/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/Problem14_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:54:04,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:54:04,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:54:04,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:54:04,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:54:04,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:54:04,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:54:04,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:54:04,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:54:04,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:54:04,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:54:04,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:54:04,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:54:04,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:54:04,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:54:04,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:54:04,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:54:04,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:54:04,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:54:04,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:54:04,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:54:04,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:54:04,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:54:04,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:54:04,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 16:54:04,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:54:04,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:54:04,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:54:04,373 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 [2020-08-22 16:54:04,397 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:54:04,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:54:04,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:54:04,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:54:04,399 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:54:04,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:54:04,399 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:54:04,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:54:04,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:54:04,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:54:04,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:54:04,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:54:04,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:54:04,400 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:54:04,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:54:04,401 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:54:04,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:54:04,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:54:04,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:54:04,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:54:04,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:54:04,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:54:04,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:54:04,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:54:04,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:54:04,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:54:04,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:54:04,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:54:04,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:54:04,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:54:04,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:54:04,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:54:04,755 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:54:04,756 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:54:04,756 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:54:04,757 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-08-22 16:54:04,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/729087cd7/1d8fbcf4ecbf4acf95a64916256fc4c1/FLAGa3fa3d2e4 [2020-08-22 16:54:05,455 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:54:05,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-08-22 16:54:05,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/729087cd7/1d8fbcf4ecbf4acf95a64916256fc4c1/FLAGa3fa3d2e4 [2020-08-22 16:54:05,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/729087cd7/1d8fbcf4ecbf4acf95a64916256fc4c1 [2020-08-22 16:54:05,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:54:05,688 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:54:05,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:54:05,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:54:05,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:54:05,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:54:05" (1/1) ... [2020-08-22 16:54:05,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6589a4e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:05, skipping insertion in model container [2020-08-22 16:54:05,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:54:05" (1/1) ... [2020-08-22 16:54:05,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:54:05,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:54:06,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:54:06,279 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:54:06,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:54:06,566 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:54:06,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:06 WrapperNode [2020-08-22 16:54:06,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:54:06,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:54:06,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:54:06,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:54:06,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:06" (1/1) ... [2020-08-22 16:54:06,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:06" (1/1) ... [2020-08-22 16:54:06,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:06" (1/1) ... [2020-08-22 16:54:06,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:06" (1/1) ... [2020-08-22 16:54:06,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:06" (1/1) ... [2020-08-22 16:54:06,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:06" (1/1) ... [2020-08-22 16:54:06,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:06" (1/1) ... [2020-08-22 16:54:06,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:54:06,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:54:06,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:54:06,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:54:06,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:06" (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 [2020-08-22 16:54:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:54:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:54:06,833 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 16:54:06,834 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:54:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 16:54:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:54:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:54:06,834 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 16:54:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:54:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:54:06,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:54:08,330 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:54:08,331 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 16:54:08,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:54:08 BoogieIcfgContainer [2020-08-22 16:54:08,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:54:08,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:54:08,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:54:08,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:54:08,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:54:05" (1/3) ... [2020-08-22 16:54:08,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc7d979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:54:08, skipping insertion in model container [2020-08-22 16:54:08,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:54:06" (2/3) ... [2020-08-22 16:54:08,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bc7d979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:54:08, skipping insertion in model container [2020-08-22 16:54:08,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:54:08" (3/3) ... [2020-08-22 16:54:08,346 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c [2020-08-22 16:54:08,357 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:54:08,365 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:54:08,379 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:54:08,407 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:54:08,407 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:54:08,407 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:54:08,407 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:54:08,407 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:54:08,408 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:54:08,408 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:54:08,408 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:54:08,433 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-08-22 16:54:08,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-22 16:54:08,442 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:08,443 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] [2020-08-22 16:54:08,444 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:08,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:08,450 INFO L82 PathProgramCache]: Analyzing trace with hash -281448013, now seen corresponding path program 1 times [2020-08-22 16:54:08,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:08,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550302537] [2020-08-22 16:54:08,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:08,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:08,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:54:08,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550302537] [2020-08-22 16:54:08,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:54:08,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 16:54:08,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966748356] [2020-08-22 16:54:08,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:54:08,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:08,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:54:08,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:54:08,843 