/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 --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 03:48:26,509 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 03:48:26,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 03:48:26,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 03:48:26,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 03:48:26,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 03:48:26,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 03:48:26,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 03:48:26,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 03:48:26,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 03:48:26,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 03:48:26,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 03:48:26,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 03:48:26,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 03:48:26,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 03:48:26,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 03:48:26,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 03:48:26,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 03:48:26,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 03:48:26,631 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 03:48:26,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 03:48:26,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 03:48:26,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 03:48:26,632 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 03:48:26,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 03:48:26,633 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 03:48:26,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 03:48:26,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 03:48:26,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 03:48:26,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 03:48:26,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 03:48:26,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 03:48:26,636 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 03:48:26,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 03:48:26,637 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 03:48:26,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 03:48:26,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 03:48:26,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 03:48:26,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 03:48:26,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 03:48:26,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 03:48:26,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 03:48:26,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 03:48:26,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 03:48:26,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 03:48:26,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 03:48:26,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 03:48:26,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 03:48:26,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 03:48:26,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 03:48:26,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 03:48:26,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 03:48:26,945 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 03:48:26,946 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 03:48:26,946 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-07-20 03:48:27,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22fa6fe95/e72e70d0deda47e98956c77d8119f395/FLAGa90c431ab [2020-07-20 03:48:27,496 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 03:48:27,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2020-07-20 03:48:27,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22fa6fe95/e72e70d0deda47e98956c77d8119f395/FLAGa90c431ab [2020-07-20 03:48:27,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22fa6fe95/e72e70d0deda47e98956c77d8119f395 [2020-07-20 03:48:27,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 03:48:27,813 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 03:48:27,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 03:48:27,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 03:48:27,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 03:48:27,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:48:27" (1/1) ... [2020-07-20 03:48:27,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@541fe02f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:27, skipping insertion in model container [2020-07-20 03:48:27,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:48:27" (1/1) ... [2020-07-20 03:48:27,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 03:48:27,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 03:48:28,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:48:28,345 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 03:48:28,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:48:28,628 INFO L208 MainTranslator]: Completed translation [2020-07-20 03:48:28,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:28 WrapperNode [2020-07-20 03:48:28,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 03:48:28,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 03:48:28,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 03:48:28,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 03:48:28,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:28" (1/1) ... [2020-07-20 03:48:28,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:28" (1/1) ... [2020-07-20 03:48:28,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:28" (1/1) ... [2020-07-20 03:48:28,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:28" (1/1) ... [2020-07-20 03:48:28,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:28" (1/1) ... [2020-07-20 03:48:28,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:28" (1/1) ... [2020-07-20 03:48:28,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:28" (1/1) ... [2020-07-20 03:48:28,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 03:48:28,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 03:48:28,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 03:48:28,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 03:48:28,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 03:48:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 03:48:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 03:48:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 03:48:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 03:48:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 03:48:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 03:48:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 03:48:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 03:48:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 03:48:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 03:48:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 03:48:30,052 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 03:48:30,053 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 03:48:30,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:48:30 BoogieIcfgContainer [2020-07-20 03:48:30,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 03:48:30,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 03:48:30,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 03:48:30,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 03:48:30,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:48:27" (1/3) ... [2020-07-20 03:48:30,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c43cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:48:30, skipping insertion in model container [2020-07-20 03:48:30,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:48:28" (2/3) ... [2020-07-20 03:48:30,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c43cfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:48:30, skipping insertion in model container [2020-07-20 03:48:30,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:48:30" (3/3) ... [2020-07-20 03:48:30,068 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-07-20 03:48:30,078 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 03:48:30,086 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 03:48:30,103 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 03:48:30,133 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 03:48:30,134 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 03:48:30,134 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 03:48:30,134 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 03:48:30,134 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 03:48:30,135 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 03:48:30,135 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 03:48:30,135 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 03:48:30,163 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-07-20 03:48:30,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-20 03:48:30,172 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:48:30,173 