Result 8730 states and 11074 transitions. [2020-07-17 12:05:19,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-17 12:05:19,220 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 222 [2020-07-17 12:05:19,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:05:19,245 INFO L225 Difference]: With dead ends: 8730 [2020-07-17 12:05:19,245 INFO L226 Difference]: Without dead ends: 5175 [2020-07-17 12:05:19,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=166, Invalid=646, Unknown=0, NotChecked=0, Total=812 [2020-07-17 12:05:19,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5175 states. [2020-07-17 12:05:19,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5175 to 4303. [2020-07-17 12:05:19,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4303 states. [2020-07-17 12:05:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4303 states to 4303 states and 4838 transitions. [2020-07-17 12:05:19,418 INFO L78 Accepts]: Start accepts. Automaton has 4303 states and 4838 transitions. Word has length 222 [2020-07-17 12:05:19,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:05:19,419 INFO L479 AbstractCegarLoop]: Abstraction has 4303 states and 4838 transitions. [2020-07-17 12:05:19,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 12:05:19,419 INFO L276 IsEmpty]: Start isEmpty. Operand 4303 states and 4838 transitions. [2020-07-17 12:05:19,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-07-17 12:05:19,431 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:05:19,431 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:05:19,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-17 12:05:19,646 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:05:19,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:05:19,646 INFO L82 PathProgramCache]: Analyzing trace with hash 408719819, now seen corresponding path program 1 times [2020-07-17 12:05:19,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:05:19,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346574173] [2020-07-17 12:05:19,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:05:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:19,881 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 141 proven. 22 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-07-17 12:05:19,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346574173] [2020-07-17 12:05:19,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087891826] [2020-07-17 12:05:19,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-07-17 12:05:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:05:20,014 INFO L264 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:05:20,020 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:05:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-07-17 12:05:20,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:05:20,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-17 12:05:20,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505660079] [2020-07-17 12:05:20,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 12:05:20,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:05:20,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 12:05:20,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:05:20,110 INFO L87 Difference]: Start difference. First operand 4303 states and 4838 transitions. Second operand 10 states. [2020-07-17 12:05:24,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:05:24,828 INFO L93 Difference]: Finished difference Result 10321 states and 12192 transitions. [2020-07-17 12:05:24,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-07-17 12:05:24,829 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 226 [2020-07-17 12:05:24,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:05:24,830 INFO L225 Difference]: With dead ends: 10321 [2020-07-17 12:05:24,830 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 12:05:24,858 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=251, Invalid=1081, Unknown=0, NotChecked=0, Total=1332 [2020-07-17 12:05:24,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 12:05:24,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 12:05:24,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 12:05:24,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 12:05:24,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2020-07-17 12:05:24,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:05:24,860 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 12:05:24,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 12:05:24,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 12:05:24,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 12:05:25,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:05:25,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 12:05:26,881 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 126 [2020-07-17 12:05:27,258 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 126 [2020-07-17 12:05:29,477 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 207 DAG size of output: 77 [2020-07-17 12:05:30,270 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 54 [2020-07-17 12:05:31,031 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 54 [2020-07-17 12:05:31,036 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:05:31,037 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-17 12:05:31,037 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:05:31,037 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-17 12:05:31,037 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-17 12:05:31,037 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,037 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,037 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,038 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,038 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,038 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,038 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-17 12:05:31,038 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-17 12:05:31,038 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-17 12:05:31,038 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-17 12:05:31,039 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-17 12:05:31,039 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-17 12:05:31,039 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-17 12:05:31,039 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-17 12:05:31,039 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-17 12:05:31,039 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-17 12:05:31,039 