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 5 states. [2020-08-22 16:54:11,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:11,551 INFO L93 Difference]: Finished difference Result 886 states and 1613 transitions. [2020-08-22 16:54:11,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:54:11,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-08-22 16:54:11,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:11,575 INFO L225 Difference]: With dead ends: 886 [2020-08-22 16:54:11,575 INFO L226 Difference]: Without dead ends: 564 [2020-08-22 16:54:11,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:54:11,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-08-22 16:54:11,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2020-08-22 16:54:11,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-08-22 16:54:11,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 906 transitions. [2020-08-22 16:54:11,686 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 906 transitions. Word has length 56 [2020-08-22 16:54:11,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:11,687 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 906 transitions. [2020-08-22 16:54:11,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:54:11,687 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 906 transitions. [2020-08-22 16:54:11,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-08-22 16:54:11,694 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:11,695 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:54:11,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:54:11,695 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:11,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:11,696 INFO L82 PathProgramCache]: Analyzing trace with hash 438966350, now seen corresponding path program 1 times [2020-08-22 16:54:11,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:11,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131287595] [2020-08-22 16:54:11,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:11,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:11,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:11,983 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:54:11,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131287595] [2020-08-22 16:54:11,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:54:11,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:54:11,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587392608] [2020-08-22 16:54:11,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:54:11,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:11,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:54:11,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:54:11,987 INFO L87 Difference]: Start difference. First operand 558 states and 906 transitions. Second operand 8 states. [2020-08-22 16:54:13,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:13,972 INFO L93 Difference]: Finished difference Result 1320 states and 2174 transitions. [2020-08-22 16:54:13,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 16:54:13,973 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 130 [2020-08-22 16:54:13,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:13,983 INFO L225 Difference]: With dead ends: 1320 [2020-08-22 16:54:13,984 INFO L226 Difference]: Without dead ends: 768 [2020-08-22 16:54:13,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-22 16:54:13,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-08-22 16:54:14,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 566. [2020-08-22 16:54:14,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-08-22 16:54:14,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 819 transitions. [2020-08-22 16:54:14,029 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 819 transitions. Word has length 130 [2020-08-22 16:54:14,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:14,029 INFO L479 AbstractCegarLoop]: Abstraction has 566 states and 819 transitions. [2020-08-22 16:54:14,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:54:14,030 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 819 transitions. [2020-08-22 16:54:14,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-08-22 16:54:14,033 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:14,033 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:54:14,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:54:14,033 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:14,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:14,034 INFO L82 PathProgramCache]: Analyzing trace with hash 123351809, now seen corresponding path program 1 times [2020-08-22 16:54:14,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:14,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883043075] [2020-08-22 16:54:14,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:14,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:14,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:14,400 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:54:14,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883043075] [2020-08-22 16:54:14,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:54:14,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:54:14,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946710357] [2020-08-22 16:54:14,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:54:14,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:14,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:54:14,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:54:14,403 INFO L87 Difference]: Start difference. First operand 566 states and 819 transitions. Second operand 8 states. [2020-08-22 16:54:16,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:16,304 INFO L93 Difference]: Finished difference Result 1330 states and 1917 transitions. [2020-08-22 16:54:16,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 16:54:16,305 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-08-22 16:54:16,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:16,315 INFO L225 Difference]: With dead ends: 1330 [2020-08-22 16:54:16,315 INFO L226 Difference]: Without dead ends: 770 [2020-08-22 16:54:16,317 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-22 16:54:16,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2020-08-22 16:54:16,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 754. [2020-08-22 16:54:16,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-08-22 16:54:16,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1023 transitions. [2020-08-22 16:54:16,361 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1023 transitions. Word has length 139 [2020-08-22 16:54:16,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:16,362 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 1023 transitions. [2020-08-22 16:54:16,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:54:16,362 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1023 transitions. [2020-08-22 16:54:16,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-08-22 16:54:16,375 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:16,375 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-22 16:54:16,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 16:54:16,377 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:16,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:16,377 INFO L82 PathProgramCache]: Analyzing trace with hash -657639750, now seen corresponding path program 1 times [2020-08-22 16:54:16,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:16,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530268455] [2020-08-22 16:54:16,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:16,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:16,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:16,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 16:54:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:16,868 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 128 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:54:16,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530268455] [2020-08-22 16:54:16,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402026022] [2020-08-22 16:54:16,869 INFO L95 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 [2020-08-22 16:54:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:16,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 15 conjunts are in the unsatisfiable core [2020-08-22 16:54:16,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:17,168 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 4, 1] term [2020-08-22 16:54:17,169 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-08-22 16:54:17,172 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-08-22 16:54:17,175 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-08-22 16:54:17,380 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:54:17,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:54:17,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2020-08-22 16:54:17,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623051067] [2020-08-22 16:54:17,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 16:54:17,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:17,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 16:54:17,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2020-08-22 16:54:17,383 INFO L87 Difference]: Start difference. First operand 754 states and 1023 transitions. Second operand 15 states. [2020-08-22 16:54:22,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:22,021 INFO L93 Difference]: Finished difference Result 1993 states and 2727 transitions. [2020-08-22 16:54:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-08-22 16:54:22,022 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 223 [2020-08-22 16:54:22,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:22,030 INFO L225 Difference]: With dead ends: 1993 [2020-08-22 16:54:22,030 INFO L226 Difference]: Without dead ends: 1198 [2020-08-22 16:54:22,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=318, Invalid=1164, Unknown=0, NotChecked=0, Total=1482 [2020-08-22 16:54:22,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2020-08-22 16:54:22,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1130. [2020-08-22 16:54:22,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1130 states. [2020-08-22 16:54:22,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 1130 states and 1320 transitions. [2020-08-22 16:54:22,077 INFO L78 Accepts]: Start