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] [2020-07-20 03:48:30,174 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:48:30,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:48:30,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1136502142, now seen corresponding path program 1 times [2020-07-20 03:48:30,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:48:30,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399263547] [2020-07-20 03:48:30,194 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6477c33b [2020-07-20 03:48:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:48:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:48:30,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:48:30,519 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399263547] [2020-07-20 03:48:30,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:48:30,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 03:48:30,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820246448] [2020-07-20 03:48:30,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 03:48:30,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:48:30,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 03:48:30,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 03:48:30,545 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-07-20 03:48:32,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:48:32,572 INFO L93 Difference]: Finished difference Result 730 states and 1300 transitions. [2020-07-20 03:48:32,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 03:48:32,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-07-20 03:48:32,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:48:32,602 INFO L225 Difference]: With dead ends: 730 [2020-07-20 03:48:32,602 INFO L226 Difference]: Without dead ends: 447 [2020-07-20 03:48:32,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 03:48:32,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-07-20 03:48:32,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-07-20 03:48:32,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-07-20 03:48:32,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 595 transitions. [2020-07-20 03:48:32,693 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 595 transitions. Word has length 41 [2020-07-20 03:48:32,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:48:32,694 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 595 transitions. [2020-07-20 03:48:32,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 03:48:32,694 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 595 transitions. [2020-07-20 03:48:32,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-20 03:48:32,701 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:48:32,701 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:48:32,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 03:48:32,702 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:48:32,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:48:32,702 INFO L82 PathProgramCache]: Analyzing trace with hash -430353343, now seen corresponding path program 1 times [2020-07-20 03:48:32,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:48:32,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947340394] [2020-07-20 03:48:32,703 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6477c33b [2020-07-20 03:48:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:48:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:48:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:48:33,137 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:48:33,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947340394] [2020-07-20 03:48:33,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311070629] [2020-07-20 03:48:33,139 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7a288c2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:48:33,248 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7a288c2 issued 4 check-sat command(s) [2020-07-20 03:48:33,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:48:33,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 03:48:33,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:48:33,343 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 03:48:33,345 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 03:48:35,559 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 25 [2020-07-20 03:48:38,574 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-20 03:48:38,756 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:48:38,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:48:38,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2020-07-20 03:48:38,758 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154279861] [2020-07-20 03:48:38,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 03:48:38,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:48:38,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 03:48:38,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-20 03:48:38,760 INFO L87 Difference]: Start difference. First operand 443 states and 595 transitions. Second operand 12 states. [2020-07-20 03:48:42,814 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2020-07-20 03:49:05,848 WARN L193 SmtUtils]: Spent 20.18 s on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-07-20 03:49:21,459 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 36 DAG size of output: 23 [2020-07-20 03:49:41,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:49:41,984 INFO L93 Difference]: Finished difference Result 1829 states and 2616 transitions. [2020-07-20 03:49:41,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 03:49:41,993 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 120 [2020-07-20 03:49:41,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:49:42,006 INFO L225 Difference]: With dead ends: 1829 [2020-07-20 03:49:42,006 INFO L226 Difference]: Without dead ends: 1365 [2020-07-20 03:49:42,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 118 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 30.3s TimeCoverageRelationStatistics Valid=139, Invalid=366, Unknown=1, NotChecked=0, Total=506 [2020-07-20 03:49:42,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2020-07-20 03:49:42,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1329. [2020-07-20 03:49:42,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1329 states. [2020-07-20 03:49:42,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1765 transitions. [2020-07-20 03:49:42,090 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1765 transitions. Word has length 120 [2020-07-20 03:49:42,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:49:42,091 INFO L479 AbstractCegarLoop]: Abstraction has 1329 states and 1765 transitions. [2020-07-20 03:49:42,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 03:49:42,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1765 transitions. [2020-07-20 03:49:42,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-07-20 03:49:42,099 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:49:42,099 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 03:49:42,300 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-20 03:49:42,301 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:49:42,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:49:42,303 INFO L82 PathProgramCache]: Analyzing trace with hash -425157170, now seen corresponding path program 1 times [2020-07-20 03:49:42,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:49:42,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53093741] [2020-07-20 03:49:42,304 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6477c33b [2020-07-20 03:49:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:42,565 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 03:49:42,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53093741] [2020-07-20 03:49:42,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041095583] [2020-07-20 03:49:42,566 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@22f1f7d2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:49:42,702 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@22f1f7d2 issued 4 check-sat command(s) [2020-07-20 03:49:42,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:49:42,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:49:42,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:49:42,825 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 136 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:49:42,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 03:49:42,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-20 03:49:42,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363242087] [2020-07-20 03:49:42,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 03:49:42,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:49:42,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 03:49:42,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 03:49:42,830 INFO L87 Difference]: Start difference. First operand 1329 states and 1765 transitions. Second operand 10 states. [2020-07-20 03:49:46,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:49:46,197 