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,039 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,039 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,040 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,040 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,040 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,040 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-17 12:05:31,040 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-17 12:05:31,040 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-17 12:05:31,040 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-17 12:05:31,040 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-17 12:05:31,041 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-17 12:05:31,041 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-17 12:05:31,041 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-17 12:05:31,041 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-17 12:05:31,041 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-17 12:05:31,041 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-17 12:05:31,041 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 485) no Hoare annotation was computed. [2020-07-17 12:05:31,041 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-17 12:05:31,042 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-17 12:05:31,042 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-17 12:05:31,042 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-17 12:05:31,042 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,042 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,042 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,042 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,042 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,042 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-17 12:05:31,043 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-17 12:05:31,043 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-17 12:05:31,043 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-17 12:05:31,043 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-17 12:05:31,043 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-17 12:05:31,043 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-17 12:05:31,043 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-17 12:05:31,043 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-17 12:05:31,043 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,044 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,044 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,044 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,044 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,044 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-17 12:05:31,044 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-17 12:05:31,044 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-17 12:05:31,044 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-17 12:05:31,045 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-17 12:05:31,045 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-17 12:05:31,045 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-17 12:05:31,045 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-17 12:05:31,045 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-17 12:05:31,045 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-17 12:05:31,045 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-17 12:05:31,045 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-17 12:05:31,046 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-17 12:05:31,046 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,046 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,046 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,046 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,046 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,046 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-17 12:05:31,046 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-17 12:05:31,046 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-17 12:05:31,047 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-17 12:05:31,047 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-17 12:05:31,047 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-17 12:05:31,047 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-17 12:05:31,047 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-17 12:05:31,047 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-17 12:05:31,047 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,047 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,048 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,048 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,048 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,048 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,048 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-17 12:05:31,048 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,048 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-17 12:05:31,048 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-17 12:05:31,048 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-17 12:05:31,048 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-17 12:05:31,049 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-17 12:05:31,049 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-17 12:05:31,049 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-17 12:05:31,049 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-17 12:05:31,049 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-17 12:05:31,049 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-17 12:05:31,049 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-17 12:05:31,049 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-17 12:05:31,049 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-17 12:05:31,050 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,050 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,050 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,050 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,050 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,050 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-17 12:05:31,050 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-17 12:05:31,050 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-17 12:05:31,050 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-17 12:05:31,051 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-17 12:05:31,051 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-17 12:05:31,051 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-17 