accepts. Automaton has 1130 states and 1320 transitions. Word has length 223 [2020-08-22 16:54:22,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:22,078 INFO L479 AbstractCegarLoop]: Abstraction has 1130 states and 1320 transitions. [2020-08-22 16:54:22,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 16:54:22,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1320 transitions. [2020-08-22 16:54:22,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-08-22 16:54:22,082 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:22,083 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-22 16:54:22,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:22,299 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:22,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:22,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1982541177, now seen corresponding path program 1 times [2020-08-22 16:54:22,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:22,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143391629] [2020-08-22 16:54:22,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:22,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:22,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:22,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-22 16:54:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:22,598 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-08-22 16:54:22,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143391629] [2020-08-22 16:54:22,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054664860] [2020-08-22 16:54:22,599 INFO L95 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 [2020-08-22 16:54:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:22,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjunts are in the unsatisfiable core [2020-08-22 16:54:22,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:22,788 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-08-22 16:54:22,788 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-08-22 16:54:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-22 16:54:22,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:54:22,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-08-22 16:54:22,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332260009] [2020-08-22 16:54:22,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:54:22,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:22,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:54:22,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:54:22,883 INFO L87 Difference]: Start difference. First operand 1130 states and 1320 transitions. Second operand 5 states. [2020-08-22 16:54:24,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:24,088 INFO L93 Difference]: Finished difference Result 3204 states and 3816 transitions. [2020-08-22 16:54:24,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 16:54:24,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 248 [2020-08-22 16:54:24,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:24,102 INFO L225 Difference]: With dead ends: 3204 [2020-08-22 16:54:24,102 INFO L226 Difference]: Without dead ends: 2080 [2020-08-22 16:54:24,105 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 251 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:54:24,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2080 states. [2020-08-22 16:54:24,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2080 to 1878. [2020-08-22 16:54:24,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1878 states. [2020-08-22 16:54:24,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1878 states and 2174 transitions. [2020-08-22 16:54:24,168 INFO L78 Accepts]: Start accepts. Automaton has 1878 states and 2174 transitions. Word has length 248 [2020-08-22 16:54:24,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:24,173 INFO L479 AbstractCegarLoop]: Abstraction has 1878 states and 2174 transitions. [2020-08-22 16:54:24,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:54:24,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2174 transitions. [2020-08-22 16:54:24,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-08-22 16:54:24,181 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:24,181 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:54:24,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:24,396 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:24,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:24,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1026423962, now seen corresponding path program 1 times [2020-08-22 16:54:24,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:24,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012015148] [2020-08-22 16:54:24,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:24,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:24,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:24,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-22 16:54:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:24,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 16:54:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:25,256 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 407 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:54:25,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012015148] [2020-08-22 16:54:25,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373210486] [2020-08-22 16:54:25,258 INFO L95 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 [2020-08-22 16:54:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:25,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 7 conjunts are in the unsatisfiable core [2020-08-22 16:54:25,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:25,562 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 314 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-08-22 16:54:25,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:54:25,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 15 [2020-08-22 16:54:25,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040712132] [2020-08-22 16:54:25,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 16:54:25,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:25,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 16:54:25,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2020-08-22 16:54:25,566 INFO L87 Difference]: Start difference. First operand 1878 states and 2174 transitions. Second operand 15 states. [2020-08-22 16:54:34,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:34,891 INFO L93 Difference]: Finished difference Result 5056 states and 5974 transitions. [2020-08-22 16:54:34,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-08-22 16:54:34,891 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 358 [2020-08-22 16:54:34,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:34,909 INFO L225 Difference]: With dead ends: 5056 [2020-08-22 16:54:34,909 INFO L226 Difference]: Without dead ends: 3366 [2020-08-22 16:54:34,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1128 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=578, Invalid=3204, Unknown=0, NotChecked=0, Total=3782 [2020-08-22 16:54:34,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3366 states. [2020-08-22 16:54:34,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3366 to 2442. [2020-08-22 16:54:34,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2442 states. [2020-08-22 16:54:34,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2442 states to 2442 states and 2796 transitions. [2020-08-22 16:54:34,984 INFO L78 Accepts]: Start accepts. Automaton has 2442 states and 2796 transitions. Word has length 358 [2020-08-22 16:54:34,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:34,985 INFO L479 AbstractCegarLoop]: Abstraction has 2442 states and 2796 transitions. [2020-08-22 16:54:34,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 16:54:34,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2442 states and 2796 transitions. [2020-08-22 16:54:34,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2020-08-22 16:54:34,994 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:34,995 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:54:35,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:35,209 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:35,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:35,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1567093203, now seen corresponding path program 1 times [2020-08-22 16:54:35,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:35,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279173402] [2020-08-22 16:54:35,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:35,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:35,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:35,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-22 16:54:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:35,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 16:54:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:35,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-08-22 16:54:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 448 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2020-08-22 16:54:35,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279173402] [2020-08-22 16:54:35,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259342236] [2020-08-22 16:54:35,972 INFO L95 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 [2020-08-22 16:54:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:36,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 11 conjunts are in the unsatisfiable core [2020-08-22 16:54:36,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:36,195 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 4, 1] term [2020-08-22 16:54:36,195 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-08-22 16:54:36,199 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-08-22 16:54:36,202 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-08-22 16:54:36,444 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 449 proven. 