INFO L93 Difference]: Finished difference Result 3435 states and 4739 transitions. [2020-07-20 03:49:46,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 03:49:46,198 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2020-07-20 03:49:46,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:49:46,223 INFO L225 Difference]: With dead ends: 3435 [2020-07-20 03:49:46,224 INFO L226 Difference]: Without dead ends: 2112 [2020-07-20 03:49:46,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-07-20 03:49:46,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2112 states. [2020-07-20 03:49:46,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2112 to 2074. [2020-07-20 03:49:46,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2074 states. [2020-07-20 03:49:46,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2692 transitions. [2020-07-20 03:49:46,340 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2692 transitions. Word has length 193 [2020-07-20 03:49:46,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:49:46,342 INFO L479 AbstractCegarLoop]: Abstraction has 2074 states and 2692 transitions. [2020-07-20 03:49:46,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 03:49:46,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2692 transitions. [2020-07-20 03:49:46,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-07-20 03:49:46,350 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:49:46,350 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:49:46,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:49:46,554 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:49:46,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:49:46,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1437439845, now seen corresponding path program 1 times [2020-07-20 03:49:46,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:49:46,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531021909] [2020-07-20 03:49:46,556 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6477c33b [2020-07-20 03:49:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:46,806 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 68 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 03:49:46,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531021909] [2020-07-20 03:49:46,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521797141] [2020-07-20 03:49:46,807 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2ad18fd6 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:49:46,975 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2ad18fd6 issued 4 check-sat command(s) [2020-07-20 03:49:46,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:49:46,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:49:46,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:49:47,053 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-20 03:49:47,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:49:47,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-20 03:49:47,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803925667] [2020-07-20 03:49:47,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:49:47,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:49:47,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:49:47,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:49:47,056 INFO L87 Difference]: Start difference. First operand 2074 states and 2692 transitions. Second operand 3 states. [2020-07-20 03:49:48,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:49:48,165 INFO L93 Difference]: Finished difference Result 5155 states and 6805 transitions. [2020-07-20 03:49:48,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:49:48,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2020-07-20 03:49:48,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:49:48,186 INFO L225 Difference]: With dead ends: 5155 [2020-07-20 03:49:48,187 INFO L226 Difference]: Without dead ends: 2070 [2020-07-20 03:49:48,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:49:48,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2020-07-20 03:49:48,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 2070. [2020-07-20 03:49:48,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2070 states. [2020-07-20 03:49:48,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2658 transitions. [2020-07-20 03:49:48,277 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2658 transitions. Word has length 210 [2020-07-20 03:49:48,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:49:48,277 INFO L479 AbstractCegarLoop]: Abstraction has 2070 states and 2658 transitions. [2020-07-20 03:49:48,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:49:48,278 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2658 transitions. [2020-07-20 03:49:48,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-07-20 03:49:48,285 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:49:48,285 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:49:48,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:49:48,489 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:49:48,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:49:48,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1635854957, now seen corresponding path program 1 times [2020-07-20 03:49:48,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:49:48,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126358052] [2020-07-20 03:49:48,491 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6477c33b [2020-07-20 03:49:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:49:48,842 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 68 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 03:49:48,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126358052] [2020-07-20 03:49:48,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687687118] [2020-07-20 03:49:48,844 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4b856cc2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:49:49,060 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4b856cc2 issued 4 check-sat command(s) [2020-07-20 03:49:49,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 03:49:49,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 03:49:49,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 03:49:49,199 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-07-20 03:49:49,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 03:49:49,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-20 03:49:49,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256127817] [2020-07-20 03:49:49,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 03:49:49,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:49:49,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 03:49:49,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:49:49,210 INFO L87 Difference]: Start difference. First operand 2070 states and 2658 transitions. Second operand 3 states. [2020-07-20 03:49:50,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:49:50,694 INFO L93 Difference]: Finished difference Result 2795 states and 3699 transitions. [2020-07-20 03:49:50,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 03:49:50,697 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2020-07-20 03:49:50,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:49:50,698 INFO L225 Difference]: With dead ends: 2795 [2020-07-20 03:49:50,698 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 03:49:50,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 03:49:50,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 03:49:50,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 03:49:50,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 03:49:50,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 03:49:50,710 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2020-07-20 03:49:50,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:49:50,711 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 03:49:50,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 03:49:50,718 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 03:49:50,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 03:49:50,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 03:49:50,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 03:49:51,603 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 35 [2020-07-20 03:49:51,790 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:49:51,790 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a10~0 |old(~a10~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a19~0 |old(~a19~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|)) [2020-07-20 03:49:51,790 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:49:51,790 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-07-20 03:49:51,791 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,791 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,791 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,791 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,791 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,791 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,791 