12:05:31,051 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-17 12:05:31,051 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,051 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,051 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,051 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,052 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,052 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-17 12:05:31,052 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-17 12:05:31,052 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-17 12:05:31,052 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-17 12:05:31,052 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-17 12:05:31,052 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-17 12:05:31,052 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-17 12:05:31,052 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-17 12:05:31,053 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-17 12:05:31,053 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-17 12:05:31,053 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse15 (= 1 ~a21~0)) (.cse19 (= ~a20~0 |old(~a20~0)|)) (.cse18 (not (<= |old(~a8~0)| 14))) (.cse10 (not (<= 5 |old(~a16~0)|))) (.cse6 (not (= 1 |old(~a20~0)|))) (.cse2 (not (<= |old(~a16~0)| 5))) (.cse7 (not (<= |old(~a8~0)| 13))) (.cse11 (= ~a7~0 |old(~a7~0)|)) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= ~a16~0 |old(~a16~0)|)) (.cse14 (= ~a8~0 |old(~a8~0)|)) (.cse16 (= 1 ~a20~0)) (.cse20 (= ~a21~0 |old(~a21~0)|))) (let ((.cse5 (not (<= |old(~a17~0)| 0))) (.cse8 (and .cse11 .cse12 .cse13 .cse14 .cse16 .cse20)) (.cse0 (not (= 1 |old(~a7~0)|))) (.cse17 (and (or .cse6 .cse18 .cse2 .cse10) (or .cse6 .cse2 .cse7))) (.cse9 (not (<= |old(~a7~0)| 0))) (.cse1 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse19)) (.cse3 (not (<= |old(~a20~0)| 0))) (.cse4 (not (= 1 |old(~a21~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse5 .cse8) (or .cse6 .cse9 .cse1 .cse10 .cse4) (or .cse6 .cse9 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) .cse4 .cse5) (or .cse0 .cse17 .cse8) (or .cse0 .cse18 .cse2 .cse3 (not (<= |old(~a16~0)| 4)) (and .cse11 .cse12 .cse13 .cse14 .cse19 .cse20)) (or .cse1 (and (or .cse18 .cse2 .cse3 .cse4) (or (and (or .cse9 .cse2 .cse7) (or .cse6 .cse9 .cse18)) .cse4) (or .cse17 .cse4))) (or .cse9 .cse1 .cse3 .cse4)))) [2020-07-17 12:05:31,053 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-17 12:05:31,053 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,053 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,054 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,054 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,054 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-17 12:05:31,054 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,054 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,054 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-17 12:05:31,054 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-17 12:05:31,054 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-17 12:05:31,054 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-17 12:05:31,055 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-17 12:05:31,055 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-17 12:05:31,055 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-17 12:05:31,055 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-17 12:05:31,055 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-17 12:05:31,055 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-17 12:05:31,055 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-17 12:05:31,055 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-17 12:05:31,055 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,056 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,056 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,056 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,056 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,056 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-17 12:05:31,056 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,056 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-17 12:05:31,056 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-17 12:05:31,056 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-17 12:05:31,056 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-17 12:05:31,057 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-17 12:05:31,057 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-17 12:05:31,057 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-17 12:05:31,057 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-17 12:05:31,057 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-17 12:05:31,057 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-17 12:05:31,057 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-17 12:05:31,057 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-17 12:05:31,057 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-17 12:05:31,057 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-17 12:05:31,058 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,058 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,058 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,058 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,058 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,058 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:31,058 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-17 12:05:31,058 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-17 12:05:31,058 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-17 12:05:31,059 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-17 12:05:31,059 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-17 12:05:31,059 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-17 12:05:31,059 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-17 12:05:31,059 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-17 12:05:31,059 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-17 12:05:31,059 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-17 12:05:31,059 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:05:31,060 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= ~a16~0 5) (<= 5 ~a16~0) (= 1 ~a21~0) (= 1 ~a20~0)) [2020-07-17 12:05:31,060 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 12:05:31,060 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:05:31,060 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a20~0)|)) (not (<= |old(~a7~0)| 0)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a21~0)|))) [2020-07-17 