2 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-08-22 16:54:36,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:54:36,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2020-08-22 16:54:36,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938842919] [2020-08-22 16:54:36,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 16:54:36,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:36,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 16:54:36,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-08-22 16:54:36,447 INFO L87 Difference]: Start difference. First operand 2442 states and 2796 transitions. Second operand 11 states. [2020-08-22 16:54:40,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:40,006 INFO L93 Difference]: Finished difference Result 5376 states and 6330 transitions. [2020-08-22 16:54:40,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-08-22 16:54:40,007 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 442 [2020-08-22 16:54:40,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:40,030 INFO L225 Difference]: With dead ends: 5376 [2020-08-22 16:54:40,030 INFO L226 Difference]: Without dead ends: 3083 [2020-08-22 16:54:40,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 464 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2020-08-22 16:54:40,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3083 states. [2020-08-22 16:54:40,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3083 to 2818. [2020-08-22 16:54:40,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2818 states. [2020-08-22 16:54:40,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2818 states and 3101 transitions. [2020-08-22 16:54:40,163 INFO L78 Accepts]: Start accepts. Automaton has 2818 states and 3101 transitions. Word has length 442 [2020-08-22 16:54:40,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:40,164 INFO L479 AbstractCegarLoop]: Abstraction has 2818 states and 3101 transitions. [2020-08-22 16:54:40,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 16:54:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3101 transitions. [2020-08-22 16:54:40,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2020-08-22 16:54:40,180 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:40,180 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:54:40,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:40,394 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:40,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:40,396 INFO L82 PathProgramCache]: Analyzing trace with hash 808508418, now seen corresponding path program 1 times [2020-08-22 16:54:40,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:40,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930116860] [2020-08-22 16:54:40,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:40,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:40,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:40,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-22 16:54:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:40,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 16:54:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:40,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-08-22 16:54:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:40,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-08-22 16:54:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:41,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 828 proven. 104 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-08-22 16:54:41,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930116860] [2020-08-22 16:54:41,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16898852] [2020-08-22 16:54:41,356 INFO L95 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 [2020-08-22 16:54:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:41,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 7 conjunts are in the unsatisfiable core [2020-08-22 16:54:41,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:41,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 740 proven. 2 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2020-08-22 16:54:41,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:54:41,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 14 [2020-08-22 16:54:41,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290732755] [2020-08-22 16:54:41,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 16:54:41,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:41,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 16:54:41,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-08-22 16:54:41,830 INFO L87 Difference]: Start difference. First operand 2818 states and 3101 transitions. Second operand 14 states. [2020-08-22 16:54:47,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:47,344 INFO L93 Difference]: Finished difference Result 7375 states and 8336 transitions. [2020-08-22 16:54:47,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-08-22 16:54:47,345 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 548 [2020-08-22 16:54:47,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:47,366 INFO L225 Difference]: With dead ends: 7375 [2020-08-22 16:54:47,367 INFO L226 Difference]: Without dead ends: 4712 [2020-08-22 16:54:47,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 581 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=342, Invalid=1380, Unknown=0, NotChecked=0, Total=1722 [2020-08-22 16:54:47,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4712 states. [2020-08-22 16:54:47,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4712 to 4124. [2020-08-22 16:54:47,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4124 states. [2020-08-22 16:54:47,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4124 states to 4124 states and 4535 transitions. [2020-08-22 16:54:47,464 INFO L78 Accepts]: Start accepts. Automaton has 4124 states and 4535 transitions. Word has length 548 [2020-08-22 16:54:47,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:47,465 INFO L479 AbstractCegarLoop]: Abstraction has 4124 states and 4535 transitions. [2020-08-22 16:54:47,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 16:54:47,466 INFO L276 IsEmpty]: Start isEmpty. Operand 4124 states and 4535 transitions. [2020-08-22 16:54:47,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2020-08-22 16:54:47,474 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:47,475 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-08-22 16:54:47,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:47,689 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:47,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:47,690 INFO L82 PathProgramCache]: Analyzing trace with hash -197580945, now seen corresponding path program 1 times [2020-08-22 16:54:47,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:47,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881218040] [2020-08-22 16:54:47,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:47,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:47,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:47,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-22 16:54:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:47,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 16:54:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:48,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-08-22 16:54:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:48,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-08-22 16:54:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:48,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2020-08-22 16:54:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:48,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 650 proven. 164 refuted. 0 times theorem prover too weak. 834 trivial. 0 not checked. [2020-08-22 16:54:48,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881218040] [2020-08-22 16:54:48,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096564681] [2020-08-22 16:54:48,806 INFO L95 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 [2020-08-22 16:54:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:48,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 7 conjunts are in the unsatisfiable core [2020-08-22 16:54:49,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:49,070 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-08-22 16:54:49,070 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-08-22 16:54:49,071 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-08-22 16:54:49,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 1151 proven. 2 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2020-08-22 16:54:49,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:54:49,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2020-08-22 16:54:49,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184851848] [2020-08-22 16:54:49,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 16:54:49,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:49,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 16:54:49,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:54:49,397 INFO L87 Difference]: Start difference. First operand 4124 states and 4535 transitions. Second operand 12 states. [2020-08-22 16:54:53,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:54:53,172 INFO L93 Difference]: Finished difference Result 8982 states and 9872 transitions. [2020-08-22 16:54:53,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-08-22 16:54:53,176 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 674 [2020-08-22 16:54:53,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:54:53,194 INFO L225 Difference]: With dead ends: 8982 [2020-08-22 16:54:53,195 INFO L226 Difference]: Without dead ends: 5046 [2020-08-22 16:54:53,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 697 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870 [2020-08-22 16:54:53,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5046 states. [2020-08-22 16:54:53,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5046 to 3580. [2020-08-22 16:54:53,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3580 states. [2020-08-22 16:54:53,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3580 states to 3580 states and 3971 transitions. [2020-08-22 16:54:53,288 INFO L78 Accepts]: Start accepts. Automaton has 3580 states and 3971 transitions. Word has length 674 [2020-08-22 16:54:53,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:54:53,289 INFO L479 AbstractCegarLoop]: Abstraction has 3580 states and 3971 transitions. [2020-08-22 16:54:53,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 16:54:53,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3580 states and 3971 transitions. [2020-08-22 16:54:53,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2020-08-22 16:54:53,297 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:54:53,298 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-08-22 16:54:53,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:53,512 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:54:53,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:54:53,514 INFO L82 PathProgramCache]: Analyzing trace with hash 123214354, now seen corresponding path program 1 times [2020-08-22 16:54:53,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:54:53,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911675684] [2020-08-22 16:54:53,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:54:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:53,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:54:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:53,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:54:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:53,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-22 16:54:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:53,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 16:54:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:53,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-08-22 16:54:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:53,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-08-22 16:54:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:53,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2020-08-22 16:54:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:54,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 708 proven. 