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-07-20 03:49:51,791 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-07-20 03:49:51,792 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 03:49:51,792 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-20 03:49:51,792 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-20 03:49:51,792 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-07-20 03:49:51,792 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-07-20 03:49:51,792 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-07-20 03:49:51,792 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-07-20 03:49:51,792 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-07-20 03:49:51,793 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-07-20 03:49:51,793 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,793 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,793 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,793 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,793 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,793 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-07-20 03:49:51,793 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-07-20 03:49:51,794 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-07-20 03:49:51,794 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-07-20 03:49:51,794 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-07-20 03:49:51,794 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-20 03:49:51,794 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-07-20 03:49:51,794 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-07-20 03:49:51,795 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-07-20 03:49:51,795 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-07-20 03:49:51,795 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-07-20 03:49:51,795 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-07-20 03:49:51,795 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-07-20 03:49:51,795 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2020-07-20 03:49:51,795 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-07-20 03:49:51,795 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,796 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,796 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,796 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,796 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,796 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-07-20 03:49:51,796 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 03:49:51,796 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-07-20 03:49:51,797 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-07-20 03:49:51,797 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-07-20 03:49:51,797 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-07-20 03:49:51,797 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-07-20 03:49:51,797 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-07-20 03:49:51,797 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-07-20 03:49:51,797 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-07-20 03:49:51,798 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,798 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,798 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,798 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,798 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,798 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-07-20 03:49:51,798 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-07-20 03:49:51,799 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-07-20 03:49:51,799 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-07-20 03:49:51,799 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-07-20 03:49:51,799 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-07-20 03:49:51,799 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-07-20 03:49:51,799 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-07-20 03:49:51,799 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-07-20 03:49:51,799 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-07-20 03:49:51,799 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-07-20 03:49:51,800 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-07-20 03:49:51,800 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-07-20 03:49:51,800 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,800 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,800 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,800 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,800 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,800 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 03:49:51,801 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-07-20 03:49:51,801 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-07-20 03:49:51,801 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 03:49:51,801 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-07-20 03:49:51,801 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-07-20 03:49:51,801 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-07-20 03:49:51,801 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-07-20 03:49:51,801 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-07-20 03:49:51,802 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,802 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,802 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,802 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,802 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,802 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,802 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,802 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-07-20 03:49:51,803 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-07-20 03:49:51,803 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-07-20 03:49:51,803 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-07-20 03:49:51,803 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 03:49:51,803 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-07-20 03:49:51,803 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 03:49:51,804 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 03:49:51,804 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-07-20 03:49:51,804 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-07-20 03:49:51,804 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-07-20 03:49:51,804 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-07-20 03:49:51,804 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-07-20 03:49:51,804 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,804 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,805 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,805 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,805 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-07-20 03:49:51,805 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,805 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,805 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-07-20 03:49:51,806 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-07-20 03:49:51,806 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-07-20 03:49:51,806 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 03:49:51,806 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 03:49:51,806 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-20 03:49:51,806 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 03:49:51,806 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-07-20 03:49:51,807 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-07-20 03:49:51,807 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-07-20 03:49:51,807 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-07-20 03:49:51,807 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-07-20 03:49:51,807 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-07-20 03:49:51,807 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,807 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,807 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,807 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,808 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,808 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,808 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-07-20 03:49:51,808 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-07-20 03:49:51,808 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-07-20 03:49:51,808 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 03:49:51,808 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-20 03:49:51,808 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-20 03:49:51,809 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 03:49:51,809 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-07-20 03:49:51,809 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-07-20 03:49:51,809 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-07-20 03:49:51,809 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-07-20 03:49:51,809 