12:05:31,060 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-17 12:05:31,060 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse10 (<= 5 ~a16~0)) (.cse8 (<= ~a8~0 14)) (.cse9 (<= ~a8~0 13)) (.cse7 (<= ~a16~0 5)) (.cse5 (= 1 ~a20~0))) (let ((.cse0 (or (and .cse10 .cse7 .cse5 .cse8) (and .cse9 .cse7 .cse5))) (.cse6 (= 1 ~a7~0)) (.cse4 (<= ~a17~0 0)) (.cse2 (<= ~a7~0 0)) (.cse1 (= 1 ~a21~0)) (.cse3 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse1 .cse3) (not (<= |old(~a7~0)| 0)) (and .cse4 .cse2 .cse1 .cse5) (and .cse6 .cse4 .cse7 .cse1 .cse3) (and .cse6 .cse3 .cse8 (<= ~a16~0 4)) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse0) (and .cse9 .cse6 .cse4 .cse5) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (and (or (and .cse9 .cse2 .cse7) (and .cse2 .cse5 .cse8)) .cse1) (and .cse2 .cse10 .cse1 .cse5) (and .cse7 .cse1 .cse3 .cse8) (not (= 1 |old(~a21~0)|))))) [2020-07-17 12:05:31,060 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-17 12:05:31,061 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-17 12:05:31,061 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (<= 5 ~a16~0)) (.cse8 (<= ~a8~0 14)) (.cse9 (<= ~a8~0 13)) (.cse7 (<= ~a16~0 5)) (.cse5 (= 1 ~a20~0))) (let ((.cse0 (or (and .cse10 .cse7 .cse5 .cse8) (and .cse9 .cse7 .cse5))) (.cse6 (= 1 ~a7~0)) (.cse4 (<= ~a17~0 0)) (.cse2 (<= ~a7~0 0)) (.cse1 (= 1 ~a21~0)) (.cse3 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse1 .cse3) (not (<= |old(~a7~0)| 0)) (and .cse4 .cse2 .cse1 .cse5) (and .cse6 .cse4 .cse7 .cse1 .cse3) (and .cse6 .cse3 .cse8 (<= ~a16~0 4)) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse0) (and .cse9 .cse6 .cse4 .cse5) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (and (or (and .cse9 .cse2 .cse7) (and .cse2 .cse5 .cse8)) .cse1) (and .cse2 .cse10 .cse1 .cse5) (and .cse7 .cse1 .cse3 .cse8) (not (= 1 |old(~a21~0)|))))) [2020-07-17 12:05:31,061 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-17 12:05:31,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:05:31 BoogieIcfgContainer [2020-07-17 12:05:31,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:05:31,086 INFO L168 Benchmark]: Toolchain (without parser) took 32490.27 ms. Allocated memory was 145.2 MB in the beginning and 631.8 MB in the end (delta: 486.5 MB). Free memory was 99.8 MB in the beginning and 435.6 MB in the end (delta: -335.8 MB). Peak memory consumption was 505.8 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:31,086 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 145.2 MB. Free memory is still 119.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 12:05:31,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.90 ms. Allocated memory was 145.2 MB in the beginning and 206.0 MB in the end (delta: 60.8 MB). Free memory was 99.4 MB in the beginning and 172.0 MB in the end (delta: -72.6 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:31,088 INFO L168 Benchmark]: Boogie Preprocessor took 106.50 ms. Allocated memory is still 206.0 MB. Free memory was 172.0 MB in the beginning and 166.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:31,089 INFO L168 Benchmark]: RCFGBuilder took 1175.94 ms. Allocated memory was 206.0 MB in the beginning and 238.6 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 182.8 MB in the end (delta: -15.9 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:31,090 INFO L168 Benchmark]: TraceAbstraction took 30414.76 ms. Allocated memory was 238.6 MB in the beginning and 631.8 MB in the end (delta: 393.2 MB). Free memory was 181.1 MB in the beginning and 435.6 MB in the end (delta: -254.5 MB). Peak memory consumption was 493.8 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:31,093 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 145.2 MB. Free memory is still 119.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 785.90 ms. Allocated memory was 145.2 MB in the beginning and 206.0 MB in the end (delta: 60.8 MB). Free memory was 99.4 MB in the beginning and 172.0 MB in the end (delta: -72.6 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.50 ms. Allocated memory is still 206.0 MB. Free memory was 172.0 MB in the beginning and 166.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1175.94 ms. Allocated memory was 206.0 MB in the beginning and 238.6 MB in the end (delta: 32.5 MB). Free memory was 166.9 MB in the beginning and 182.8 MB in the end (delta: -15.9 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30414.76 ms. Allocated memory was 238.6 MB in the beginning and 631.8 MB in the end (delta: 393.2 MB). Free memory was 181.1 MB in the beginning and 435.6 MB in the end (delta: -254.5 MB). Peak memory consumption was 493.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 485]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((5 <= a16 && a16 <= 5) && 1 == a20) && a8 <= 14) || ((a8 <= 13 && a16 <= 5) && 1 == a20)) && 1 == a21) || ((a7 <= 0 && 1 == a21) && a20 <= 0)) || !(\old(a7) <= 0)) || (((a17 <= 0 && a7 <= 0) && 1 == a21) && 1 == a20)) || ((((1 == a7 && a17 <= 0) && a16 <= 5) && 1 == a21) && a20 <= 0)) || (((1 == a7 && a20 <= 0) && a8 <= 14) && a16 <= 4)) || !(5 <= \old(a16))) || (1 == a7 && ((((5 <= a16 && a16 <= 5) && 1 == a20) && a8 <= 14) || ((a8 <= 13 && a16 <= 5) && 1 == a20)))) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 == a20)) || !(1 == \old(a20))) || !(\old(a16) <= 5)) || ((((a8 <= 13 && a7 <= 0) && a16 <= 5) || ((a7 <= 0 && 1 == a20) && a8 <= 14)) && 1 == a21)) || (((a7 <= 0 && 5 <= a16) && 1 == a21) && 1 == a20)) || (((a16 <= 5 && 1 == a21) && a20 <= 0) && a8 <= 14)) || !(1 == \old(a21)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.3s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 18.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 701 SDtfs, 4160 SDslu, 559 SDs, 0 SdLazy, 11469 SolverSat, 1818 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1208 GetRequests, 1089 SyntacticMatches, 1 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4303occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 2374 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 211 PreInvPairs, 433 NumberOfFragments, 883 HoareAnnotationTreeSize, 211 FomulaSimplifications, 310496 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13233 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2244 NumberOfCodeBlocks, 2244 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2230 ConstructedInterpolants, 0 QuantifiedInterpolants, 999642 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2834 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 1024/1093 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...