10 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2020-08-22 16:54:54,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911675684] [2020-08-22 16:54:54,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443811039] [2020-08-22 16:54:54,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:54:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:54:55,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 1038 conjuncts, 9 conjunts are in the unsatisfiable core [2020-08-22 16:54:55,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:54:55,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 948 proven. 2 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2020-08-22 16:54:55,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:54:55,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 14 [2020-08-22 16:54:55,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609291044] [2020-08-22 16:54:55,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 16:54:55,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:54:55,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 16:54:55,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-08-22 16:54:55,439 INFO L87 Difference]: Start difference. First operand 3580 states and 3971 transitions. Second operand 14 states. [2020-08-22 16:55:01,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:55:01,409 INFO L93 Difference]: Finished difference Result 7823 states and 8682 transitions. [2020-08-22 16:55:01,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-22 16:55:01,410 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 707 [2020-08-22 16:55:01,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:55:01,425 INFO L225 Difference]: With dead ends: 7823 [2020-08-22 16:55:01,425 INFO L226 Difference]: Without dead ends: 4375 [2020-08-22 16:55:01,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 785 GetRequests, 739 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 548 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=411, Invalid=1569, Unknown=0, NotChecked=0, Total=1980 [2020-08-22 16:55:01,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4375 states. [2020-08-22 16:55:01,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4375 to 4130. [2020-08-22 16:55:01,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4130 states. [2020-08-22 16:55:01,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4130 states to 4130 states and 4486 transitions. [2020-08-22 16:55:01,512 INFO L78 Accepts]: Start accepts. Automaton has 4130 states and 4486 transitions. Word has length 707 [2020-08-22 16:55:01,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:55:01,513 INFO L479 AbstractCegarLoop]: Abstraction has 4130 states and 4486 transitions. [2020-08-22 16:55:01,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 16:55:01,513 INFO L276 IsEmpty]: Start isEmpty. Operand 4130 states and 4486 transitions. [2020-08-22 16:55:01,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 869 [2020-08-22 16:55:01,526 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:55:01,527 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:55:01,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-08-22 16:55:01,742 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:55:01,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:55:01,743 INFO L82 PathProgramCache]: Analyzing trace with hash -337447346, now seen corresponding path program 1 times [2020-08-22 16:55:01,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:55:01,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724607123] [2020-08-22 16:55:01,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:55:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:02,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:55:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:02,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:55:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:02,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-22 16:55:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:02,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 16:55:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:02,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-08-22 16:55:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:02,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-08-22 16:55:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:02,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2020-08-22 16:55:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:02,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2020-08-22 16:55:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:03,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2377 backedges. 922 proven. 98 refuted. 0 times theorem prover too weak. 1357 trivial. 0 not checked. [2020-08-22 16:55:03,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724607123] [2020-08-22 16:55:03,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877013236] [2020-08-22 16:55:03,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:55:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:03,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 14 conjunts are in the unsatisfiable core [2020-08-22 16:55:03,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:55:03,343 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-08-22 16:55:04,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2377 backedges. 1349 proven. 2 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2020-08-22 16:55:04,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:55:04,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 11 [2020-08-22 16:55:04,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071881725] [2020-08-22 16:55:04,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 16:55:04,292 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:55:04,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 16:55:04,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-08-22 16:55:04,292 INFO L87 Difference]: Start difference. First operand 4130 states and 4486 transitions. Second operand 11 states. [2020-08-22 16:55:08,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:55:08,498 INFO L93 Difference]: Finished difference Result 9362 states and 10280 transitions. [2020-08-22 16:55:08,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-22 16:55:08,499 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 868 [2020-08-22 16:55:08,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:55:08,519 INFO L225 Difference]: With dead ends: 9362 [2020-08-22 16:55:08,519 INFO L226 Difference]: Without dead ends: 5422 [2020-08-22 16:55:08,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 931 GetRequests, 898 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=229, Invalid=701, Unknown=0, NotChecked=0, Total=930 [2020-08-22 16:55:08,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5422 states. [2020-08-22 16:55:08,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5422 to 4874. [2020-08-22 16:55:08,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4874 states. [2020-08-22 16:55:08,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4874 states to 4874 states and 5301 transitions. [2020-08-22 16:55:08,623 INFO L78 Accepts]: Start accepts. Automaton has 4874 states and 5301 transitions. Word has length 868 [2020-08-22 16:55:08,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:55:08,624 INFO L479 AbstractCegarLoop]: Abstraction has 4874 states and 5301 transitions. [2020-08-22 16:55:08,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 16:55:08,624 INFO L276 IsEmpty]: Start isEmpty. Operand 4874 states and 5301 transitions. [2020-08-22 16:55:08,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 890 [2020-08-22 16:55:08,637 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:55:08,638 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:55:08,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-08-22 16:55:08,851 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:55:08,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:55:08,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1791623875, now seen corresponding path program 1 times [2020-08-22 16:55:08,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:55:08,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369617193] [2020-08-22 16:55:08,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:55:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:09,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:55:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:09,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:55:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:09,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-22 16:55:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:09,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 16:55:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:09,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-08-22 16:55:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:09,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-08-22 16:55:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:09,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-08-22 16:55:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:09,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2020-08-22 16:55:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:09,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2373 backedges. 