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|)))) (and (or (not (<= |old(~a19~0)| 7)) .cse0) (or (not (<= 9 |old(~a19~0)|)) .cse0) (or (not (<= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 14 ~a4~0)) .cse0) (or .cse0 (= 1 |old(~a10~0)|)))) [2020-07-20 03:49:51,809 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-07-20 03:49:51,810 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-07-20 03:49:51,810 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-07-20 03:49:51,810 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,810 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,810 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,810 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,810 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,810 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,811 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-07-20 03:49:51,811 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 03:49:51,811 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-20 03:49:51,811 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 03:49:51,811 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-07-20 03:49:51,811 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-07-20 03:49:51,811 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-07-20 03:49:51,812 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-07-20 03:49:51,812 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-07-20 03:49:51,812 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-07-20 03:49:51,812 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-07-20 03:49:51,812 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-07-20 03:49:51,812 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-07-20 03:49:51,812 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,813 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,813 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,813 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,813 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,813 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,813 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-07-20 03:49:51,813 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-07-20 03:49:51,814 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-07-20 03:49:51,814 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-07-20 03:49:51,814 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-20 03:49:51,814 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-20 03:49:51,814 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-07-20 03:49:51,814 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-07-20 03:49:51,814 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-07-20 03:49:51,814 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-07-20 03:49:51,815 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-07-20 03:49:51,815 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-07-20 03:49:51,815 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,815 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,815 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,815 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,815 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,815 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-07-20 03:49:51,816 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-07-20 03:49:51,816 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-07-20 03:49:51,816 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-07-20 03:49:51,816 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 03:49:51,816 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-20 03:49:51,816 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-20 03:49:51,816 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-20 03:49:51,817 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-20 03:49:51,817 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-07-20 03:49:51,817 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-07-20 03:49:51,817 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-07-20 03:49:51,817 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-07-20 03:49:51,817 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:49:51,817 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= 14 ~a4~0) (<= 9 ~a19~0) (= 0 ~a12~0) (<= 23 ~a1~0)) [2020-07-20 03:49:51,818 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 03:49:51,818 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:49:51,818 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (= 0 ~a12~0)) (not (<= 9 |old(~a19~0)|)) (not (= 14 ~a4~0)) (and (= ~a10~0 |old(~a10~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a1~0 |old(~a1~0)|))) [2020-07-20 03:49:51,818 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-07-20 03:49:51,818 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (<= 9 ~a19~0) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (= 0 ~a12~0)) (not (= 1 ~a10~0)) (not (= 14 ~a4~0)) (<= 23 ~a1~0) (<= ~a19~0 7)) [2020-07-20 03:49:51,818 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-20 03:49:51,818 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 03:49:51,819 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (<= 9 ~a19~0) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (= 0 ~a12~0)) (not (= 1 ~a10~0)) (not (= 14 ~a4~0)) (<= 23 ~a1~0) (<= ~a19~0 7)) [2020-07-20 03:49:51,819 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-07-20 03:49:51,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 03:49:51 BoogieIcfgContainer [2020-07-20 03:49:51,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 03:49:51,855 INFO L168 Benchmark]: Toolchain (without parser) took 84042.17 ms. Allocated memory was 137.4 MB in the beginning and 435.2 MB in the end (delta: 297.8 MB). Free memory was 100.2 MB in the beginning and 237.3 MB in the end (delta: -137.1 MB). Peak memory consumption was 160.7 MB. Max. memory is 7.1 GB. [2020-07-20 03:49:51,856 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 03:49:51,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.27 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 99.8 MB in the beginning and 168.9 MB in the end (delta: -69.1 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2020-07-20 03:49:51,860 INFO L168 Benchmark]: Boogie Preprocessor took 129.29 ms. Allocated memory is still 204.5 MB. Free memory was 168.9 MB in the beginning and 164.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-20 03:49:51,861 INFO L168 Benchmark]: RCFGBuilder took 1299.52 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 164.5 MB in the beginning and 179.9 MB in the end (delta: -15.4 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2020-07-20 03:49:51,862 INFO L168 Benchmark]: TraceAbstraction took 81791.61 ms. Allocated memory was 235.9 MB in the beginning and 435.2 MB in the end (delta: 199.2 MB). Free memory was 179.9 MB in the beginning and 237.3 MB in the end (delta: -57.4 MB). Peak memory consumption was 141.8 MB. Max. memory is 7.1 GB. [2020-07-20 03:49:51,868 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 815.27 ms. Allocated memory was 137.4 MB in the beginning and 204.5 MB in the end (delta: 67.1 MB). Free memory was 99.8 MB in the beginning and 168.9 MB in the end (delta: -69.1 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.29 ms. Allocated memory is still 204.5 MB. Free memory was 168.9 MB in the beginning and 164.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1299.52 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 164.5 MB in the beginning and 179.9 MB in the end (delta: -15.4 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 81791.61 ms. Allocated memory was 235.9 MB in the beginning and 435.2 MB in the end (delta: 199.2 MB). Free memory was 179.9 MB in the beginning and 237.3 MB in the end (delta: -57.4 MB). Peak memory consumption was 141.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((9 <= a19 || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || !(0 == a12)) || !(1 == a10)) || !(14 == a4)) || 23 <= a1) || a19 <= 7 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 80.7s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 71.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 335 SDtfs, 2739 SDslu, 193 SDs, 0 SdLazy, 5149 SolverSat, 1189 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 41.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 840 GetRequests, 782 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 30.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2074occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 78 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 61 PreInvPairs, 117 NumberOfFragments, 215 HoareAnnotationTreeSize, 61 FomulaSimplifications, 5212 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1935 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 1579 NumberOfCodeBlocks, 1579 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1570 ConstructedInterpolants, 37 QuantifiedInterpolants, 701559 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1424 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 733/934 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...