679 proven. 160 refuted. 0 times theorem prover too weak. 1534 trivial. 0 not checked. [2020-08-22 16:55:09,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369617193] [2020-08-22 16:55:09,757 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389137838] [2020-08-22 16:55:09,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:55:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:10,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:55:10,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:55:10,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2373 backedges. 1533 proven. 2 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2020-08-22 16:55:10,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:55:10,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-08-22 16:55:10,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311763801] [2020-08-22 16:55:10,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 16:55:10,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:55:10,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 16:55:10,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-08-22 16:55:10,411 INFO L87 Difference]: Start difference. First operand 4874 states and 5301 transitions. Second operand 11 states. [2020-08-22 16:55:13,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:55:13,771 INFO L93 Difference]: Finished difference Result 10116 states and 10971 transitions. [2020-08-22 16:55:13,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-08-22 16:55:13,779 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 889 [2020-08-22 16:55:13,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:55:13,792 INFO L225 Difference]: With dead ends: 10116 [2020-08-22 16:55:13,793 INFO L226 Difference]: Without dead ends: 5432 [2020-08-22 16:55:13,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 944 GetRequests, 917 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2020-08-22 16:55:13,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5432 states. [2020-08-22 16:55:13,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5432 to 4692. [2020-08-22 16:55:13,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4692 states. [2020-08-22 16:55:13,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4692 states to 4692 states and 5040 transitions. [2020-08-22 16:55:13,880 INFO L78 Accepts]: Start accepts. Automaton has 4692 states and 5040 transitions. Word has length 889 [2020-08-22 16:55:13,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:55:13,881 INFO L479 AbstractCegarLoop]: Abstraction has 4692 states and 5040 transitions. [2020-08-22 16:55:13,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 16:55:13,881 INFO L276 IsEmpty]: Start isEmpty. Operand 4692 states and 5040 transitions. [2020-08-22 16:55:13,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 989 [2020-08-22 16:55:13,895 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:55:13,896 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:55:14,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:55:14,109 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:55:14,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:55:14,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1498565139, now seen corresponding path program 1 times [2020-08-22 16:55:14,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:55:14,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994540732] [2020-08-22 16:55:14,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:55:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:14,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:55:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:14,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:55:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:14,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-08-22 16:55:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:14,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-08-22 16:55:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:14,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-08-22 16:55:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:14,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-08-22 16:55:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:14,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-08-22 16:55:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:14,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-08-22 16:55:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:14,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-08-22 16:55:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:15,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3002 backedges. 914 proven. 79 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2020-08-22 16:55:15,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994540732] [2020-08-22 16:55:15,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094998450] [2020-08-22 16:55:15,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:55:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:55:15,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 1397 conjuncts, 29 conjunts are in the unsatisfiable core [2020-08-22 16:55:15,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:55:15,555 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-08-22 16:55:15,566 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-08-22 16:55:15,586 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-08-22 16:55:15,836 INFO L603 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-08-22 16:55:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3002 backedges. 1635 proven. 14 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2020-08-22 16:55:16,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:55:16,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2020-08-22 16:55:16,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190427620] [2020-08-22 16:55:16,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 16:55:16,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:55:16,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 16:55:16,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2020-08-22 16:55:16,572 INFO L87 Difference]: Start difference. First operand 4692 states and 5040 transitions. Second operand 18 states. [2020-08-22 16:55:21,118 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-08-22 16:55:26,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:55:26,659 INFO L93 Difference]: Finished difference Result 12154 states and 13168 transitions. [2020-08-22 16:55:26,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-08-22 16:55:26,660 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 988 [2020-08-22 16:55:26,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:55:26,662 INFO L225 Difference]: With dead ends: 12154 [2020-08-22 16:55:26,662 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:55:26,680 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1097 GetRequests, 1035 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 1208 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=727, Invalid=3305, Unknown=0, NotChecked=0, Total=4032 [2020-08-22 16:55:26,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:55:26,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:55:26,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:55:26,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:55:26,682 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 988 [2020-08-22 16:55:26,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:55:26,682 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:55:26,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 16:55:26,682 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:55:26,683 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:55:26,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:55:26,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:55:27,360 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-08-22 16:55:27,840 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2020-08-22 16:55:28,235 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-08-22 16:55:28,743 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-08-22 16:55:29,144 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 265 [2020-08-22 16:55:31,596 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 430 DAG size of output: 61 [2020-08-22 16:55:33,013 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 275 DAG size of output: 46 [2020-08-22 16:55:34,435 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 275 DAG size of output: 46 [2020-08-22 16:55:34,439 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:55:34,439 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-08-22 16:55:34,439 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:55:34,439 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-08-22 16:55:34,439 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-08-22 16:55:34,439 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,440 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,440 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,440 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-08-22 16:55:34,440 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-22 16:55:34,440 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-22 16:55:34,440 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-22 16:55:34,440 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-08-22 16:55:34,440 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-08-22 16:55:34,440 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-08-22 16:55:34,440 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-08-22 16:55:34,441 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,441 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,441 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,441 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-08-22 16:55:34,441 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-08-22 16:55:34,441 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-22 16:55:34,441 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-22 16:55:34,442 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-22 16:55:34,442 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-08-22 16:55:34,442 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-08-22 16:55:34,442 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-08-22 16:55:34,442 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,442 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,442 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,442 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-08-22 16:55:34,442 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-22 16:55:34,442 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-22 16:55:34,443 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-22 16:55:34,443 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-08-22 16:55:34,443 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-08-22 16:55:34,443 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-08-22 16:55:34,443 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-08-22 16:55:34,443 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-08-22 16:55:34,443 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,443 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,443 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,444 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-08-22 16:55:34,444 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-22 16:55:34,444 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-22 16:55:34,444 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-22 16:55:34,444 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-08-22 16:55:34,444 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-08-22 16:55:34,444 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-08-22 16:55:34,444 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,444 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,445 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,445 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-08-22 16:55:34,445 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-22 16:55:34,445 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-22 16:55:34,445 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-22 16:55:34,445 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-08-22 16:55:34,445 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-08-22 16:55:34,445 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-08-22 16:55:34,445 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-08-22 16:55:34,446 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-08-22 16:55:34,446 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,446 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,446 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,446 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,446 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-08-22 16:55:34,446 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-22 16:55:34,446 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-22 16:55:34,446 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-22 16:55:34,446 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-08-22 16:55:34,446 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-08-22 16:55:34,447 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-08-22 16:55:34,447 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-08-22 16:55:34,447 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,447 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,447 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,447 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-22 16:55:34,447 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-22 16:55:34,447 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-22 16:55:34,447 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-08-22 16:55:34,447 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-08-22 16:55:34,447 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-08-22 16:55:34,448 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-08-22 16:55:34,448 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-08-22 16:55:34,448 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,448 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,448 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,448 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-08-22 16:55:34,448 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-08-22 16:55:34,448 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-22 16:55:34,448 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-22 16:55:34,448 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-22 16:55:34,448 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-08-22 16:55:34,448 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse0 (= ~a21~0 |old(~a21~0)|)) (.cse6 (= ~a24~0 1)) (.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a15~0 |old(~a15~0)|))) (let ((.cse3 (not (<= |old(~a15~0)| 8))) (.cse4 (= 6 |old(~a15~0)|)) (.cse8 (not (= 10 |old(~a21~0)|))) (.cse5 (not (= |old(~a24~0)| 1))) (.cse7 (and .cse0 .cse6 .cse1 .cse2))) (and (or (and (= ~a24~0 |old(~a24~0)|) .cse0 .cse1 .cse2) .cse3 (not (<= |old(~a21~0)| 7)) .cse4 (not (<= (+ |old(~a12~0)| 49) 0))) (or .cse5 (not (= 9 |old(~a21~0)|)) (and .cse6 (= ~a21~0 9) .cse1 .cse2)) (or .cse5 .cse7 (not (<= |old(~a21~0)| 8))) (or .cse8 (and (= ~a21~0 10) .cse6 .cse1 .cse2) .cse5 .cse3 .cse4) (or .cse8 .cse5 (not (<= 8 |old(~a15~0)|)) .cse7) (or .cse8 .cse5 .cse7 (not (<= |old(~a12~0)| 80)))))) [2020-08-22 16:55:34,449 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-08-22 16:55:34,449 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-08-22 16:55:34,449 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,449 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,449 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,449 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-22 16:55:34,449 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-22 16:55:34,449 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-22 16:55:34,449 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-08-22 16:55:34,449 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-08-22 16:55:34,449 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-08-22 16:55:34,449 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-08-22 16:55:34,449 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-08-22 16:55:34,449 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,449 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,450 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,450 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-08-22 16:55:34,450 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-08-22 16:55:34,450 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-22 16:55:34,450 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-22 16:55:34,450 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-22 16:55:34,450 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-08-22 16:55:34,450 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-08-22 16:55:34,450 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-08-22 16:55:34,450 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,450 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,450 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,450 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-08-22 16:55:34,450 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-22 16:55:34,450 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-22 16:55:34,450 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-22 16:55:34,451 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-08-22 16:55:34,451 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-08-22 16:55:34,451 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-08-22 16:55:34,451 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-08-22 16:55:34,451 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,451 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,451 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,451 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-08-22 16:55:34,451 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-22 16:55:34,451 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-22 16:55:34,451 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-22 16:55:34,451 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-08-22 16:55:34,451 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-08-22 16:55:34,452 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-08-22 16:55:34,452 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-08-22 16:55:34,452 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,452 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,452 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-08-22 16:55:34,452 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-22 16:55:34,452 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-22 16:55:34,452 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-08-22 16:55:34,452 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-08-22 16:55:34,453 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-08-22 16:55:34,453 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-08-22 16:55:34,453 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-08-22 16:55:34,453 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2020-08-22 16:55:34,453 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,453 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,453 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-08-22 16:55:34,453 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-22 16:55:34,453 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-22 16:55:34,453 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-08-22 16:55:34,453 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-08-22 16:55:34,453 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-08-22 16:55:34,454 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,454 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,454 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-08-22 16:55:34,454 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-08-22 16:55:34,454 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-22 16:55:34,454 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-22 16:55:34,454 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-08-22 16:55:34,454 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-08-22 16:55:34,454 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-08-22 16:55:34,454 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-08-22 16:55:34,454 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,454 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,454 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-08-22 16:55:34,454 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-08-22 16:55:34,455 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-22 16:55:34,455 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 16:55:34,455 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-08-22 16:55:34,455 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-08-22 16:55:34,455 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-08-22 16:55:34,455 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,455 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,455 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,455 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-08-22 16:55:34,455 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-08-22 16:55:34,455 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-22 16:55:34,455 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-22 16:55:34,455 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-08-22 16:55:34,455 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-08-22 16:55:34,455 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,456 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,456 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-22 16:55:34,456 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,456 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-08-22 16:55:34,456 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-08-22 16:55:34,456 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-08-22 16:55:34,456 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-22 16:55:34,456 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-22 16:55:34,456 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-22 16:55:34,456 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-08-22 16:55:34,456 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-08-22 16:55:34,456 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-08-22 16:55:34,456 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-08-22 16:55:34,456 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,456 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,456 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,457 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-08-22 16:55:34,457 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-22 16:55:34,457 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-22 16:55:34,457 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-22 16:55:34,457 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-08-22 16:55:34,457 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-08-22 16:55:34,457 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-08-22 16:55:34,457 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-08-22 16:55:34,457 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,457 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,457 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,457 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-08-22 16:55:34,457 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-08-22 16:55:34,457 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-22 16:55:34,457 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-22 16:55:34,457 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-22 16:55:34,458 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-08-22 16:55:34,458 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-08-22 16:55:34,458 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-08-22 16:55:34,458 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,458 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,458 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,458 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-08-22 16:55:34,458 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-22 16:55:34,458 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-22 16:55:34,458 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-22 16:55:34,458 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-08-22 16:55:34,458 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-08-22 16:55:34,458 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-08-22 16:55:34,458 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-08-22 16:55:34,459 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-08-22 16:55:34,459 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,459 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,459 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-08-22 16:55:34,459 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-08-22 16:55:34,459 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-22 16:55:34,459 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-22 16:55:34,459 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-22 16:55:34,460 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-08-22 16:55:34,460 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:55:34,460 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= (+ ~a12~0 49) 0) (= ~a15~0 8) (= ~a24~0 1) (= 7 ~a21~0)) [2020-08-22 16:55:34,460 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:55:34,460 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:55:34,460 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (and (= ~a15~0 8) (= ~a24~0 1) (= ~a12~0 |old(~a12~0)|) (= 7 ~a21~0)) (not (= |old(~a24~0)| 1)) (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (not (<= (+ |old(~a12~0)| 49) 0))) [2020-08-22 16:55:34,461 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-08-22 16:55:34,461 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (= ~a21~0 10)) (.cse2 (not (= ~a15~0 6))) (.cse3 (<= ~a15~0 8)) (.cse1 (= ~a24~0 1))) (or (and (<= 8 ~a15~0) .cse0 .cse1) (not (= 7 |old(~a21~0)|)) (not (= |old(~a24~0)| 1)) (and .cse1 (= ~a21~0 9)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= ~a12~0 80)) (not (= 8 |old(~a15~0)|)) (and (<= ~a21~0 7) (<= (+ ~a12~0 49) 0) .cse2 .cse3) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse1 (<= ~a21~0 8)))) [2020-08-22 16:55:34,461 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-08-22 16:55:34,461 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-08-22 16:55:34,461 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (= ~a21~0 10)) (.cse2 (not (= ~a15~0 6))) (.cse3 (<= ~a15~0 8)) (.cse1 (= ~a24~0 1))) (or (and (<= 8 ~a15~0) .cse0 .cse1) (not (= 7 |old(~a21~0)|)) (not (= |old(~a24~0)| 1)) (and .cse1 (= ~a21~0 9)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= ~a12~0 80)) (not (= 8 |old(~a15~0)|)) (and (<= ~a21~0 7) (<= (+ ~a12~0 49) 0) .cse2 .cse3) (not (<= (+ |old(~a12~0)| 49) 0)) (and .cse1 (<= ~a21~0 8)))) [2020-08-22 16:55:34,462 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-08-22 16:55:34,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:55:34 BoogieIcfgContainer [2020-08-22 16:55:34,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:55:34,487 INFO L168 Benchmark]: Toolchain (without parser) took 88799.12 ms. Allocated memory was 139.5 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 101.0 MB in the beginning and 91.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-08-22 16:55:34,488 INFO L168 Benchmark]: CDTParser took 2.23 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 16:55:34,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 878.83 ms. Allocated memory was 139.5 MB in the beginning and 206.0 MB in the end (delta: 66.6 MB). Free memory was 100.8 MB in the beginning and 169.0 MB in the end (delta: -68.2 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. [2020-08-22 16:55:34,489 INFO L168 Benchmark]: Boogie Preprocessor took 190.91 ms. Allocated memory is still 206.0 MB. Free memory was 169.0 MB in the beginning and 164.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-08-22 16:55:34,490 INFO L168 Benchmark]: RCFGBuilder took 1576.56 ms. Allocated memory was 206.0 MB in the beginning and 238.6 MB in the end (delta: 32.5 MB). Free memory was 163.3 MB in the beginning and 158.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:55:34,491 INFO L168 Benchmark]: TraceAbstraction took 86146.10 ms. Allocated memory was 238.6 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 158.8 MB in the beginning and 91.3 MB in the end (delta: 67.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-08-22 16:55:34,495 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.23 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 878.83 ms. Allocated memory was 139.5 MB in the beginning and 206.0 MB in the end (delta: 66.6 MB). Free memory was 100.8 MB in the beginning and 169.0 MB in the end (delta: -68.2 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 190.91 ms. Allocated memory is still 206.0 MB. Free memory was 169.0 MB in the beginning and 164.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1576.56 ms. Allocated memory was 206.0 MB in the beginning and 238.6 MB in the end (delta: 32.5 MB). Free memory was 163.3 MB in the beginning and 158.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 86146.10 ms. Allocated memory was 238.6 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 158.8 MB in the beginning and 91.3 MB in the end (delta: 67.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: 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: 880]: Loop Invariant Derived loop invariant: ((((((((((8 <= a15 && a21 == 10) && a24 == 1) || !(7 == \old(a21))) || !(\old(a24) == 1)) || (a24 == 1 && a21 == 9)) || (((a21 == 10 && a24 == 1) && !(a15 == 6)) && a15 <= 8)) || ((a21 == 10 && a24 == 1) && a12 <= 80)) || !(8 == \old(a15))) || (((a21 <= 7 && a12 + 49 <= 0) && !(a15 == 6)) && a15 <= 8)) || !(\old(a12) + 49 <= 0)) || (a24 == 1 && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 78.4s, OverallIterations: 13, TraceHistogramMax: 9, AutomataDifference: 58.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 459 SDtfs, 27111 SDslu, 1181 SDs, 0 SdLazy, 31526 SolverSat, 4632 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6606 GetRequests, 6208 SyntacticMatches, 10 SemanticMatches, 388 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 4419 ImplicationChecksByTransitivity, 12.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4874occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 5270 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 214 PreInvPairs, 308 NumberOfFragments, 406 HoareAnnotationTreeSize, 214 FomulaSimplifications, 1958202 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 702295 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 12215 NumberOfCodeBlocks, 12215 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 12192 ConstructedInterpolants, 1 QuantifiedInterpolants, 21008548 SizeOfPredicates, 10 NumberOfNonLiveVariables, 8881 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 23 InterpolantComputations, 4 PerfectInterpolantSequences, 26731/27448 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...